diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 2434 |
1 files changed, 0 insertions, 2434 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h deleted file mode 100644 index 15db41394b9e..000000000000 --- a/drivers/gpu/drm/i915/intel_drv.h +++ /dev/null @@ -1,2434 +0,0 @@ -/* - * Copyright (c) 2006 Dave Airlie <[email protected]> - * Copyright (c) 2007-2008 Intel Corporation - * Jesse Barnes <[email protected]> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ -#ifndef __INTEL_DRV_H__ -#define __INTEL_DRV_H__ - -#include <linux/async.h> -#include <linux/i2c.h> -#include <linux/hdmi.h> -#include <linux/sched/clock.h> -#include <linux/stackdepot.h> -#include <drm/i915_drm.h> -#include "i915_drv.h" -#include <drm/drm_crtc.h> -#include <drm/drm_encoder.h> -#include <drm/drm_fb_helper.h> -#include <drm/drm_dp_dual_mode_helper.h> -#include <drm/drm_dp_mst_helper.h> -#include <drm/drm_probe_helper.h> -#include <drm/drm_rect.h> -#include <drm/drm_vblank.h> -#include <drm/drm_atomic.h> -#include <media/cec-notifier.h> - -struct drm_printer; - -/** - * __wait_for - magic wait macro - * - * Macro to help avoid open coding check/wait/timeout patterns. Note that it's - * important that we check the condition again after having timed out, since the - * timeout could be due to preemption or similar and we've never had a chance to - * check the condition before the timeout. - */ -#define __wait_for(OP, COND, US, Wmin, Wmax) ({ \ - const ktime_t end__ = ktime_add_ns(ktime_get_raw(), 1000ll * (US)); \ - long wait__ = (Wmin); /* recommended min for usleep is 10 us */ \ - int ret__; \ - might_sleep(); \ - for (;;) { \ - const bool expired__ = ktime_after(ktime_get_raw(), end__); \ - OP; \ - /* Guarantee COND check prior to timeout */ \ - barrier(); \ - if (COND) { \ - ret__ = 0; \ - break; \ - } \ - if (expired__) { \ - ret__ = -ETIMEDOUT; \ - break; \ - } \ - usleep_range(wait__, wait__ * 2); \ - if (wait__ < (Wmax)) \ - wait__ <<= 1; \ - } \ - ret__; \ -}) - -#define _wait_for(COND, US, Wmin, Wmax) __wait_for(, (COND), (US), (Wmin), \ - (Wmax)) -#define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 10, 1000) - -/* If CONFIG_PREEMPT_COUNT is disabled, in_atomic() always reports false. */ -#if defined(CONFIG_DRM_I915_DEBUG) && defined(CONFIG_PREEMPT_COUNT) -# define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) WARN_ON_ONCE((ATOMIC) && !in_atomic()) -#else -# define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) do { } while (0) -#endif - -#define _wait_for_atomic(COND, US, ATOMIC) \ -({ \ - int cpu, ret, timeout = (US) * 1000; \ - u64 base; \ - _WAIT_FOR_ATOMIC_CHECK(ATOMIC); \ - if (!(ATOMIC)) { \ - preempt_disable(); \ - cpu = smp_processor_id(); \ - } \ - base = local_clock(); \ - for (;;) { \ - u64 now = local_clock(); \ - if (!(ATOMIC)) \ - preempt_enable(); \ - /* Guarantee COND check prior to timeout */ \ - barrier(); \ - if (COND) { \ - ret = 0; \ - break; \ - } \ - if (now - base >= timeout) { \ - ret = -ETIMEDOUT; \ - break; \ - } \ - cpu_relax(); \ - if (!(ATOMIC)) { \ - preempt_disable(); \ - if (unlikely(cpu != smp_processor_id())) { \ - timeout -= now - base; \ - cpu = smp_processor_id(); \ - base = local_clock(); \ - } \ - } \ - } \ - ret; \ -}) - -#define wait_for_us(COND, US) \ -({ \ - int ret__; \ - BUILD_BUG_ON(!__builtin_constant_p(US)); \ - if ((US) > 10) \ - ret__ = _wait_for((COND), (US), 10, 10); \ - else \ - ret__ = _wait_for_atomic((COND), (US), 0); \ - ret__; \ -}) - -#define wait_for_atomic_us(COND, US) \ -({ \ - BUILD_BUG_ON(!__builtin_constant_p(US)); \ - BUILD_BUG_ON((US) > 50000); \ - _wait_for_atomic((COND), (US), 1); \ -}) - -#define wait_for_atomic(COND, MS) wait_for_atomic_us((COND), (MS) * 1000) - -#define KHz(x) (1000 * (x)) -#define MHz(x) KHz(1000 * (x)) - -#define KBps(x) (1000 * (x)) -#define MBps(x) KBps(1000 * (x)) -#define GBps(x) ((u64)1000 * MBps((x))) - -/* - * Display related stuff - */ - -/* store information about an Ixxx DVO */ -/* The i830->i865 use multiple DVOs with multiple i2cs */ -/* the i915, i945 have a single sDVO i2c bus - which is different */ -#define MAX_OUTPUTS 6 -/* maximum connectors per crtcs in the mode set */ - -#define INTEL_I2C_BUS_DVO 1 -#define INTEL_I2C_BUS_SDVO 2 - -/* these are outputs from the chip - integrated only - external chips are via DVO or SDVO output */ -enum intel_output_type { - INTEL_OUTPUT_UNUSED = 0, - INTEL_OUTPUT_ANALOG = 1, - INTEL_OUTPUT_DVO = 2, - INTEL_OUTPUT_SDVO = 3, - INTEL_OUTPUT_LVDS = 4, - INTEL_OUTPUT_TVOUT = 5, - INTEL_OUTPUT_HDMI = 6, - INTEL_OUTPUT_DP = 7, - INTEL_OUTPUT_EDP = 8, - INTEL_OUTPUT_DSI = 9, - INTEL_OUTPUT_DDI = 10, - INTEL_OUTPUT_DP_MST = 11, -}; - -#define INTEL_DVO_CHIP_NONE 0 -#define INTEL_DVO_CHIP_LVDS 1 -#define INTEL_DVO_CHIP_TMDS 2 -#define INTEL_DVO_CHIP_TVOUT 4 - -#define INTEL_DSI_VIDEO_MODE 0 -#define INTEL_DSI_COMMAND_MODE 1 - -struct intel_framebuffer { - struct drm_framebuffer base; - struct intel_rotation_info rot_info; - - /* for each plane in the normal GTT view */ - struct { - unsigned int x, y; - } normal[2]; - /* for each plane in the rotated GTT view */ - struct { - unsigned int x, y; - unsigned int pitch; /* pixels */ - } rotated[2]; -}; - -struct intel_fbdev { - struct drm_fb_helper helper; - struct intel_framebuffer *fb; - struct i915_vma *vma; - unsigned long vma_flags; - async_cookie_t cookie; - int preferred_bpp; - - /* Whether or not fbdev hpd processing is temporarily suspended */ - bool hpd_suspended : 1; - /* Set when a hotplug was received while HPD processing was - * suspended - */ - bool hpd_waiting : 1; - - /* Protects hpd_suspended */ - struct mutex hpd_lock; -}; - -struct intel_encoder { - struct drm_encoder base; - - enum intel_output_type type; - enum port port; - unsigned int cloneable; - bool (*hotplug)(struct intel_encoder *encoder, - struct intel_connector *connector); - enum intel_output_type (*compute_output_type)(struct intel_encoder *, - struct intel_crtc_state *, - struct drm_connector_state *); - int (*compute_config)(struct intel_encoder *, - struct intel_crtc_state *, - struct drm_connector_state *); - void (*pre_pll_enable)(struct intel_encoder *, - const struct intel_crtc_state *, - const struct drm_connector_state *); - void (*pre_enable)(struct intel_encoder *, - const struct intel_crtc_state *, - const struct drm_connector_state *); - void (*enable)(struct intel_encoder *, - const struct intel_crtc_state *, - const struct drm_connector_state *); - void (*disable)(struct intel_encoder *, - const struct intel_crtc_state *, - const struct drm_connector_state *); - void (*post_disable)(struct intel_encoder *, - const struct intel_crtc_state *, - const struct drm_connector_state *); - void (*post_pll_disable)(struct intel_encoder *, - const struct intel_crtc_state *, - const struct drm_connector_state *); - void (*update_pipe)(struct intel_encoder *, - const struct intel_crtc_state *, - const struct drm_connector_state *); - /* Read out the current hw state of this connector, returning true if - * the encoder is active. If the encoder is enabled it also set the pipe - * it is connected to in the pipe parameter. */ - bool (*get_hw_state)(struct intel_encoder *, enum pipe *pipe); - /* Reconstructs the equivalent mode flags for the current hardware - * state. This must be called _after_ display->get_pipe_config has - * pre-filled the pipe config. Note that intel_encoder->base.crtc must - * be set correctly before calling this function. */ - void (*get_config)(struct intel_encoder *, - struct intel_crtc_state *pipe_config); - /* Returns a mask of power domains that need to be referenced as part - * of the hardware state readout code. */ - u64 (*get_power_domains)(struct intel_encoder *encoder, - struct intel_crtc_state *crtc_state); - /* - * Called during system suspend after all pending requests for the - * encoder are flushed (for example for DP AUX transactions) and - * device interrupts are disabled. - */ - void (*suspend)(struct intel_encoder *); - int crtc_mask; - enum hpd_pin hpd_pin; - enum intel_display_power_domain power_domain; - /* for communication with audio component; protected by av_mutex */ - const struct drm_connector *audio_connector; -}; - -struct intel_panel { - struct drm_display_mode *fixed_mode; - struct drm_display_mode *downclock_mode; - - /* backlight */ - struct { - bool present; - u32 level; - u32 min; - u32 max; - bool enabled; - bool combination_mode; /* gen 2/4 only */ - bool active_low_pwm; - bool alternate_pwm_increment; /* lpt+ */ - - /* PWM chip */ - bool util_pin_active_low; /* bxt+ */ - u8 controller; /* bxt+ only */ - struct pwm_device *pwm; - - struct backlight_device *device; - - /* Connector and platform specific backlight functions */ - int (*setup)(struct intel_connector *connector, enum pipe pipe); - u32 (*get)(struct intel_connector *connector); - void (*set)(const struct drm_connector_state *conn_state, u32 level); - void (*disable)(const struct drm_connector_state *conn_state); - void (*enable)(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); - u32 (*hz_to_pwm)(struct intel_connector *connector, u32 hz); - void (*power)(struct intel_connector *, bool enable); - } backlight; -}; - -struct intel_digital_port; - -/* - * This structure serves as a translation layer between the generic HDCP code - * and the bus-specific code. What that means is that HDCP over HDMI differs - * from HDCP over DP, so to account for these differences, we need to - * communicate with the receiver through this shim. - * - * For completeness, the 2 buses differ in the following ways: - * - DP AUX vs. DDC - * HDCP registers on the receiver are set via DP AUX for DP, and - * they are set via DDC for HDMI. - * - Receiver register offsets - * The offsets of the registers are different for DP vs. HDMI - * - Receiver register masks/offsets - * For instance, the ready bit for the KSV fifo is in a different - * place on DP vs HDMI - * - Receiver register names - * Seriously. In the DP spec, the 16-bit register containing - * downstream information is called BINFO, on HDMI it's called - * BSTATUS. To confuse matters further, DP has a BSTATUS register - * with a completely different definition. - * - KSV FIFO - * On HDMI, the ksv fifo is read all at once, whereas on DP it must - * be read 3 keys at a time - * - Aksv output - * Since Aksv is hidden in hardware, there's different procedures - * to send it over DP AUX vs DDC - */ -struct intel_hdcp_shim { - /* Outputs the transmitter's An and Aksv values to the receiver. */ - int (*write_an_aksv)(struct intel_digital_port *intel_dig_port, u8 *an); - - /* Reads the receiver's key selection vector */ - int (*read_bksv)(struct intel_digital_port *intel_dig_port, u8 *bksv); - - /* - * Reads BINFO from DP receivers and BSTATUS from HDMI receivers. The - * definitions are the same in the respective specs, but the names are - * different. Call it BSTATUS since that's the name the HDMI spec - * uses and it was there first. - */ - int (*read_bstatus)(struct intel_digital_port *intel_dig_port, - u8 *bstatus); - - /* Determines whether a repeater is present downstream */ - int (*repeater_present)(struct intel_digital_port *intel_dig_port, - bool *repeater_present); - - /* Reads the receiver's Ri' value */ - int (*read_ri_prime)(struct intel_digital_port *intel_dig_port, u8 *ri); - - /* Determines if the receiver's KSV FIFO is ready for consumption */ - int (*read_ksv_ready)(struct intel_digital_port *intel_dig_port, - bool *ksv_ready); - - /* Reads the ksv fifo for num_downstream devices */ - int (*read_ksv_fifo)(struct intel_digital_port *intel_dig_port, - int num_downstream, u8 *ksv_fifo); - - /* Reads a 32-bit part of V' from the receiver */ - int (*read_v_prime_part)(struct intel_digital_port *intel_dig_port, - int i, u32 *part); - - /* Enables HDCP signalling on the port */ - int (*toggle_signalling)(struct intel_digital_port *intel_dig_port, - bool enable); - - /* Ensures the link is still protected */ - bool (*check_link)(struct intel_digital_port *intel_dig_port); - - /* Detects panel's hdcp capability. This is optional for HDMI. */ - int (*hdcp_capable)(struct intel_digital_port *intel_dig_port, - bool *hdcp_capable); -}; - -struct intel_hdcp { - const struct intel_hdcp_shim *shim; - /* Mutex for hdcp state of the connector */ - struct mutex mutex; - u64 value; - struct delayed_work check_work; - struct work_struct prop_work; -}; - -struct intel_connector { - struct drm_connector base; - /* - * The fixed encoder this connector is connected to. - */ - struct intel_encoder *encoder; - - /* ACPI device id for ACPI and driver cooperation */ - u32 acpi_device_id; - - /* Reads out the current hw, returning true if the connector is enabled - * and active (i.e. dpms ON state). */ - bool (*get_hw_state)(struct intel_connector *); - - /* Panel info for eDP and LVDS */ - struct intel_panel panel; - - /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */ - struct edid *edid; - struct edid *detect_edid; - - /* since POLL and HPD connectors may use the same HPD line keep the native - state of connector->polled in case hotplug storm detection changes it */ - u8 polled; - - void *port; /* store this opaque as its illegal to dereference it */ - - struct intel_dp *mst_port; - - /* Work struct to schedule a uevent on link train failure */ - struct work_struct modeset_retry_work; - - struct intel_hdcp hdcp; -}; - -struct intel_digital_connector_state { - struct drm_connector_state base; - - enum hdmi_force_audio force_audio; - int broadcast_rgb; -}; - -#define to_intel_digital_connector_state(x) container_of(x, struct intel_digital_connector_state, base) - -struct dpll { - /* given values */ - int n; - int m1, m2; - int p1, p2; - /* derived values */ - int dot; - int vco; - int m; - int p; -}; - -struct intel_atomic_state { - struct drm_atomic_state base; - - struct { - /* - * Logical state of cdclk (used for all scaling, watermark, - * etc. calculations and checks). This is computed as if all - * enabled crtcs were active. - */ - struct intel_cdclk_state logical; - - /* - * Actual state of cdclk, can be different from the logical - * state only when all crtc's are DPMS off. - */ - struct intel_cdclk_state actual; - } cdclk; - - bool dpll_set, modeset; - - /* - * Does this transaction change the pipes that are active? This mask - * tracks which CRTC's have changed their active state at the end of - * the transaction (not counting the temporary disable during modesets). - * This mask should only be non-zero when intel_state->modeset is true, - * but the converse is not necessarily true; simply changing a mode may - * not flip the final active status of any CRTC's - */ - unsigned int active_pipe_changes; - - unsigned int active_crtcs; - /* minimum acceptable cdclk for each pipe */ - int min_cdclk[I915_MAX_PIPES]; - /* minimum acceptable voltage level for each pipe */ - u8 min_voltage_level[I915_MAX_PIPES]; - - struct intel_shared_dpll_state shared_dpll[I915_NUM_PLLS]; - - /* - * Current watermarks can't be trusted during hardware readout, so - * don't bother calculating intermediate watermarks. - */ - bool skip_intermediate_wm; - - bool rps_interactive; - - /* Gen9+ only */ - struct skl_ddb_values wm_results; - - struct i915_sw_fence commit_ready; - - struct llist_node freed; -}; - -struct intel_plane_state { - struct drm_plane_state base; - struct i915_ggtt_view view; - struct i915_vma *vma; - unsigned long flags; -#define PLANE_HAS_FENCE BIT(0) - - struct { - u32 offset; - /* - * Plane stride in: - * bytes for 0/180 degree rotation - * pixels for 90/270 degree rotation - */ - u32 stride; - int x, y; - } color_plane[2]; - - /* plane control register */ - u32 ctl; - - /* plane color control register */ - u32 color_ctl; - - /* - * scaler_id - * = -1 : not using a scaler - * >= 0 : using a scalers - * - * plane requiring a scaler: - * - During check_plane, its bit is set in - * crtc_state->scaler_state.scaler_users by calling helper function - * update_scaler_plane. - * - scaler_id indicates the scaler it got assigned. - * - * plane doesn't require a scaler: - * - this can happen when scaling is no more required or plane simply - * got disabled. - * - During check_plane, corresponding bit is reset in - * crtc_state->scaler_state.scaler_users by calling helper function - * update_scaler_plane. - */ - int scaler_id; - - /* - * linked_plane: - * - * ICL planar formats require 2 planes that are updated as pairs. - * This member is used to make sure the other plane is also updated - * when required, and for update_slave() to find the correct - * plane_state to pass as argument. - */ - struct intel_plane *linked_plane; - - /* - * slave: - * If set don't update use the linked plane's state for updating - * this plane during atomic commit with the update_slave() callback. - * - * It's also used by the watermark code to ignore wm calculations on - * this plane. They're calculated by the linked plane's wm code. - */ - u32 slave; - - struct drm_intel_sprite_colorkey ckey; -}; - -struct intel_initial_plane_config { - struct intel_framebuffer *fb; - unsigned int tiling; - int size; - u32 base; - u8 rotation; -}; - -#define SKL_MIN_SRC_W 8 -#define SKL_MAX_SRC_W 4096 -#define SKL_MIN_SRC_H 8 -#define SKL_MAX_SRC_H 4096 -#define SKL_MIN_DST_W 8 -#define SKL_MAX_DST_W 4096 -#define SKL_MIN_DST_H 8 -#define SKL_MAX_DST_H 4096 -#define ICL_MAX_SRC_W 5120 -#define ICL_MAX_SRC_H 4096 -#define ICL_MAX_DST_W 5120 -#define ICL_MAX_DST_H 4096 -#define SKL_MIN_YUV_420_SRC_W 16 -#define SKL_MIN_YUV_420_SRC_H 16 - -struct intel_scaler { - int in_use; - u32 mode; -}; - -struct intel_crtc_scaler_state { -#define SKL_NUM_SCALERS 2 - struct intel_scaler scalers[SKL_NUM_SCALERS]; - - /* - * scaler_users: keeps track of users requesting scalers on this crtc. - * - * If a bit is set, a user is using a scaler. - * Here user can be a plane or crtc as defined below: - * bits 0-30 - plane (bit position is index from drm_plane_index) - * bit 31 - crtc - * - * Instead of creating a new index to cover planes and crtc, using - * existing drm_plane_index for planes which is well less than 31 - * planes and bit 31 for crtc. This should be fine to cover all - * our platforms. - * - * intel_atomic_setup_scalers will setup available scalers to users - * requesting scalers. It will gracefully fail if request exceeds - * avilability. - */ -#define SKL_CRTC_INDEX 31 - unsigned scaler_users; - - /* scaler used by crtc for panel fitting purpose */ - int scaler_id; -}; - -/* drm_mode->private_flags */ -#define I915_MODE_FLAG_INHERITED (1<<0) -/* Flag to get scanline using frame time stamps */ -#define I915_MODE_FLAG_GET_SCANLINE_FROM_TIMESTAMP (1<<1) -/* Flag to use the scanline counter instead of the pixel counter */ -#define I915_MODE_FLAG_USE_SCANLINE_COUNTER (1<<2) - -struct intel_pipe_wm { - struct intel_wm_level wm[5]; - u32 linetime; - bool fbc_wm_enabled; - bool pipe_enabled; - bool sprites_enabled; - bool sprites_scaled; -}; - -struct skl_plane_wm { - struct skl_wm_level wm[8]; - struct skl_wm_level uv_wm[8]; - struct skl_wm_level trans_wm; - bool is_planar; -}; - -struct skl_pipe_wm { - struct skl_plane_wm planes[I915_MAX_PLANES]; - u32 linetime; -}; - -enum vlv_wm_level { - VLV_WM_LEVEL_PM2, - VLV_WM_LEVEL_PM5, - VLV_WM_LEVEL_DDR_DVFS, - NUM_VLV_WM_LEVELS, -}; - -struct vlv_wm_state { - struct g4x_pipe_wm wm[NUM_VLV_WM_LEVELS]; - struct g4x_sr_wm sr[NUM_VLV_WM_LEVELS]; - u8 num_levels; - bool cxsr; -}; - -struct vlv_fifo_state { - u16 plane[I915_MAX_PLANES]; -}; - -enum g4x_wm_level { - G4X_WM_LEVEL_NORMAL, - G4X_WM_LEVEL_SR, - G4X_WM_LEVEL_HPLL, - NUM_G4X_WM_LEVELS, -}; - -struct g4x_wm_state { - struct g4x_pipe_wm wm; - struct g4x_sr_wm sr; - struct g4x_sr_wm hpll; - bool cxsr; - bool hpll_en; - bool fbc_en; -}; - -struct intel_crtc_wm_state { - union { - struct { - /* - * Intermediate watermarks; these can be - * programmed immediately since they satisfy - * both the current configuration we're - * switching away from and the new - * configuration