Merge tag 'drm-misc-next-2025-08-28' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for v6.18:

UAPI Changes:

atomic:
- Reallow no-op async page flips

Cross-subsystem Changes:

hid:
- i2c-hid: Make elan touch controllers power on after panel is enabled

video:
- Improve pixel-format handling for struct screen_info

Core Changes:

display:
- dp: Fix command length

Driver Changes:

amdxdna:
- Fixes

bridge:
- Add support for Radxa Ra620 plus DT bindings

msm:
- Fix VMA allocation

panel:
- ilitek-ili9881c: Refactor mode setting; Add support for Bestar
  BSD1218-A101KL68 LCD plus DT bindings
- lvds: Add support for Ampire AMP19201200B5TZQW-T03 to DT bindings

rockchip:
- dsi2: Add support for RK3576 plus DT bindings

stm:
- Clean up logging

vesadrm:
- Support 8-bit palette mode

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250828065714.GA11906@linux.fritz.box

31 files changed, 818 insertions, 222 deletions

diff --git a/Documentation/accel/amdxdna/amdnpu.rst b/Documentation/accel/amdxdna/amdnpu.rst
index fbe0a7585345..42e54904f9a8 100644
--- a/Documentation/accel/amdxdna/amdnpu.rst
+++ b/Documentation/accel/amdxdna/amdnpu.rst
@@ -223,13 +223,13 @@ Userspace components
 Compiler
 --------
 
-Peano is an LLVM based open-source compiler for AMD XDNA Array compute tile
-available at:
+Peano is an LLVM based open-source single core compiler for AMD XDNA Array
+compute tile. Peano is available at:
 https://github.com/Xilinx/llvm-aie
 
-The open-source IREE compiler supports graph compilation of ML models for AMD
-NPU and uses Peano underneath. It is available at:
-https://github.com/nod-ai/iree-amd-aie
+IRON is an open-source array compiler for AMD XDNA Array based NPU which uses
+Peano underneath. IRON is available at:
+https://github.com/Xilinx/mlir-aie
 
 Usermode Driver (UMD)
 ---------------------
diff --git a/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml b/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
index 43cf4df9811a..421f99ca42d9 100644
--- a/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
@@ -28,6 +28,7 @@ properties:
       - enum:
           - adi,adv7123
           - dumb-vga-dac
+          - radxa,ra620
           - ti,opa362
           - ti,ths8134
           - ti,ths8135
diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml
index a51af61d4846..434cc6af9c95 100644
--- a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml
+++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml
@@ -18,6 +18,7 @@ properties:
       - enum:
           - ampire,am8001280g
           - bananapi,lhr050h41
+          - bestar,bsd1218-a101kl68
           - feixin,k101-im2byl02
           - raspberrypi,dsi-7inch
           - startek,kd050hdfia020
diff --git a/Documentation/devicetree/bindings/display/panel/panel-lvds.yaml b/Documentation/devicetree/bindings/display/panel/panel-lvds.yaml
index fcb5834f799a..f8f95e772778 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-lvds.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-lvds.yaml
@@ -41,6 +41,8 @@ properties:
       - enum:
           # Admatec 9904379 10.1" 1024x600 LVDS panel
           - admatec,9904379
+          # Ampire AMP19201200B5TZQW-T03 10.1" WUXGA (1920x1200) color TFT LCD panel
+          - ampire,amp19201200b5tzqw-t03
           - auo,b101ew05
           # AUO G084SN05 V9 8.4" 800x600 LVDS panel
           - auo,g084sn05
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-mipi-dsi2.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-mipi-dsi2.yaml
index 53384e47b507..75cd1c13fa52 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-mipi-dsi2.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-mipi-dsi2.yaml
@@ -12,6 +12,7 @@ maintainers:
 properties:
   compatible:
     enum:
+      - rockchip,rk3576-mipi-dsi2
       - rockchip,rk3588-mipi-dsi2
 
