Merge tag 'drm-misc-next-2020-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.11:

UAPI Changes:

  - doc: rules for EBUSY on non-blocking commits; requirements for fourcc
    modifiers; on parsing EDID
  - fbdev/sbuslib: Remove unused FBIOSCURSOR32
  - fourcc: deprecate DRM_FORMAT_MOD_NONE
  - virtio: Support blob resources for memory allocations; Expose host-visible
    and cross-device features

Cross-subsystem Changes:

  - devicetree: Add vendor Prefix for Yes Optoelectronics, Shanghai Top Display
    Optoelectronics
  - dma-buf: Add struct dma_buf_map that stores DMA pointer and I/O-memory flag;
    dma_buf_vmap()/vunmap() return address in dma_buf_map; Use struct_size() macro

Core Changes:

  - atomic: pass full state to CRTC atomic enable/disable; warn for EBUSY during
    non-blocking commits
  - dp: Prepare for DP 2.0 DPCD
  - dp_mst: Receive extended DPCD caps
  - dma-buf: Documentation
  - doc: Format modifiers; dma-buf-map; Cleanups
  - fbdev: Don't use compat_alloc_user_space(); mark as orphaned
  - fb-helper: Take lock in drm_fb_helper_restore_work_fb()
  - gem: Convert implementation and drivers to GEM object functions, remove
    GEM callbacks from struct drm_driver (expect gem_prime_mmap)
  - panel: Cleanups
  - pci: Add legacy infix to drm_irq_by_busid()
  - sched: Avoid infinite waits in drm_sched_entity_destroy()
  - switcheroo: Cleanups
  - ttm: Remove AGP support; Don't modify caching during swapout; Major
    refactoring of the implementation and API that affects all depending
    drivers; Add ttm_bo_wait_ctx(); Add ttm_bo_pin()/unpin() in favor of
    TTM_PL_FLAG_NO_EVICT; Remove ttm_bo_create(); Remove fault_reserve_notify()
    callback; Push move() implementation into drivers; Remove TTM_PAGE_FLAG_WRITE;
    Replace caching flags with init-time cache setting; Push ttm_tt_bind() into
    drivers; Replace move_notify() with delete_mem_notify(); No overlapping memcpy();
    no more ttm_set_populated()
  - vram-helper: Fix BO top-down placement; TTM-related changes; Init GEM
    object functions with defaults; Default placement in system memory; Cleanups

Driver Changes:

  - amdgpu: Use GEM object functions
  - armada: Use GEM object functions
  - aspeed: Configure output via sysfs; Init struct drm_driver with
  - ast: Reload LUT after FB format changes
  - bridge: Add driver and DT bindings for anx7625; Cleanups
  - bridge/dw-hdmi: Constify ops
  - bridge/ti-sn65dsi86: Add retries for link training
  - bridge/lvds-codec: Add support for regulator
  - bridge/tc358768: Restore connector support DRM_GEM_CMA_DRIVEROPS; Cleanups
  - display/ti,j721e-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
    dma-coherent
  - display/ti,am65s-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
    dma-coherent
  - etnaviv: Use GEM object functions
  - exynos: Use GEM object functions
  - fbdev: Cleanups and compiler fixes throughout framebuffer drivers
  - fbdev/cirrusfb: Avoid division by 0
  - gma500: Use GEM object functions; Fix double-free of connector; Cleanups
  - hisilicon/hibmc: I2C-based DDC support; Use to_hibmc_drm_device(); Cleanups
  - i915: Use GEM object functions
  - imx/dcss: Init driver with DRM_GEM_CMA_DRIVER_OPS; Cleanups
  - ingenic: Reset pixel clock when parent clock changes; support reserved
    memory; Alloc F0 and F1 DMA channels at once; Support different pixel formats;
    Revert support for cached mmap buffers
    on F0/F1; support 30-bit/24-bit/8-bit-palette modes
  - komeda: Use DEFINE_SHOW_ATTRIBUTE
  - mcde: Detect platform_get_irq() errors
  - mediatek: Use GEM object functions
  - msm: Use GEM object functions
  - nouveau: Cleanups; TTM-related changes; Use GEM object functions
  - omapdrm: Use GEM object functions
  - panel: Add driver and DT bindings for Novatak nt36672a; Add driver and DT
    bindings for YTC700TLAG-05-201C; Add driver and DT bindings for TDO TL070WSH30;
    Cleanups
  - panel/mantix: Fix reset; Fix deref of NULL pointer in mantix_get_modes()
  - panel/otm8009a: Allow non-continuous dsi clock; Cleanups
  - panel/rm68200: Allow non-continuous dsi clock; Fix mode to 50 FPS
  - panfrost: Fix job timeout handling; Cleanups
  - pl111: Use GEM object functions
  - qxl: Cleanups; TTM-related changes; Pin new BOs with ttm_bo_init_reserved()
  - radeon: Cleanups; TTM-related changes; Use GEM object functions
  - rockchip: Use GEM object functions
  - shmobile: Cleanups
  - tegra: Use GEM object functions
  - tidss: Set drm_plane_helper_funcs.prepare_fb
  - tilcdc: Don't keep vblank interrupt enabled all the time
  - tve200: Detect platform_get_irq() errors
  - vc4: Use GEM object functions; Only register components once DSI is attached;
    Add Maxime as maintainer
  - vgem: Use GEM object functions
  - via: Simplify critical section in via_mem_alloc()
  - virtgpu: Use GEM object functions
  - virtio: Implement blob resources, host-visible and cross-device features;
    Support mapping of host-allocated resources; Use UUID APi; Cleanups
  - vkms: Use GEM object functions; Switch to SHMEM
  - vmwgfx: TTM-related changes; Inline ttm_bo_swapout_all()
  - xen: Use GEM object functions
  - xlnx: Use GEM object functions