we're switching to. - */ - struct intel_pipe_wm intermediate; - - /* - * Optimal watermarks, programmed post-vblank - * when this state is committed. - */ - struct intel_pipe_wm optimal; - } ilk; - - struct { - /* gen9+ only needs 1-step wm programming */ - struct skl_pipe_wm optimal; - struct skl_ddb_entry ddb; - struct skl_ddb_entry plane_ddb_y[I915_MAX_PLANES]; - struct skl_ddb_entry plane_ddb_uv[I915_MAX_PLANES]; - } skl; - - struct { - /* "raw" watermarks (not inverted) */ - struct g4x_pipe_wm raw[NUM_VLV_WM_LEVELS]; - /* intermediate watermarks (inverted) */ - struct vlv_wm_state intermediate; - /* optimal watermarks (inverted) */ - struct vlv_wm_state optimal; - /* display FIFO split */ - struct vlv_fifo_state fifo_state; - } vlv; - - struct { - /* "raw" watermarks */ - struct g4x_pipe_wm raw[NUM_G4X_WM_LEVELS]; - /* intermediate watermarks */ - struct g4x_wm_state intermediate; - /* optimal watermarks */ - struct g4x_wm_state optimal; - } g4x; - }; - - /* - * Platforms with two-step watermark programming will need to - * update watermark programming post-vblank to switch from the - * safe intermediate watermarks to the optimal final - * watermarks. - */ - bool need_postvbl_update; -}; - -enum intel_output_format { - INTEL_OUTPUT_FORMAT_INVALID, - INTEL_OUTPUT_FORMAT_RGB, - INTEL_OUTPUT_FORMAT_YCBCR420, - INTEL_OUTPUT_FORMAT_YCBCR444, -}; - -struct intel_crtc_state { - struct drm_crtc_state base; - - /** - * quirks - bitfield with hw state readout quirks - * - * For various reasons the hw state readout code might not be able to - * completely faithfully read out the current state. These cases are - * tracked with quirk flags so that fastboot and state checker can act - * accordingly. - */ -#define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */ - unsigned long quirks; - - unsigned fb_bits; /* framebuffers to flip */ - bool update_pipe; /* can a fast modeset be performed? */ - bool disable_cxsr; - bool update_wm_pre, update_wm_post; /* watermarks are updated */ - bool fb_changed; /* fb on any of the planes is changed */ - bool fifo_changed; /* FIFO split is changed */ - - /* Pipe source size (ie. panel fitter input size) - * All planes will be positioned inside this space, - * and get clipped at the edges. */ - int pipe_src_w, pipe_src_h; - - /* - * Pipe pixel rate, adjusted for - * panel fitter/pipe scaler downscaling. - */ - unsigned int pixel_rate; - - /* Whether to set up the PCH/FDI. Note that we never allow sharing - * between pch encoders and cpu encoders. */ - bool has_pch_encoder; - - /* Are we sending infoframes on the attached port */ - bool has_infoframe; - - /* CPU Transcoder for the pipe. Currently this can only differ from the - * pipe on Haswell and later (where we have a special eDP transcoder) - * and Broxton (where we have special DSI transcoders). */ - enum transcoder cpu_transcoder; - - /* - * Use reduced/limited/broadcast rbg range, compressing from the full - * range fed into the crtcs. - */ - bool limited_color_range; - - /* Bitmask of encoder types (enum intel_output_type) - * driven by the pipe. - */ - unsigned int output_types; - - /* Whether we should send NULL infoframes. Required for audio. */ - bool has_hdmi_sink; - - /* Audio enabled on this pipe. Only valid if either has_hdmi_sink or - * has_dp_encoder is set. */ - bool has_audio; - - /* - * Enable dithering, used when the selected pipe bpp doesn't match the - * plane bpp. - */ - bool dither; - - /* - * Dither gets enabled for 18bpp which causes CRC mismatch errors for - * compliance video pattern tests. - * Disable dither only if it is a compliance test request for - * 18bpp. - */ - bool dither_force_disable; - - /* Controls for the clock computation, to override various stages. */ - bool clock_set; - - /* SDVO TV has a bunch of special case. To make multifunction encoders - * work correctly, we need to track this at runtime.*/ - bool sdvo_tv_clock; - - /* - * crtc bandwidth limit, don't increase pipe bpp or clock if not really - * required. This is set in the 2nd loop of calling encoder's - * ->compute_config if the first pick doesn't work out. - */ - bool bw_constrained; - - /* Settings for the intel dpll used on pretty much everything but - * haswell. */ - struct dpll dpll; - - /* Selected dpll when shared or NULL. */ - struct intel_shared_dpll *shared_dpll; - - /* Actual register state of the dpll, for shared dpll cross-checking. */ - struct intel_dpll_hw_state dpll_hw_state; - - /* DSI PLL registers */ - struct { - u32 ctrl, div; - } dsi_pll; - - int pipe_bpp; - struct intel_link_m_n dp_m_n; - - /* m2_n2 for eDP downclock */ - struct intel_link_m_n dp_m2_n2; - bool has_drrs; - - bool has_psr; - bool has_psr2; - - /* - * Frequence the dpll for the port should run at. Differs from the - * adjusted dotclock e.g. for DP or 12bpc hdmi mode. This is also - * already multiplied by pixel_multiplier. - */ - int port_clock; - - /* Used by SDVO (and if we ever fix it, HDMI). */ - unsigned pixel_multiplier; - - u8 lane_count; - - /* - * Used by platforms having DP/HDMI PHY with programmable lane - * latency optimization. - */ - u8 lane_lat_optim_mask; - - /* minimum acceptable voltage level */ - u8 min_voltage_level; - - /* Panel fitter controls for gen2-gen4 + VLV */ - struct { - u32 control; - u32 pgm_ratios; - u32 lvds_border_bits; - } gmch_pfit; - - /* Panel fitter placement and size for Ironlake+ */ - struct { - u32 pos; - u32 size; - bool enabled; - bool force_thru; - } pch_pfit; - - /* FDI configuration, only valid if has_pch_encoder is set. */ - int fdi_lanes; - struct intel_link_m_n fdi_m_n; - - bool ips_enabled; - bool ips_force_disable; - - bool enable_fbc; - - bool double_wide; - - int pbn; - - struct intel_crtc_scaler_state scaler_state; - - /* w/a for waiting 2 vblanks during crtc enable */ - enum pipe hsw_workaround_pipe; - - /* IVB sprite scaling w/a (WaCxSRDisabledForSpriteScaling:ivb) */ - bool disable_lp_wm; - - struct intel_crtc_wm_state wm; - - /* Gamma mode programmed on the pipe */ - u32 gamma_mode; - - /* bitmask of visible planes (enum plane_id) */ - u8 active_planes; - u8 nv12_planes; - - /* bitmask of planes that will be updated during the commit */ - u8 update_planes; - - /* HDMI scrambling status */ - bool hdmi_scrambling; - - /* HDMI High TMDS char rate ratio */ - bool hdmi_high_tmds_clock_ratio; - - /* Output format RGB/YCBCR etc */ - enum intel_output_format output_format; - - /* Output down scaling is done in LSPCON device */ - bool lspcon_downsampling; - - /* Display Stream compression state */ - struct { - bool compression_enable; - bool dsc_split; - u16 compressed_bpp; - u8 slice_count; - } dsc_params; - struct drm_dsc_config dp_dsc_cfg; - - /* Forward Error correction State */ - bool fec_enable; -}; - -struct intel_crtc { - struct drm_crtc base; - enum pipe pipe; - /* - * Whether the crtc and the connected output pipeline is active. Implies - * that crtc->enabled is set, i.e. the current mode configuration has - * some outputs connected to this crtc. - */ - bool active; - u8 plane_ids_mask; - unsigned long long enabled_power_domains; - struct intel_overlay *overlay; - - struct intel_crtc_state *config; - - /* global reset count when the last flip was submitted */ - unsigned int reset_count; - - /* Access to these should be protected by dev_priv->irq_lock. */ - bool cpu_fifo_underrun_disabled; - bool pch_fifo_underrun_disabled; - - /* per-pipe watermark state */ - struct { - /* watermarks currently being used */ - union { - struct intel_pipe_wm ilk; - struct vlv_wm_state vlv; - struct g4x_wm_state g4x; - } active; - } wm; - - int scanline_offset; - - struct { - unsigned start_vbl_count; - ktime_t start_vbl_time; - int min_vbl, max_vbl; - int scanline_start; - } debug; - - /* scalers available on this crtc */ - int num_scalers; -}; - -struct intel_plane { - struct drm_plane base; - enum i9xx_plane_id i9xx_plane; - enum plane_id id; - enum pipe pipe; - bool has_fbc; - bool has_ccs; - u32 frontbuffer_bit; - - struct { - u32 base, cntl, size; - } cursor; - - /* - * NOTE: Do not place new plane state fields here (e.g., when adding - * new plane properties). New runtime state should now be placed in - * the intel_plane_state structure and accessed via plane_state. - */ - - unsigned int (*max_stride)(struct intel_plane *plane, - u32 pixel_format, u64 modifier, - unsigned int rotation); - void (*update_plane)(struct intel_plane *plane, - const struct intel_crtc_state *crtc_state, - const struct intel_plane_state *plane_state); - void (*update_slave)(struct intel_plane *plane, - const struct intel_crtc_state *crtc_state, - const struct intel_plane_state *plane_state); - void (*disable_plane)(struct intel_plane *plane, - const struct intel_crtc_state *crtc_state); - bool (*get_hw_state)(struct intel_plane *plane, enum pipe *pipe); - int (*check_plane)(struct intel_crtc_state *crtc_state, - struct intel_plane_state *plane_state); -}; - -struct intel_watermark_params { - u16 fifo_size; - u16 max_wm; - u8 default_wm; - u8 guard_size; - u8 cacheline_size; -}; - -struct cxsr_latency { - bool is_desktop : 1; - bool is_ddr3 : 1; - u16 fsb_freq; - u16 mem_freq; - u16 display_sr; - u16 display_hpll_disable; - u16 cursor_sr; - u16 cursor_hpll_disable; -}; - -#define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base) -#define to_intel_crtc(x) container_of(x, struct intel_crtc, base) -#define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, base) -#define to_intel_connector(x) container_of(x, struct intel_connector, base) -#define to_intel_encoder(x) container_of(x, struct intel_encoder, base) -#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base) -#define to_intel_plane(x) container_of(x, struct intel_plane, base) -#define to_intel_plane_state(x) container_of(x, struct intel_plane_state, base) -#define intel_fb_obj(x) ((x) ? to_intel_bo((x)->obj[0]) : NULL) - -struct intel_hdmi { - i915_reg_t hdmi_reg; - int ddc_bus; - struct { - enum drm_dp_dual_mode_type type; - int max_tmds_clock; - } dp_dual_mode; - bool