   reg:
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 77160cd47f54..abc43c43813a 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -221,6 +221,8 @@ patternProperties:
     description: BeagleBoard.org Foundation
   "^belling,.*":
     description: Shanghai Belling Co., Ltd.
+  "^bestar,.*":
+    description: Shenzhen Bestar Electronic Technology Co., Ltd.
   "^bhf,.*":
     description: Beckhoff Automation GmbH & Co. KG
   "^bigtreetech,.*":
diff --git a/drivers/accel/amdxdna/aie2_pci.c b/drivers/accel/amdxdna/aie2_pci.c
index 16ac0cab4f44..7a3449541107 100644
--- a/drivers/accel/amdxdna/aie2_pci.c
+++ b/drivers/accel/amdxdna/aie2_pci.c
@@ -785,8 +785,9 @@ static int aie2_get_clock_metadata(struct amdxdna_client *client,
 
 static int aie2_hwctx_status_cb(struct amdxdna_hwctx *hwctx, void *arg)
 {
-	struct amdxdna_drm_query_hwctx __user *buf, *tmp __free(kfree) = NULL;
+	struct amdxdna_drm_query_hwctx *tmp __free(kfree) = NULL;
 	struct amdxdna_drm_get_info *get_info_args = arg;
+	struct amdxdna_drm_query_hwctx __user *buf;
 
 	if (get_info_args->buffer_size < sizeof(*tmp))
 		return -EINVAL;
diff --git a/drivers/gpu/drm/bridge/simple-bridge.c b/drivers/gpu/drm/bridge/simple-bridge.c
index 3d15ddd39470..1f16d568bcc4 100644
--- a/drivers/gpu/drm/bridge/simple-bridge.c
+++ b/drivers/gpu/drm/bridge/simple-bridge.c
@@ -262,6 +262,11 @@ static const struct of_device_id simple_bridge_match[] = {
 			.connector_type = DRM_MODE_CONNECTOR_VGA,
 		},
 	}, {
+		.compatible = "radxa,ra620",
+		.data = &(const struct simple_bridge_info) {
+			.connector_type = DRM_MODE_CONNECTOR_HDMIA,
+		},
+	}, {
 		.compatible = "ti,opa362",
 		.data = &(const struct simple_bridge_info) {
 			.connector_type = DRM_MODE_CONNECTOR_Composite,
diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c
index 1ecc3df7e316..4aaeae4fa03c 100644
--- a/drivers/gpu/drm/display/drm_dp_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_helper.c
@@ -3962,6 +3962,7 @@ int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct drm_edp_bac
 	int ret;
 	unsigned int offset = DP_EDP_BACKLIGHT_BRIGHTNESS_MSB;
 	u8 buf[3] = { 0 };
+	size_t len = 2;
 
 	/* The panel uses the PWM for controlling brightness levels */
 	if (!(bl->aux_set || bl->luminance_set))
@@ -3974,6 +3975,7 @@ int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct drm_edp_bac
 		buf[1] = (level & 0x00ff00) >> 8;
 		buf[2] = (level & 0xff0000) >> 16;
 		offset = DP_EDP_PANEL_TARGET_LUMINANCE_VALUE;
+		len = 3;
 	} else if (bl->lsb_reg_used) {
 		buf[0] = (level & 0xff00) >> 8;
 		buf[1] = (level & 0x00ff);
@@ -3981,7 +3983,7 @@ int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct drm_edp_bac
 		buf[0] = level;
 	}
 
-	ret = drm_dp_dpcd_write_data(aux, offset, buf, sizeof(buf));
+	ret = drm_dp_dpcd_write_data(aux, offset, buf, len);
 	if (ret < 0) {
 		drm_err(aux->drm_dev,
 			"%s: Failed to write aux backlight level: %d\n",
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index ecc73d52bfae..85dbdaa4a2e2 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -1078,19 +1078,20 @@ int drm_atomic_set_property(struct drm_atomic_state *state,
 		}
 
 		if (async_flip) {
-			/* check if the prop does a nop change */
-			if ((prop != config->prop_fb_id &&
-			     prop != config->prop_in_fence_fd &&
-			     prop != config->prop_fb_damage_clips)) {
-				ret = drm_atomic_plane_get_property(plane, plane_state,
-								    prop, &old_val);
-				ret = drm_atomic_check_prop_changes(ret, old_val, prop_value, prop);
-			}
+			/* no-op changes are always allowed */
+			ret = drm_atomic_plane_get_property(plane, plane_state,
+							    prop, &old_val);
+			ret = drm_atomic_check_prop_changes(ret, old_val, prop_value, prop);
 
