diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_types.h | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 49 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 84 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.h | 7 |
5 files changed, 117 insertions, 40 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 926bf9c1a3ed..c83132d9dff0 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1211,6 +1211,7 @@ struct intel_crtc_state { bool has_psr2; bool enable_psr2_sel_fetch; bool req_psr2_sdp_prior_scanline; + bool has_panel_replay; bool wm_level_disabled; u32 dc3co_exitline; u16 su_y_granularity; @@ -1708,6 +1709,8 @@ struct intel_psr { bool irq_aux_error; u16 su_w_granularity; u16 su_y_granularity; + bool source_panel_replay_support; + bool sink_panel_replay_support; u32 dc3co_exitline; u32 dc3co_exit_delay; struct delayed_work dc3co_work; @@ -1994,17 +1997,6 @@ dp_to_lspcon(struct intel_dp *intel_dp) #define dp_to_i915(__intel_dp) to_i915(dp_to_dig_port(__intel_dp)->base.base.dev) -#define CAN_PSR(intel_dp) ((intel_dp)->psr.sink_support && \ - (intel_dp)->psr.source_support) - -static inline bool intel_encoder_can_psr(struct intel_encoder *encoder) -{ - if (!intel_encoder_is_dp(encoder)) - return false; - - return CAN_PSR(enc_to_intel_dp(encoder)); -} - static inline struct intel_digital_port * hdmi_to_dig_port(struct intel_hdmi *intel_hdmi) { diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 670cf535e7c6..03e520c43248 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2470,12 +2470,22 @@ static void intel_dp_compute_vsc_colorimetry(const struct intel_crtc_state *crtc struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - /* - * Prepare VSC Header for SU as per DP 1.4 spec, Table 2-118 - * VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/ - * Colorimetry Format indication. - */ - vsc->revision = 0x5; + if (crtc_state->has_panel_replay) { + /* + * Prepare VSC Header for SU as per DP 2.0 spec, Table 2-223 + * VSC SDP supporting 3D stereo, Panel Replay, and Pixel + * Encoding/Colorimetry Format indication. + */ + vsc->revision = 0x7; + } else { + /* + * Prepare VSC Header for SU as per DP 1.4 spec, Table 2-118 + * VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/ + * Colorimetry Format indication. + */ + vsc->revision = 0x5; + } + vsc->length = 0x13; /* DP 1.4a spec, Table 2-120 */ @@ -2584,6 +2594,21 @@ void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp, vsc->revision = 0x4; vsc->length = 0xe; } + } else if (crtc_state->has_panel_replay) { + if (intel_dp->psr.colorimetry_support && + intel_dp_needs_vsc_sdp(crtc_state, conn_state)) { + /* [Panel Replay with colorimetry info] */ + intel_dp_compute_vsc_colorimetry(crtc_state, conn_state, + vsc); + } else { + /* + * [Panel Replay without colorimetry info] + * Prepare VSC Header for SU as per DP 2.0 spec, Table 2-223 + * VSC SDP supporting 3D stereo + Panel Replay. + */ + vsc->revision = 0x6; + vsc->length = 0x10; + } } else { /* * [PSR1] @@ -4052,11 +4077,16 @@ static ssize_t intel_dp_vsc_sdp_pack(const struct drm_dp_vsc_sdp *vsc, sdp->sdp_header.HB2 = vsc->revision; /* Revision Number */ sdp->sdp_header.HB3 = vsc->length; /* Number of Valid Data Bytes */ + if (vsc->revision == 0x6) { + sdp->db[0] = 1; + sdp->db[3] = 1; + } + /* - * Only revision 0x5 supports Pixel Encoding/Colorimetry Format as - * per DP 1.4a spec. + * Revision 0x5 and revision 0x7 supports Pixel Encoding/Colorimetry + * Format as per DP 1.4a spec and DP 2.0 respectively. */ - if (vsc->revision != 0x5) + if (!(vsc->revision == 0x5 || vsc->revision == 0x7)) goto out; /* VSC SDP Payload for DB16 through DB18 */ @@ -5603,6 +5633,7 @@ intel_dp_detect(struct drm_connector *connector, if (status == connector_status_disconnected) { memset(&intel_dp->compliance, 0, sizeof(intel_dp->compliance)); memset(intel_connector->dp.dsc_dpcd, 0, sizeof(intel_connector->dp.dsc_dpcd)); + intel_dp->psr.sink_panel_replay_support = false; if (intel_dp->is_mst) { drm_dbg_kms(&dev_priv->drm, diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 107f7418ddc5..b943dbf394a2 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -44,6 +44,7 @@ #include "intel_hdcp.h" #include "intel_hotplug.h" #include "intel_link_bw.h" +#include "intel_psr.h" #include "intel_vdsc.h" #include "skl_scaler.h" @@ -592,6 +593,8 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, intel_ddi_compute_min_voltage_level(dev_priv, pipe_config); + intel_psr_compute_config(intel_dp, pipe_config, conn_state); + return 0; } diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 627d82164933..3ffdeb451a83 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -173,6 +173,15 @@ * irrelevant for normal