has_hdmi_sink; - bool has_audio; - struct intel_connector *attached_connector; - struct cec_notifier *cec_notifier; -}; - -struct intel_dp_mst_encoder; -#define DP_MAX_DOWNSTREAM_PORTS 0x10 - -/* - * enum link_m_n_set: - * When platform provides two set of M_N registers for dp, we can - * program them and switch between them incase of DRRS. - * But When only one such register is provided, we have to program the - * required divider value on that registers itself based on the DRRS state. - * - * M1_N1 : Program dp_m_n on M1_N1 registers - * dp_m2_n2 on M2_N2 registers (If supported) - * - * M2_N2 : Program dp_m2_n2 on M1_N1 registers - * M2_N2 registers are not supported - */ - -enum link_m_n_set { - /* Sets the m1_n1 and m2_n2 */ - M1_N1 = 0, - M2_N2 -}; - -struct intel_dp_compliance_data { - unsigned long edid; - u8 video_pattern; - u16 hdisplay, vdisplay; - u8 bpc; -}; - -struct intel_dp_compliance { - unsigned long test_type; - struct intel_dp_compliance_data test_data; - bool test_active; - int test_link_rate; - u8 test_lane_count; -}; - -struct intel_dp { - i915_reg_t output_reg; - u32 DP; - int link_rate; - u8 lane_count; - u8 sink_count; - bool link_mst; - bool link_trained; - bool has_audio; - bool reset_link_params; - u8 dpcd[DP_RECEIVER_CAP_SIZE]; - u8 psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE]; - u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]; - u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE]; - u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]; - u8 fec_capable; - /* source rates */ - int num_source_rates; - const int *source_rates; - /* sink rates as reported by DP_MAX_LINK_RATE/DP_SUPPORTED_LINK_RATES */ - int num_sink_rates; - int sink_rates[DP_MAX_SUPPORTED_RATES]; - bool use_rate_select; - /* intersection of source and sink rates */ - int num_common_rates; - int common_rates[DP_MAX_SUPPORTED_RATES]; - /* Max lane count for the current link */ - int max_link_lane_count; - /* Max rate for the current link */ - int max_link_rate; - /* sink or branch descriptor */ - struct drm_dp_desc desc; - struct drm_dp_aux aux; - u8 train_set[4]; - int panel_power_up_delay; - int panel_power_down_delay; - int panel_power_cycle_delay; - int backlight_on_delay; - int backlight_off_delay; - struct delayed_work panel_vdd_work; - bool want_panel_vdd; - unsigned long last_power_on; - unsigned long last_backlight_off; - ktime_t panel_power_off_time; - - struct notifier_block edp_notifier; - - /* - * Pipe whose power sequencer is currently locked into - * this port. Only relevant on VLV/CHV. - */ - enum pipe pps_pipe; - /* - * Pipe currently driving the port. Used for preventing - * the use of the PPS for any pipe currentrly driving - * external DP as that will mess things up on VLV. - */ - enum pipe active_pipe; - /* - * Set if the sequencer may be reset due to a power transition, - * requiring a reinitialization. Only relevant on BXT. - */ - bool pps_reset; - struct edp_power_seq pps_delays; - - bool can_mst; /* this port supports mst */ - bool is_mst; - int active_mst_links; - /* connector directly attached - won't be use for modeset in mst world */ - struct intel_connector *attached_connector; - - /* mst connector list */ - struct intel_dp_mst_encoder *mst_encoders[I915_MAX_PIPES]; - struct drm_dp_mst_topology_mgr mst_mgr; - - u32 (*get_aux_clock_divider)(struct intel_dp *dp, int index); - /* - * This function returns the value we have to program the AUX_CTL - * register with to kick off an AUX transaction. - */ - u32 (*get_aux_send_ctl)(struct intel_dp *dp, int send_bytes, - u32 aux_clock_divider); - - i915_reg_t (*aux_ch_ctl_reg)(struct intel_dp *dp); - i915_reg_t (*aux_ch_data_reg)(struct intel_dp *dp, int index); - - /* This is called before a link training is starterd */ - void (*prepare_link_retrain)(struct intel_dp *intel_dp); - - /* Displayport compliance testing */ - struct intel_dp_compliance compliance; - - /* Display stream compression testing */ - bool force_dsc_en; -}; - -enum lspcon_vendor { - LSPCON_VENDOR_MCA, - LSPCON_VENDOR_PARADE -}; - -struct intel_lspcon { - bool active; - enum drm_lspcon_mode mode; - enum lspcon_vendor vendor; -}; - -struct intel_digital_port { - struct intel_encoder base; - u32 saved_port_bits; - struct intel_dp dp; - struct intel_hdmi hdmi; - struct intel_lspcon lspcon; - enum irqreturn (*hpd_pulse)(struct intel_digital_port *, bool); - bool release_cl2_override; - u8 max_lanes; - /* Used for DP and ICL+ TypeC/DP and TypeC/HDMI ports. */ - enum aux_ch aux_ch; - enum intel_display_power_domain ddi_io_power_domain; - bool tc_legacy_port:1; - enum tc_port_type tc_type; - - void (*write_infoframe)(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - unsigned int type, - const void *frame, ssize_t len); - void (*set_infoframes)(struct intel_encoder *encoder, - bool enable, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); - bool (*infoframe_enabled)(struct intel_encoder *encoder, - const struct intel_crtc_state *pipe_config); -}; - -struct intel_dp_mst_encoder { - struct intel_encoder base; - enum pipe pipe; - struct intel_digital_port *primary; - struct intel_connector *connector; -}; - -static inline enum dpio_channel -vlv_dport_to_channel(struct intel_digital_port *dport) -{ - switch (dport->base.port) { - case PORT_B: - case PORT_D: - return DPIO_CH0; - case PORT_C: - return DPIO_CH1; - default: - BUG(); - } -} - -static inline enum dpio_phy -vlv_dport_to_phy(struct intel_digital_port *dport) -{ - switch (dport->base.port) { - case PORT_B: - case PORT_C: - return DPIO_PHY0; - case PORT_D: - return DPIO_PHY1; - default: - BUG(); - } -} - -static inline enum dpio_channel -vlv_pipe_to_channel(enum pipe pipe) -{ - switch (pipe) { - case PIPE_A: - case PIPE_C: - return DPIO_CH0; - case PIPE_B: - return DPIO_CH1; - default: - BUG(); - } -} - -static inline struct intel_crtc * -intel_get_crtc_for_pipe(struct drm_i915_private *dev_priv, enum pipe pipe) -{ - return dev_priv->pipe_to_crtc_mapping[pipe]; -} - -static inline struct intel_crtc * -intel_get_crtc_for_plane(struct drm_i915_private *dev_priv, enum i9xx_plane_id plane) -{ - return dev_priv->plane_to_crtc_mapping[plane]; -} - -struct intel_load_detect_pipe { - struct drm_atomic_state *restore_state; -}; - -static inline struct intel_encoder * -intel_attached_encoder(struct drm_connector *connector) -{ - return to_intel_connector(connector)->encoder; -} - -static inline bool intel_encoder_is_dig_port(struct intel_encoder *encoder) -{ - switch (encoder->type) { - case INTEL_OUTPUT_DDI: - case INTEL_OUTPUT_DP: - case INTEL_OUTPUT_EDP: - case INTEL_OUTPUT_HDMI: - return true; - default: - return false; - } -} - -static inline struct intel_digital_port * -enc_to_dig_port(struct drm_encoder *encoder) -{ - struct intel_encoder *intel_encoder = to_intel_encoder(encoder); - - if (intel_encoder_is_dig_port(intel_encoder)) - return container_of(encoder, struct intel_digital_port, - base.base); - else - return NULL; -} - -static inline struct intel_digital_port * -conn_to_dig_port(struct intel_connector *connector) -{ - return enc_to_dig_port(&intel_attached_encoder(&connector->base)->base); -} - -static inline struct intel_dp_mst_encoder * -enc_to_mst(struct drm_encoder *encoder) -{ - return container_of(encoder, struct intel_dp_mst_encoder, base.base); -} - -static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder) -{ - return &enc_to_dig_port(encoder)->dp; -} - -static inline bool intel_encoder_is_dp(struct intel_encoder *encoder) -{ - switch (encoder->type) { - case INTEL_OUTPUT_DP: - case INTEL_OUTPUT_EDP: - return true; - case INTEL_OUTPUT_DDI: - /* Skip pure HDMI/DVI DDI encoders */ - return i915_mmio_reg_valid(enc_to_intel_dp(&encoder->base)->output_reg); - default: - return false; - } -} - -static inline struct intel_lspcon * -enc_to_intel_lspcon(struct drm_encoder *encoder) -{ - return &enc_to_dig_port(encoder)->lspcon; -} - -static inline struct intel_digital_port * -dp_to_dig_port(struct intel_dp *intel_dp) -{ - return container_of(intel_dp, struct intel_digital_port, dp); -} - -static inline struct intel_lspcon * -dp_to_lspcon(struct intel_dp *intel_dp) -{ - return &dp_to_dig_port(intel_dp)->lspcon; -} - -static inline struct drm_i915_private * -dp_to_i915(struct intel_dp *intel_dp) -{ - return to_i915(dp_to_dig_port(intel_dp)->base.base.dev); -} - -static inline struct intel_digital_port * -hdmi_to_dig_port(struct intel_hdmi *intel_hdmi) -{ - return container_of(intel_hdmi, struct intel_digital_port, hdmi); -} - -static inline struct intel_plane_state * -intel_atomic_get_plane_state(struct intel_atomic_state *state, - struct intel_plane *plane) -{ - struct drm_plane_state *ret = - drm_atomic_get_plane_state(&state->base, &plane->base); - - if (IS_ERR(ret)) - return ERR_CAST(ret); - - return to_intel_plane_state(ret); -} - -static inline struct intel_plane_state * -intel_atomic_get_old_plane_state(struct intel_atomic_state *state, - struct intel_plane *plane) -{ - return to_intel_plane_state(drm_atomic_get_old_plane_state(&state->base, - &plane->base)); -} - -static inline struct intel_plane_state * -intel_atomic_get_new_plane_state(struct intel_atomic_state *state, - struct intel_plane *plane) -{ - return to_intel_plane_state(drm_atomic_get_new_plane_state(&state->base, - &plane->base)); -} - -static inline struct intel_crtc_state * -intel_atomic_get_old_crtc_state(struct intel_atomic_state *state, - struct intel_crtc *crtc) -{ - return to_intel_crtc_state(drm_atomic_get_old_crtc_state(&state->base, - &crtc->base)); -} - -static inline struct intel_crtc_state * -intel_atomic_get_new_crtc_state(struct intel_atomic_state *state, - struct intel_crtc *crtc) -{ - return to_intel_crtc_state(drm_atomic_get_new_crtc_state(&state->base, - &crtc->base)); -} - -/* intel_fifo_underrun.c */ -bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private *dev_priv, - enum pipe pipe, bool enable); -bool intel_set_pch_fifo_underrun_reporting(struct drm_i915_private *dev_priv, - enum pipe