-			/* ask the driver if this non-primary plane is supported */
-			if (plane->type != DRM_PLANE_TYPE_PRIMARY) {
-				ret = -EINVAL;
+			/* fail everything that isn't no-op or a pure flip */
+			if (ret && prop != config->prop_fb_id &&
+			    prop != config->prop_in_fence_fd &&
+			    prop != config->prop_fb_damage_clips) {
+				break;
+			}
 
+			if (ret && plane->type != DRM_PLANE_TYPE_PRIMARY) {
+				/* ask the driver if this non-primary plane is supported */
 				if (plane_funcs && plane_funcs->atomic_async_check)
 					ret = plane_funcs->atomic_async_check(plane, state, true);
 
diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c
index 37a3270bc3c2..131c1c9ae92f 100644
--- a/drivers/gpu/drm/drm_color_mgmt.c
+++ b/drivers/gpu/drm/drm_color_mgmt.c
@@ -817,6 +817,40 @@ void drm_crtc_load_palette_8(struct drm_crtc *crtc, const struct drm_color_lut *
 }
 EXPORT_SYMBOL(drm_crtc_load_palette_8);
 
+static void fill_palette_332(struct drm_crtc *crtc, u16 r, u16 g, u16 b,
+			     drm_crtc_set_lut_func set_palette)
+{
+	unsigned int i = (r << 5) | (g << 2) | b; /* 8-bit palette index */
+
+	/* Expand R (3-bit) G (3-bit) and B (2-bit) values to 16-bit values */
+	r = (r << 13) | (r << 10) | (r << 7) | (r << 4) | (r << 1) | (r >> 2);
+	g = (g << 13) | (g << 10) | (g << 7) | (g << 4) | (g << 1) | (g >> 2);
+	b = (b << 14) | (b << 12) | (b << 10) | (b << 8) | (b << 6) | (b << 4) | (b << 2) | b;
+
+	set_palette(crtc, i, r, g, b);
+}
+
+/**
+ * drm_crtc_fill_palette_332 - Programs a default palette for R332-like formats
+ * @crtc: The displaying CRTC
+ * @set_palette: Callback for programming the hardware gamma LUT
+ *
+ * Programs an RGB332 palette to hardware.
+ */
+void drm_crtc_fill_palette_332(struct drm_crtc *crtc, drm_crtc_set_lut_func set_palette)
+{
+	unsigned int r, g, b;
+
+	/* Limits of 8-8-4 are the maximum number of values for each channel. */
+	for (r = 0; r < 8; ++r) {
+		for (g = 0; g < 8; ++g) {
+			for (b = 0; b < 4; ++b)
+				fill_palette_332(crtc, r, g, b, set_palette);
+		}
+	}
+}
+EXPORT_SYMBOL(drm_crtc_fill_palette_332);
+
 static void fill_palette_8(struct drm_crtc *crtc, unsigned int i,
 			   drm_crtc_set_lut_func set_palette)
 {
diff --git a/drivers/gpu/drm/drm_format_helper.c b/drivers/gpu/drm/drm_format_helper.c
index 8f3daf38ca63..37d5e0a7eb46 100644
--- a/drivers/gpu/drm/drm_format_helper.c
+++ b/drivers/gpu/drm/drm_format_helper.c
@@ -1243,6 +1243,9 @@ int drm_fb_blit(struct iosys_map *dst, const unsigned int *dst_pitch, uint32_t d
 		} else if (dst_format == DRM_FORMAT_BGRX8888) {
 			drm_fb_swab(dst, dst_pitch, src, fb, clip, false, state);
 			return 0;
+		} else if (dst_format == DRM_FORMAT_RGB332) {
+			drm_fb_xrgb8888_to_rgb332(dst, dst_pitch, src, fb, clip, state);
+			return 0;
 		}
 	}
 
diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index d0183dea7703..4f65ce729a47 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -55,7 +55,8 @@ EXPORT_SYMBOL(drm_of_crtc_port_mask);
  * and generate the DRM mask of CRTCs which may be attached to this
  * encoder.
  *
- * See Documentation/devicetree/bindings/graph.txt for the bindings.
+ * See https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/graph.yaml
+ * for the bindings.
  */
 uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
 				    struct device_node *port)
@@ -106,7 +107,9 @@ EXPORT_SYMBOL_GPL(drm_of_component_match_add);
  * Parse the platform device OF node and bind all the components associated
  * with the master. Interface ports are added before the encoders in order to
  * satisfy their .bind requirements
- * See Documentation/devicetree/bindings/graph.txt for the bindings.
+ *
+ * See https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/graph.yaml
+ * for the bindings.
  *
  * Returns zero if successful, or one of the standard error codes if it fails.
  */
diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index c8bb28dccdc1..d1e6598ea3bc 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -134,6 +134,9 @@ void drm_panel_prepare(struct drm_panel *panel)
 	panel->prepared = true;
 