operation. */ +bool intel_encoder_can_psr(struct intel_encoder *encoder) +{ + if (intel_encoder_is_dp(encoder) || encoder->type == INTEL_OUTPUT_DP_MST) + return CAN_PSR(enc_to_intel_dp(encoder)) || + CAN_PANEL_REPLAY(enc_to_intel_dp(encoder)); + else + return false; +} + static bool psr_global_enabled(struct intel_dp *intel_dp) { struct intel_connector *connector = intel_dp->attached_connector; @@ -475,6 +484,25 @@ exit: intel_dp->psr.su_y_granularity = y; } +static void _panel_replay_init_dpcd(struct intel_dp *intel_dp) +{ + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + u8 pr_dpcd = 0; + + intel_dp->psr.sink_panel_replay_support = false; + drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP, &pr_dpcd); + + if (!(pr_dpcd & DP_PANEL_REPLAY_SUPPORT)) { + drm_dbg_kms(&i915->drm, + "Panel replay is not supported by panel\n"); + return; + } + + drm_dbg_kms(&i915->drm, + "Panel replay is supported by panel\n"); + intel_dp->psr.sink_panel_replay_support = true; +} + static void _psr_init_dpcd(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = @@ -524,12 +552,13 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp) void intel_psr_init_dpcd(struct intel_dp *intel_dp) { + _panel_replay_init_dpcd(intel_dp); + drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd, sizeof(intel_dp->psr_dpcd)); if (intel_dp->psr_dpcd[0]) _psr_init_dpcd(intel_dp); - /* TODO: Add PR case here */ if (intel_dp->psr.sink_psr2_support) { intel_dp->psr.colorimetry_support = @@ -1271,13 +1300,11 @@ unsupported: return false; } -void intel_psr_compute_config(struct intel_dp *intel_dp, - struct intel_crtc_state *crtc_state, - struct drm_connector_state *conn_state) +static bool _psr_compute_config(struct intel_dp *intel_dp, + struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - const struct drm_display_mode *adjusted_mode = - &crtc_state->hw.adjusted_mode; + const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; u8 entry_setup_frames; /* @@ -1285,10 +1312,30 @@ void intel_psr_compute_config(struct intel_dp *intel_dp, * So if VRR is enabled, do not enable PSR. */ if (crtc_state->vrr.enable) - return; + return false; if (!CAN_PSR(intel_dp)) - return; + return false; + + entry_setup_frames = intel_psr_entry_setup_frames(intel_dp, adjusted_mode); + + if (entry_setup_frames >= 0) { + intel_dp->psr.entry_setup_frames = entry_setup_frames; + } else { + drm_dbg_kms(&dev_priv->drm, + "PSR condition failed: PSR setup timing not met\n"); + return false; + } + + return true; +} + +void intel_psr_compute_config(struct intel_dp *intel_dp, + struct intel_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; if (!psr_global_enabled(intel_dp)) { drm_dbg_kms(&dev_priv->drm, "PSR disabled by flag\n"); @@ -1307,17 +1354,11 @@ void intel_psr_compute_config(struct intel_dp *intel_dp, return; } - entry_setup_frames = intel_psr_entry_setup_frames(intel_dp, adjusted_mode); - - if (entry_setup_frames >= 0) { - intel_dp->psr.entry_setup_frames = entry_setup_frames; - } else { - drm_dbg_kms(&dev_priv->drm, - "PSR condition failed: PSR setup timing not met\n"); - return; - } + if (CAN_PANEL_REPLAY(intel_dp)) + crtc_state->has_panel_replay = true; + else + crtc_state->has_psr = _psr_compute_config(intel_dp, crtc_state); - crtc_state->has_psr = true; crtc_state->has_psr2 = intel_psr2_config_valid(intel_dp, crtc_state); crtc_state->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC); @@ -2750,7 +2791,7 @@ void intel_psr_init(struct intel_dp *intel_dp) struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - if (!HAS_PSR(dev_priv)) + if (!(HAS_PSR(dev_priv) || HAS_DP20(dev_priv))) return; /* @@ -2768,7 +2809,10 @@ void intel_psr_init(struct intel_dp *intel_dp) return; } - intel_dp->psr.source_support = true; + if (HAS_DP20(dev_priv) && !intel_dp_is_edp(intel_dp)) + intel_dp->psr.source_panel_replay_support = true; + else + intel_dp->psr.source_support = true; /* Set link_standby x link_off defaults */ if (DISPLAY_VER(dev_priv) < 12) diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h index bf35f42df6bc..6a1f4573852b 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.h +++ b/drivers/gpu/drm/i915/display/intel_psr.h @@ -21,6 +21,13 @@ struct intel_encoder; struct intel_plane; struct intel_plane_state; +#define CAN_PSR(intel_dp) ((intel_dp)->psr.sink_support && \ + (intel_dp)->psr.source_support) + +#define CAN_PANEL_REPLAY(intel_dp) ((intel_dp)->psr.sink_panel_replay_support && \ + (intel_dp)->psr.source_panel_replay_support) + +bool intel_encoder_can_psr(struct intel_encoder *encoder); void intel_psr_init_dpcd(struct intel_dp *intel_dp); void intel_psr_pre_plane_update(struct intel_atomic_state *state, struct intel_crtc *crtc); |