pch_transcoder, - bool enable); -void intel_cpu_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv, - enum pipe pipe); -void intel_pch_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv, - enum pipe pch_transcoder); -void intel_check_cpu_fifo_underruns(struct drm_i915_private *dev_priv); -void intel_check_pch_fifo_underruns(struct drm_i915_private *dev_priv); - -/* i915_irq.c */ -void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen6_mask_pm_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen6_unmask_pm_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen11_reset_rps_interrupts(struct drm_i915_private *dev_priv); -void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv); -void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv); -void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv); - -static inline u32 gen6_sanitize_rps_pm_mask(const struct drm_i915_private *i915, - u32 mask) -{ - return mask & ~i915->gt_pm.rps.pm_intrmsk_mbz; -} - -void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv); -void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv); -static inline bool intel_irqs_enabled(struct drm_i915_private *dev_priv) -{ - /* - * We only use drm_irq_uninstall() at unload and VT switch, so - * this is the only thing we need to check. - */ - return dev_priv->runtime_pm.irqs_enabled; -} - -int intel_get_crtc_scanline(struct intel_crtc *crtc); -void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv, - u8 pipe_mask); -void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, - u8 pipe_mask); -void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv); -void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv); -void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv); - -/* intel_crt.c */ -bool intel_crt_port_enabled(struct drm_i915_private *dev_priv, - i915_reg_t adpa_reg, enum pipe *pipe); -void intel_crt_init(struct drm_i915_private *dev_priv); -void intel_crt_reset(struct drm_encoder *encoder); - -/* intel_ddi.c */ -void intel_ddi_fdi_post_disable(struct intel_encoder *intel_encoder, - const struct intel_crtc_state *old_crtc_state, - const struct drm_connector_state *old_conn_state); -void hsw_fdi_link_train(struct intel_crtc *crtc, - const struct intel_crtc_state *crtc_state); -void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port); -bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe); -void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state); -void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state); -void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state); -void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state); -void intel_ddi_set_pipe_settings(const struct intel_crtc_state *crtc_state); -void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp); -bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector); -void intel_ddi_get_config(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config); - -void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state, - bool state); -void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, - struct intel_crtc_state *crtc_state); -u32 bxt_signal_levels(struct intel_dp *intel_dp); -u32 ddi_signal_levels(struct intel_dp *intel_dp); -u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder); -u8 intel_ddi_dp_pre_emphasis_max(struct intel_encoder *encoder, - u8 voltage_swing); -int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder, - bool enable); -void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder); -int cnl_calc_wrpll_link(struct drm_i915_private *dev_priv, - enum intel_dpll_id pll_id); - -unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, - int color_plane, unsigned int height); - -/* intel_audio.c */ -void intel_init_audio_hooks(struct drm_i915_private *dev_priv); -void intel_audio_codec_enable(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); -void intel_audio_codec_disable(struct intel_encoder *encoder, - const struct intel_crtc_state *old_crtc_state, - const struct drm_connector_state *old_conn_state); -void i915_audio_component_init(struct drm_i915_private *dev_priv); -void i915_audio_component_cleanup(struct drm_i915_private *dev_priv); -void intel_audio_init(struct drm_i915_private *dev_priv); -void intel_audio_deinit(struct drm_i915_private *dev_priv); - -/* intel_cdclk.c */ -int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state); -void skl_init_cdclk(struct drm_i915_private *dev_priv); -void skl_uninit_cdclk(struct drm_i915_private *dev_priv); -void cnl_init_cdclk(struct drm_i915_private *dev_priv); -void cnl_uninit_cdclk(struct drm_i915_private *dev_priv); -void bxt_init_cdclk(struct drm_i915_private *dev_priv); -void bxt_uninit_cdclk(struct drm_i915_private *dev_priv); -void icl_init_cdclk(struct drm_i915_private *dev_priv); -void icl_uninit_cdclk(struct drm_i915_private *dev_priv); -void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv); -void intel_update_max_cdclk(struct drm_i915_private *dev_priv); -void intel_update_cdclk(struct drm_i915_private *dev_priv); -void intel_update_rawclk(struct drm_i915_private *dev_priv); -bool intel_cdclk_needs_modeset(const struct intel_cdclk_state *a, - const struct intel_cdclk_state *b); -bool intel_cdclk_changed(const struct intel_cdclk_state *a, - const struct intel_cdclk_state *b); -void intel_set_cdclk(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *cdclk_state); -void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state, - const char *context); - -/* intel_display.c */ -void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); -void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); -enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc); -int vlv_get_hpll_vco(struct drm_i915_private *dev_priv); -int vlv_get_cck_clock(struct drm_i915_private *dev_priv, - const char *name, u32 reg, int ref_freq); -int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, - const char *name, u32 reg); -void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv); -void lpt_disable_iclkip(struct drm_i915_private *dev_priv); -void intel_init_display_hooks(struct drm_i915_private *dev_priv); -unsigned int intel_fb_xy_to_linear(int x, int y, - const struct intel_plane_state *state, - int plane); -void intel_add_fb_offsets(int *x, int *y, - const struct intel_plane_state *state, int plane); -unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); -bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv); -void intel_mark_busy(struct drm_i915_private *dev_priv); -void intel_mark_idle(struct drm_i915_private *dev_priv); -int intel_display_suspend(struct drm_device *dev); -void intel_pps_unlock_regs_wa(struct drm_i915_private *dev_priv); -void intel_encoder_destroy(struct drm_encoder *encoder); -struct drm_display_mode * -intel_encoder_current_mode(struct intel_encoder *encoder); -bool intel_port_is_combophy(struct drm_i915_private *dev_priv, enum port port); -bool intel_port_is_tc(struct drm_i915_private *dev_priv, enum port port); -enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, - enum port port); -int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, - enum pipe pipe); -static inline bool -intel_crtc_has_type(const struct intel_crtc_state *crtc_state, - enum intel_output_type type) -{ - return crtc_state->output_types & (1 << type); -} -static inline bool -intel_crtc_has_dp_encoder(const struct intel_crtc_state *crtc_state) -{ - return crtc_state->output_types & - ((1 << INTEL_OUTPUT_DP) | - (1 << INTEL_OUTPUT_DP_MST) | - (1 << INTEL_OUTPUT_EDP)); -} -static inline void -intel_wait_for_vblank(struct drm_i915_private *dev_priv, enum pipe pipe) -{ - drm_wait_one_vblank(&dev_priv->drm, pipe); -} -static inline void -intel_wait_for_vblank_if_active(struct drm_i915_private *dev_priv, int pipe) -{ - const struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe); - - if (crtc->active) - intel_wait_for_vblank(dev_priv, pipe); -} - -u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc); - -int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp); -void vlv_wait_port_ready(struct drm_i915_private *dev_priv, - struct intel_digital_port *dport, - unsigned int expected_mask); -int intel_get_load_detect_pipe(struct drm_connector *connector, - const struct drm_display_mode *mode, - struct intel_load_detect_pipe *old, - struct drm_modeset_acquire_ctx *ctx); -void intel_release_load_detect_pipe(struct drm_connector *connector, - struct intel_load_detect_pipe *old, - struct drm_modeset_acquire_ctx *ctx); -struct i915_vma * -intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, - const struct i915_ggtt_view *view, - bool uses_fence, - unsigned long *out_flags); -void intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags); -struct drm_framebuffer * -intel_framebuffer_create(struct drm_i915_gem_object *obj, - struct drm_mode_fb_cmd2 *mode_cmd); -int intel_prepare_plane_fb(struct drm_plane *plane, - struct drm_plane_state *new_state); -void intel_cleanup_plane_fb(struct drm_plane *plane, - struct drm_plane_state *old_state); -int intel_plane_atomic_get_property(struct drm_plane *plane, - const struct drm_plane_state *state, - struct drm_property *property, - u64 *val); -int intel_plane_atomic_set_property(struct drm_plane *plane, - struct drm_plane_state *state, - struct drm_property *property, - u64 val); -int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_state, - struct drm_crtc_state *crtc_state, - const struct intel_plane_state *old_plane_state, - struct drm_plane_state *plane_state); - -void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, - enum pipe pipe); - -int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe, - const struct dpll *dpll); -void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe); -int lpt_get_iclkip(struct drm_i915_private *dev_priv); - -/* modesetting asserts */ -void assert_panel_unlocked(struct drm_i915_private *dev_priv, - enum pipe pipe); -void assert_pll(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state); -#define