Signed-off-by: Dave Airlie <[email protected]>

From: Thomas Zimmermann <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20201027100936.GA4858@linux-uq9g

1 files changed, 72 insertions, 6 deletions

diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index 2b424b2b85cc..771ad71cd340 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -193,12 +193,7 @@ DEFINE_DRM_GEM_CMA_FOPS(fops);
 
 static struct drm_driver aspeed_gfx_driver = {
 	.driver_features        = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
-	.gem_create_object	= drm_gem_cma_create_object_default_funcs,
-	.dumb_create		= drm_gem_cma_dumb_create,
-	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd,
-	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle,
-	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
-	.gem_prime_mmap		= drm_gem_prime_mmap,
+	DRM_GEM_CMA_DRIVER_OPS,
 	.fops = &fops,
 	.name = "aspeed-gfx-drm",
 	.desc = "ASPEED GFX DRM",
@@ -212,6 +207,69 @@ static const struct of_device_id aspeed_gfx_match[] = {
 	{ }
 };
 
+#define ASPEED_SCU_VGA0		0x50
+#define ASPEED_SCU_MISC_CTRL	0x2c
+
+static ssize_t dac_mux_store(struct device *dev, struct device_attribute *attr,
+			     const char *buf, size_t count)
+{
+	struct aspeed_gfx *priv = dev_get_drvdata(dev);
+	u32 val;
+	int rc;
+
+	rc = kstrtou32(buf, 0, &val);
+	if (rc)
+		return rc;
+
+	if (val > 3)
+		return -EINVAL;
+
+	rc = regmap_update_bits(priv->scu, ASPEED_SCU_MISC_CTRL, 0x30000, val << 16);
+	if (rc < 0)
+		return 0;
+
+	return count;
+}
+
+static ssize_t dac_mux_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct aspeed_gfx *priv = dev_get_drvdata(dev);
+	u32 reg;
+	int rc;
+
+	rc = regmap_read(priv->scu, ASPEED_SCU_MISC_CTRL, &reg);
+	if (rc)
+		return rc;
+
+	return sprintf(buf, "%u\n", (reg >> 16) & 0x3);
+}
+static DEVICE_ATTR_RW(dac_mux);
+
+static ssize_t
+vga_pw_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct aspeed_gfx *priv = dev_get_drvdata(dev);
+	u32 reg;
+	int rc;
+
+	rc = regmap_read(priv->scu, ASPEED_SCU_VGA0, &reg);
+	if (rc)
+		return rc;
+
+	return sprintf(buf, "%u\n", reg & 1);
+}
+static DEVICE_ATTR_RO(vga_pw);
+
+static struct attribute *aspeed_sysfs_entries[] = {
+	&dev_attr_vga_pw.attr,
+	&dev_attr_dac_mux.attr,
+	NULL,
+};
+
+static struct attribute_group aspeed_sysfs_attr_group = {
+	.attrs = aspeed_sysfs_entries,
+};
+
 static int aspeed_gfx_probe(struct platform_device *pdev)
 {
 	struct aspeed_gfx *priv;
@@ -226,6 +284,12 @@ static int aspeed_gfx_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	dev_set_drvdata(&pdev->dev, priv);
+
+	ret = sysfs_create_group(&pdev->dev.kobj, &aspeed_sysfs_attr_group);
+	if (ret)
+		return ret;
+
 	ret = drm_dev_register(&priv->drm, 0);
 	if (ret)
 		goto err_unload;
@@ -234,6 +298,7 @@ static int aspeed_gfx_probe(struct platform_device *pdev)
 	return 0;
 
 err_unload:
+	sysfs_remove_group(&pdev->dev.kobj, &aspeed_sysfs_attr_group);
 	aspeed_gfx_unload(&priv->drm);
 
 	return ret;
@@ -243,6 +308,7 @@ static int aspeed_gfx_remove(struct platform_device *pdev)
 {
 	struct drm_device *drm = platform_get_drvdata(pdev);
 
+	sysfs_remove_group(&pdev->dev.kobj, &aspeed_sysfs_attr_group);
 	drm_dev_unregister(drm);
 	aspeed_gfx_unload(drm);