assert_pll_enabled(d, p) assert_pll(d, p, true) -#define assert_pll_disabled(d, p) assert_pll(d, p, false) -void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state); -#define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) -#define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) -void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state); -#define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true) -#define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false) -void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool state); -#define assert_pipe_enabled(d, p) assert_pipe(d, p, true) -#define assert_pipe_disabled(d, p) assert_pipe(d, p, false) -void intel_prepare_reset(struct drm_i915_private *dev_priv); -void intel_finish_reset(struct drm_i915_private *dev_priv); -void hsw_enable_pc8(struct drm_i915_private *dev_priv); -void hsw_disable_pc8(struct drm_i915_private *dev_priv); -void gen9_sanitize_dc_state(struct drm_i915_private *dev_priv); -void bxt_enable_dc9(struct drm_i915_private *dev_priv); -void bxt_disable_dc9(struct drm_i915_private *dev_priv); -void gen9_enable_dc5(struct drm_i915_private *dev_priv); -unsigned int skl_cdclk_get_vco(unsigned int freq); -void skl_enable_dc6(struct drm_i915_private *dev_priv); -void intel_dp_get_m_n(struct intel_crtc *crtc, - struct intel_crtc_state *pipe_config); -void intel_dp_set_m_n(const struct intel_crtc_state *crtc_state, - enum link_m_n_set m_n); -int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n); -bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock, - struct dpll *best_clock); -int chv_calc_dpll_params(int refclk, struct dpll *pll_clock); - -bool intel_crtc_active(struct intel_crtc *crtc); -bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state); -void hsw_enable_ips(const struct intel_crtc_state *crtc_state); -void hsw_disable_ips(const struct intel_crtc_state *crtc_state); -enum intel_display_power_domain intel_port_to_power_domain(enum port port); -enum intel_display_power_domain -intel_aux_power_domain(struct intel_digital_port *dig_port); -void intel_mode_from_pipe_config(struct drm_display_mode *mode, - struct intel_crtc_state *pipe_config); -void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state); - -u16 skl_scaler_calc_phase(int sub, int scale, bool chroma_center); -int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state); -int skl_max_scale(const struct intel_crtc_state *crtc_state, - u32 pixel_format); - -static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *state) -{ - return i915_ggtt_offset(state->vma); -} - -u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state, - const struct intel_plane_state *plane_state); -u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state); -u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state, - const struct intel_plane_state *plane_state); -u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state); -u32 skl_plane_stride(const struct intel_plane_state *plane_state, - int plane); -int skl_check_plane_surface(struct intel_plane_state *plane_state); -int i9xx_check_plane_surface(struct intel_plane_state *plane_state); -int skl_format_to_fourcc(int format, bool rgb_order, bool alpha); -unsigned int i9xx_plane_max_stride(struct intel_plane *plane, - u32 pixel_format, u64 modifier, - unsigned int rotation); - -/* intel_connector.c */ -int intel_connector_init(struct intel_connector *connector); -struct intel_connector *intel_connector_alloc(void); -void intel_connector_free(struct intel_connector *connector); -void intel_connector_destroy(struct drm_connector *connector); -int intel_connector_register(struct drm_connector *connector); -void intel_connector_unregister(struct drm_connector *connector); -void intel_connector_attach_encoder(struct intel_connector *connector, - struct intel_encoder *encoder); -bool intel_connector_get_hw_state(struct intel_connector *connector); -enum pipe intel_connector_get_pipe(struct intel_connector *connector); -int intel_connector_update_modes(struct drm_connector *connector, - struct edid *edid); -int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter); -void intel_attach_force_audio_property(struct drm_connector *connector); -void intel_attach_broadcast_rgb_property(struct drm_connector *connector); -void intel_attach_aspect_ratio_property(struct drm_connector *connector); - -/* intel_csr.c */ -void intel_csr_ucode_init(struct drm_i915_private *); -void intel_csr_load_program(struct drm_i915_private *); -void intel_csr_ucode_fini(struct drm_i915_private *); -void intel_csr_ucode_suspend(struct drm_i915_private *); -void intel_csr_ucode_resume(struct drm_i915_private *); - -/* intel_dp.c */ -bool intel_dp_port_enabled(struct drm_i915_private *dev_priv, - i915_reg_t dp_reg, enum port port, - enum pipe *pipe); -bool intel_dp_init(struct drm_i915_private *dev_priv, i915_reg_t output_reg, - enum port port); -bool intel_dp_init_connector(struct intel_digital_port *intel_dig_port, - struct intel_connector *intel_connector); -void intel_dp_set_link_params(struct intel_dp *intel_dp, - int link_rate, u8 lane_count, - bool link_mst); -int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp, - int link_rate, u8 lane_count); -void intel_dp_start_link_train(struct intel_dp *intel_dp); -void intel_dp_stop_link_train(struct intel_dp *intel_dp); -int intel_dp_retrain_link(struct intel_encoder *encoder, - struct drm_modeset_acquire_ctx *ctx); -void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode); -void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state, - bool enable); -void intel_dp_encoder_reset(struct drm_encoder *encoder); -void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder); -void intel_dp_encoder_flush_work(struct drm_encoder *encoder); -int intel_dp_compute_config(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config, - struct drm_connector_state *conn_state); -bool intel_dp_is_edp(struct intel_dp *intel_dp); -bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port); -enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, - bool long_hpd); -void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); -void intel_edp_backlight_off(const struct drm_connector_state *conn_state); -void intel_edp_panel_vdd_on(struct intel_dp *intel_dp); -void intel_edp_panel_on(struct intel_dp *intel_dp); -void intel_edp_panel_off(struct intel_dp *intel_dp); -void intel_dp_mst_suspend(struct drm_i915_private *dev_priv); -void intel_dp_mst_resume(struct drm_i915_private *dev_priv); -int intel_dp_max_link_rate(struct intel_dp *intel_dp); -int intel_dp_max_lane_count(struct intel_dp *intel_dp); -int intel_dp_rate_select(struct intel_dp *intel_dp, int rate); -void intel_dp_hot_plug(struct intel_encoder *intel_encoder); -void intel_power_sequencer_reset(struct drm_i915_private *dev_priv); -u32 intel_dp_pack_aux(const u8 *src, int src_bytes); -void intel_plane_destroy(struct drm_plane *plane); -void intel_edp_drrs_enable(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); -void intel_edp_drrs_disable(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); -void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits); -void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits); - -void -intel_dp_program_link_training_pattern(struct intel_dp *intel_dp, - u8 dp_train_pat); -void -intel_dp_set_signal_levels(struct intel_dp *intel_dp); -void intel_dp_set_idle_link_train(struct intel_dp *intel_dp); -u8 -intel_dp_voltage_max(struct intel_dp *intel_dp); -u8 -intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, u8 voltage_swing); -void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock, - u8 *link_bw, u8 *rate_select); -bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp); -bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp); -bool -intel_dp_get_link_status(struct intel_dp *intel_dp, u8 link_status[DP_LINK_STATUS_SIZE]); -u16 intel_dp_dsc_get_output_bpp(int link_clock, u8 lane_count, - int mode_clock, int mode_hdisplay); -u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp, int mode_clock, - int mode_hdisplay); - -/* intel_vdsc.c */ -int intel_dp_compute_dsc_params(struct intel_dp *intel_dp, - struct intel_crtc_state *pipe_config); -enum intel_display_power_domain -intel_dsc_power_domain(const struct intel_crtc_state *crtc_state); - -static inline unsigned int intel_dp_unused_lane_mask(int lane_count) -{ - return ~((1 << lane_count) - 1) & 0xf; -} - -bool intel_dp_read_dpcd(struct intel_dp *intel_dp); -int intel_dp_link_required(int pixel_clock, int bpp); -int intel_dp_max_data_rate(int max_link_clock, int max_lanes); -bool intel_digital_port_connected(struct intel_encoder *encoder); -void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv, - struct intel_digital_port *dig_port); - -/* intel_dp_aux_backlight.c */ -int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector); - -/* intel_dp_mst.c */ -int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id); -void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port); -/* vlv_dsi.c */ -void vlv_dsi_init(struct drm_i915_private *dev_priv); - -/* icl_dsi.c */ -void icl_dsi_init(struct drm_i915_private *dev_priv); - -/* intel_dsi_dcs_backlight.c */ -int intel_dsi_dcs_init_backlight_funcs(struct intel_connector *intel_connector); - -/* intel_dvo.c */ -void intel_dvo_init(struct drm_i915_private *dev_priv); -/* intel_hotplug.c */ -void intel_hpd_poll_init(struct drm_i915_private *dev_priv); -bool intel_encoder_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector); - -/* legacy fbdev emulation in intel_fbdev.c */ -#ifdef CONFIG_DRM_FBDEV_EMULATION -extern int intel_fbdev_init(struct drm_device *dev); -extern void intel_fbdev_initial_config_async(struct drm_device *dev); -extern void intel_fbdev_unregister(struct drm_i915_private *dev_priv); -extern void intel_fbdev_fini(struct drm_i915_private *dev_priv); -extern void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous); -extern void intel_fbdev_output_poll_changed(struct drm_device *dev); -extern void intel_fbdev_restore_mode(struct drm_device *dev); -#else -static inline int intel_fbdev_init(struct drm_device *dev) -{ - return 0; -} - -static inline void intel_fbdev_initial_config_async(struct drm_device *dev) -{ -} - -static inline void intel_fbdev_unregister(struct drm_i915_private *dev_priv) -{ -} - -static inline void intel_fbdev_fini(struct drm_i915_private *dev_priv) -{ -} - -static inline void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous) -{ -} - -static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) -{ -} - -static inline void intel_fbdev_restore_mode(struct drm_device *dev) -{ -} -#endif - -/* intel_fbc.c */ -void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv, - struct intel_atomic_state *state); -bool intel_fbc_is_active(struct drm_i915_private *dev_priv); -void intel_fbc_pre_update(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct intel_plane_state *plane_state); -void intel_fbc_post_update(struct intel_crtc *crtc); -void intel_fbc_init(struct drm_i915_private *dev_priv); -void intel_fbc_init_pipe_state(struct drm_i915_private *dev_priv); -void intel_fbc_enable(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct intel_plane_state *plane_state); -void intel_fbc_disable(struct intel_crtc *crtc); -void intel_fbc_global_disable(struct drm_i915_private *dev_priv); -void intel_fbc_invalidate(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits, - enum fb_op_origin origin); -void intel_fbc_flush(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits, enum fb_op_origin origin); -void intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv); -void intel_fbc_handle_fifo_underrun_irq(struct drm_i915_private *dev_priv); -int intel_fbc_reset_underrun(struct drm_i915_private *dev_priv); - -/* intel_hdmi.c */ -void intel_hdmi_init(struct drm_i915_private *dev_priv, i915_reg_t hdmi_reg, - enum port port); -void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, - struct intel_connector *intel_connector); -struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder); -int intel_hdmi_compute_config(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config, - struct drm_connector_state *conn_state); -bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder, - struct drm_connector *connector, - bool high_tmds_clock_ratio, - bool scrambling); -void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable); -void intel_infoframe_init(struct intel_digital_port *intel_dig_port); - -/* intel_lvds.c */ -bool intel_lvds_port_enabled(struct drm_i915_private *dev_priv, - i915_reg_t lvds_reg, enum pipe *pipe); -void intel_lvds_init(struct drm_i915_private *dev_priv); -struct intel_encoder *intel_get_lvds_encoder(struct drm_device *dev); -bool intel_is_dual_link_lvds(struct drm_device *dev); - -/* intel_overlay.c */ -void intel_overlay_setup(struct drm_i915_private *dev_priv); -void intel_overlay_cleanup(struct drm_i915_private *dev_priv); -int intel_overlay_switch_off(struct intel_overlay *overlay); -int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -void intel_overlay_reset(struct drm_i915_private *dev_priv); - - -/* intel_panel.c */ -int intel_panel_init(struct intel_panel *panel, - struct drm_display_mode *fixed_mode, - struct drm_display_mode *downclock_mode); -void intel_panel_fini(struct intel_panel *panel); -void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode, - struct drm_display_mode *adjusted_mode); -void intel_pch_panel_fitting(struct intel_crtc *crtc, - struct intel_crtc_state *pipe_config, - int fitting_mode); -void intel_gmch_panel_fitting(struct intel_crtc *crtc, - struct intel_crtc_state *pipe_config, - int fitting_mode); -void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state, - u32 level, u32 max); -int intel_panel_setup_backlight(struct drm_connector *connector, - enum pipe pipe); -void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); -void intel_panel_update_backlight(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); -void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state); -extern struct drm_display_mode *intel_find_panel_downclock( - struct drm_i915_private *dev_priv, - struct drm_display_mode *fixed_mode, - struct drm_connector *connector); - -#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE) -int intel_backlight_device_register(struct intel_connector *connector); -void intel_backlight_device_unregister(struct intel_connector *connector); -#else /* CONFIG_BACKLIGHT_CLASS_DEVICE */ -static inline int intel_backlight_device_register(struct intel_connector *connector) -{ - return 0; -} -static inline void intel_backlight_device_unregister(struct intel_connector *connector) -{ -} -#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */ - -/* intel_hdcp.c */ -void intel_hdcp_atomic_check(struct drm_connector *connector, - struct drm_connector_state *old_state, - struct drm_connector_state *new_state); -int intel_hdcp_init(struct intel_connector *connector, - const struct intel_hdcp_shim *hdcp_shim); -int intel_hdcp_enable(struct intel_connector *connector); -int intel_hdcp_disable(struct intel_connector *connector); -int intel_hdcp_check_link(struct intel_connector *connector); -bool is_hdcp_supported(struct drm_i915_private *dev_priv, enum port port); -bool intel_hdcp_capable(struct intel_connector *connector); - -/* intel_psr.c */ -#define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support) -void intel_psr_init_dpcd(struct intel_dp *intel_dp); -void intel_psr_enable(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); -void intel_psr_disable(struct intel_dp *intel_dp, - const struct intel_crtc_state *old_crtc_state); -int intel_psr_set_debugfs_mode(struct drm_i915_private *dev_priv, - struct drm_modeset_acquire_ctx *ctx, - u64 value); -void intel_psr_invalidate(struct drm_i915_private *dev_priv, - unsigned frontbuffer_bits, - enum fb_op_origin origin); -void intel_psr_flush(struct drm_i915_private *dev_priv, - unsigned frontbuffer_bits, - enum fb_op_origin origin); -void intel_psr_init(struct drm_i915_private *dev_priv); -void intel_psr_compute_config(struct intel_dp *intel_dp, - struct intel_crtc_state *crtc_state); -void intel_psr_irq_control(struct drm_i915_private *dev_priv, u32 debug); -void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir); -void intel_psr_short_pulse(struct intel_dp *intel_dp); -int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state, - u32 *out_value); -bool intel_psr_enabled(struct intel_dp *intel_dp); - -/* intel_quirks.c */ -void intel_init_quirks(struct drm_i915_private *dev_priv); - -/* intel_runtime_pm.c */ -void intel_runtime_pm_init_early(struct drm_i915_private *dev_priv); -int intel_power_domains_init(struct drm_i915_private *); -void intel_power_domains_cleanup(struct drm_i915_private *dev_priv); -void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume); -void intel_power_domains_fini_hw(struct drm_i915_private *dev_priv); -void icl_display_core_init(struct drm_i915_private *dev_priv, bool resume); -void icl_display_core_uninit(struct drm_i915_private *dev_priv); -void intel_power_domains_enable(struct drm_i915_private *dev_priv); -void intel_power_domains_disable(struct drm_i915_private *dev_priv); - -enum i915_drm_suspend_mode { - I915_DRM_SUSPEND_IDLE, - I915_DRM_SUSPEND_MEM, - I915_DRM_SUSPEND_HIBERNATE, -}; - -void intel_power_domains_suspend(struct drm_i915_private *dev_priv, - enum i915_drm_suspend_mode); -void intel_power_domains_resume(struct drm_i915_private *dev_priv); -void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume); -void bxt_display_core_uninit(struct drm_i915_private *dev_priv); -void intel_runtime_pm_enable(struct drm_i915_private *dev_priv); -void intel_runtime_pm_disable(struct drm_i915_private *dev_priv); -void intel_runtime_pm_cleanup(struct drm_i915_private *dev_priv); -const char * -intel_display_power_domain_str(enum intel_display_power_domain domain); - -bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain); -bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain); -intel_wakeref_t intel_display_power_get(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain); -intel_wakeref_t -intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain); -void intel_display_power_put_unchecked(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain); -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) -void intel_display_power_put(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain, - intel_wakeref_t wakeref); -#else -#define intel_display_power_put(i915, domain, wakeref) \ - intel_display_power_put_unchecked(i915, domain) -#endif -void icl_dbuf_slices_update(struct drm_i915_private *dev_priv, - u8 req_slices); - -static inline void -assert_rpm_device_not_suspended(struct drm_i915_private *i915) -{ - WARN_ONCE(i915->runtime_pm.suspended, - "Device suspended during HW access\n"); -} - -static inline void -assert_rpm_wakelock_held(struct drm_i915_private *i915) -{ - assert_rpm_device_not_suspended(i915); - WARN_ONCE(!atomic_read(&i915->runtime_pm.wakeref_count), - "RPM wakelock ref not held during HW access"); -} - -/** - * disable_rpm_wakeref_asserts - disable the RPM assert checks - * @i915: i915 device instance - * - * This function disable asserts that check if we hold an RPM wakelock - * reference, while keeping the device-not-suspended checks still enabled. - * It's meant to be used only in special circumstances where our rule about - * the wakelock refcount wrt. the device power state doesn't hold. According - * to this rule at any point where we access the HW or want to keep the HW in - * an active state we must hold an RPM wakelock reference acquired via one of - * the intel_runtime_pm_get() helpers. Currently there are a few special spots - * where this rule doesn't hold: the IRQ and suspend/resume handlers, the - * forcewake release timer, and the GPU RPS and hangcheck works. All other - * users should avoid using this function. - * - * Any calls to this function must have a symmetric call to - * enable_rpm_wakeref_asserts(). - */ -static inline void -disable_rpm_wakeref_asserts(struct drm_i915_private *i915) -{ - atomic_inc(&i915->runtime_pm.wakeref_count); -} - -/** - * enable_rpm_wakeref_asserts - re-enable the RPM assert checks - * @i915: i915 device instance - * - * This function re-enables the RPM assert checks after disabling them with - * disable_rpm_wakeref_asserts. It's meant to be used only in special - * circumstances otherwise its use should be avoided. - * - * Any calls to this function must have a symmetric call to - * disable_rpm_wakeref_asserts(). - */ -static inline void -enable_rpm_wakeref_asserts(struct drm_i915_private *i915) -{ - atomic_dec(&i915->runtime_pm.wakeref_count); -} - -intel_wakeref_t intel_runtime_pm_get(struct drm_i915_private *i915); -intel_wakeref_t intel_runtime_pm_get_if_in_use(struct drm_i915_private *i915); -intel_wakeref_t intel_runtime_pm_get_noresume(struct drm_i915_private *i915); - -#define with_intel_runtime_pm(i915, wf) \ - for ((wf) = intel_runtime_pm_get(i915); (wf); \ - intel_runtime_pm_put((i915), (wf)), (wf) = 0) - -#define with_intel_runtime_pm_if_in_use(i915, wf) \ - for ((wf) = intel_runtime_pm_get_if_in_use(i915); (wf); \ - intel_runtime_pm_put((i915), (wf)), (wf) = 0) - -void intel_runtime_pm_put_unchecked(struct drm_i915_private *i915); -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) -void intel_runtime_pm_put(struct drm_i915_private *i915, intel_wakeref_t wref); -#else -#define intel_runtime_pm_put(i915, wref) intel_runtime_pm_put_unchecked(i915) -#endif - -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) -void print_intel_runtime_pm_wakeref(struct drm_i915_private *i915, - struct drm_printer *p); -#else -static inline void print_intel_runtime_pm_wakeref(struct drm_i915_private *i915, - struct drm_printer *p) -{ -} -#endif - -void chv_phy_powergate_lanes(struct intel_encoder *encoder, - bool override, unsigned int mask); -bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy, - enum dpio_channel ch, bool override); - - -/* intel_pm.c */ -void intel_init_clock_gating(struct drm_i915_private *dev_priv); -void intel_suspend_hw(struct drm_i915_private *dev_priv); -int ilk_wm_max_level(const struct drm_i915_private *dev_priv); -void intel_update_watermarks(struct intel_crtc *crtc); -void intel_init_pm(struct drm_i915_private *dev_priv); -void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv); -void intel_pm_setup(struct drm_i915_private *dev_priv); -void intel_gpu_ips_init(struct drm_i915_private *dev_priv); -void intel_gpu_ips_teardown(void); -void intel_init_gt_powersave(struct drm_i915_private *dev_priv); -void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv); -void intel_sanitize_gt_powersave(struct drm_i915_private *dev_priv); -void intel_enable_gt_powersave(struct drm_i915_private *dev_priv); -void intel_disable_gt_powersave(struct drm_i915_private *dev_priv); -void intel_suspend_gt_powersave(struct drm_i915_private *dev_priv); -void gen6_rps_busy(struct drm_i915_private *dev_priv); -void gen6_rps_reset_ei(struct drm_i915_private *dev_priv); -void gen6_rps_idle(struct drm_i915_private *dev_priv); -void gen6_rps_boost(struct i915_request *rq, struct intel_rps_client *rps); -void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv); -void vlv_wm_get_hw_state(struct drm_i915_private *dev_priv); -void ilk_wm_get_hw_state(struct drm_i915_private *dev_priv); -void skl_wm_get_hw_state(struct drm_i915_private *dev_priv); -void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc, - struct skl_ddb_entry *ddb_y, - struct skl_ddb_entry *ddb_uv); -void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, - struct skl_ddb_allocation *ddb /* out */); -void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc, - struct skl_pipe_wm *out); -void g4x_wm_sanitize(struct drm_i915_private *dev_priv); -void vlv_wm_sanitize(struct drm_i915_private *dev_priv); -bool intel_can_enable_sagv(struct drm_atomic_state *state); -int intel_enable_sagv(struct drm_i915_private *dev_priv); -int intel_disable_sagv(struct drm_i915_private *dev_priv); -bool skl_wm_level_equals(const struct skl_wm_level *l1, - const struct skl_wm_level *l2); -bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb, - const struct skl_ddb_entry entries[], - int num_entries, int ignore_idx); -void skl_write_plane_wm(struct intel_plane *plane, - const struct intel_crtc_state *crtc_state); -void skl_write_cursor_wm(struct intel_plane *plane, - const struct intel_crtc_state *crtc_state); -bool ilk_disable_lp_wm(struct drm_device *dev); -int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc, - struct intel_crtc_state *cstate); -void intel_init_ipc(struct drm_i915_private *dev_priv); -void intel_enable_ipc(struct drm_i915_private *dev_priv); - -/* intel_sdvo.c */ -bool intel_sdvo_port_enabled(struct drm_i915_private *dev_priv, - i915_reg_t sdvo_reg, enum pipe *pipe); -bool intel_sdvo_init(struct drm_i915_private *dev_priv, - i915_reg_t reg, enum port port); - - -/* intel_sprite.c */ -int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, - int usecs); -struct intel_plane *intel_sprite_plane_create(struct drm_i915_private *dev_priv, - enum pipe pipe, int plane); -int intel_sprite_set_colorkey_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state); -void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state); -int intel_plane_check_stride(const struct intel_plane_state *plane_state); -int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state); -int chv_plane_check_rotation(const struct intel_plane_state *plane_state); -struct intel_plane * -skl_universal_plane_create(struct drm_i915_private *dev_priv, - enum pipe pipe, enum plane_id plane_id); - -static inline bool icl_is_nv12_y_plane(enum plane_id id) -{ - /* Don't need to do a gen check, these planes are only available on gen11 */ - if (id == PLANE_SPRITE4 || id == PLANE_SPRITE5) - return true; - - return false; -} - -static inline bool icl_is_hdr_plane(struct intel_plane *plane) -{ - if (INTEL_GEN(to_i915(plane->base.dev)) < 11) - return false; - - return plane->id < PLANE_SPRITE2; -} - -/* intel_tv.c */ -void intel_tv_init(struct drm_i915_private *dev_priv); - -/* intel_atomic.c */ -int intel_digital_connector_atomic_get_property(struct drm_connector *connector, - const struct drm_connector_state *state, - struct drm_property *property, - u64 *val); -int intel_digital_connector_atomic_set_property(struct drm_connector *connector, - struct drm_connector_state *state, - struct drm_property *property, - u64 val); -int intel_digital_connector_atomic_check(struct drm_connector *conn, - struct drm_connector_state *new_state); -struct drm_connector_state * -intel_digital_connector_duplicate_state(struct drm_connector *connector); - -struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc); -void intel_crtc_destroy_state(struct drm_crtc *crtc, - struct drm_crtc_state *state); -struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev); -void intel_atomic_state_clear(struct drm_atomic_state *); - -static inline struct intel_crtc_state * -intel_atomic_get_crtc_state(struct drm_atomic_state *state, - struct intel_crtc *crtc) -{ - struct drm_crtc_state *crtc_state; - crtc_state = drm_atomic_get_crtc_state(state, &crtc->base); - if (IS_ERR(crtc_state)) - return ERR_CAST(crtc_state); - - return to_intel_crtc_state(crtc_state); -} - -int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv, - struct intel_crtc *intel_crtc, - struct intel_crtc_state *crtc_state); - -/* intel_atomic_plane.c */ -struct intel_plane *intel_plane_alloc(void); -void intel_plane_free(struct intel_plane *plane); -struct drm_plane_state *intel_plane_duplicate_state(struct drm_plane *plane); -void intel_plane_destroy_state(struct drm_plane *plane, - struct drm_plane_state *state); -extern const struct drm_plane_helper_funcs intel_plane_helper_funcs; -void skl_update_planes_on_crtc(struct intel_atomic_state *state, - struct intel_crtc *crtc); -void i9xx_update_planes_on_crtc(struct intel_atomic_state *state, - struct intel_crtc *crtc); -int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_state, - struct intel_crtc_state *crtc_state, - const struct intel_plane_state *old_plane_state, - struct intel_plane_state *intel_state); - -/* intel_color.c */ -void intel_color_init(struct intel_crtc *crtc); -int intel_color_check(struct intel_crtc_state *crtc_state); -void intel_color_commit(const struct intel_crtc_state *crtc_state); -void intel_color_load_luts(const struct intel_crtc_state *crtc_state); - -/* intel_lspcon.c */ -bool lspcon_init(struct intel_digital_port *intel_dig_port); -void lspcon_resume(struct intel_lspcon *lspcon); -void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon); -void lspcon_write_infoframe(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - unsigned int type, - const void *buf, ssize_t len); -void lspcon_set_infoframes(struct intel_encoder *encoder, - bool enable, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state); -bool lspcon_infoframe_enabled(struct intel_encoder *encoder, - const struct intel_crtc_state *pipe_config); -void lspcon_ycbcr420_config(struct drm_connector *connector, - struct intel_crtc_state *crtc_state); - -/* intel_pipe_crc.c */ -#ifdef CONFIG_DEBUG_FS -int intel_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name); -int intel_crtc_verify_crc_source(struct drm_crtc *crtc, - const char *source_name, size_t *values_cnt); -const char *const *intel_crtc_get_crc_sources(struct drm_crtc *crtc, - size_t *count); -void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc); -void intel_crtc_enable_pipe_crc(struct intel_crtc *crtc); -#else -#define intel_crtc_set_crc_source NULL -#define intel_crtc_verify_crc_source NULL -#define intel_crtc_get_crc_sources NULL -static inline void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc) -{ -} - -static inline void intel_crtc_enable_pipe_crc(struct intel_crtc *crtc) -{ -} -#endif -#endif /* __INTEL_DRV_H__ */ |