 	list_for_each_entry(follower, &panel->followers, list) {
+		if (!follower->funcs->panel_prepared)
+			continue;
+
 		ret = follower->funcs->panel_prepared(follower);
 		if (ret < 0)
 			dev_info(panel->dev, "%ps failed: %d\n",
@@ -179,6 +182,9 @@ void drm_panel_unprepare(struct drm_panel *panel)
 	mutex_lock(&panel->follower_lock);
 
 	list_for_each_entry(follower, &panel->followers, list) {
+		if (!follower->funcs->panel_unpreparing)
+			continue;
+
 		ret = follower->funcs->panel_unpreparing(follower);
 		if (ret < 0)
 			dev_info(panel->dev, "%ps failed: %d\n",
@@ -209,6 +215,7 @@ EXPORT_SYMBOL(drm_panel_unprepare);
  */
 void drm_panel_enable(struct drm_panel *panel)
 {
+	struct drm_panel_follower *follower;
 	int ret;
 
 	if (!panel)
@@ -219,10 +226,12 @@ void drm_panel_enable(struct drm_panel *panel)
 		return;
 	}
 
+	mutex_lock(&panel->follower_lock);
+
 	if (panel->funcs && panel->funcs->enable) {
 		ret = panel->funcs->enable(panel);
 		if (ret < 0)
-			return;
+			goto exit;
 	}
 	panel->enabled = true;
 
@@ -230,6 +239,19 @@ void drm_panel_enable(struct drm_panel *panel)
 	if (ret < 0)
 		DRM_DEV_INFO(panel->dev, "failed to enable backlight: %d\n",
 			     ret);
+
+	list_for_each_entry(follower, &panel->followers, list) {
+		if (!follower->funcs->panel_enabled)
+			continue;
+
+		ret = follower->funcs->panel_enabled(follower);
+		if (ret < 0)
+			dev_info(panel->dev, "%ps failed: %d\n",
+				 follower->funcs->panel_enabled, ret);
+	}
+
+exit:
+	mutex_unlock(&panel->follower_lock);
 }
 EXPORT_SYMBOL(drm_panel_enable);
 
@@ -243,6 +265,7 @@ EXPORT_SYMBOL(drm_panel_enable);
  */
 void drm_panel_disable(struct drm_panel *panel)
 {
+	struct drm_panel_follower *follower;
 	int ret;
 
 	if (!panel)
@@ -262,6 +285,18 @@ void drm_panel_disable(struct drm_panel *panel)
 		return;
 	}
 
+	mutex_lock(&panel->follower_lock);
+
+	list_for_each_entry(follower, &panel->followers, list) {
+		if (!follower->funcs->panel_disabling)
+			continue;
+
+		ret = follower->funcs->panel_disabling(follower);
+		if (ret < 0)
+			dev_info(panel->dev, "%ps failed: %d\n",
+				 follower->funcs->panel_disabling, ret);
+	}
+
 	ret = backlight_disable(panel->backlight);
 	if (ret < 0)
 		DRM_DEV_INFO(panel->dev, "failed to disable backlight: %d\n",
@@ -270,9 +305,12 @@ void drm_panel_disable(struct drm_panel *panel)
 	if (panel->funcs && panel->funcs->disable) {
 		ret = panel->funcs->disable(panel);
 		if (ret < 0)
-			return;
+			goto exit;
 	}
 	panel->enabled = false;
+
+exit:
+	mutex_unlock(&panel->follower_lock);
 }
 EXPORT_SYMBOL(drm_panel_disable);
 
@@ -539,13 +577,13 @@ EXPORT_SYMBOL(drm_is_panel_follower);
  * @follower_dev: The 'struct device' for the follower.
  * @follower:     The panel follower descriptor for the follower.
  *
- * A panel follower is called right after preparing the panel and right before
- * unpreparing the panel. It's primary intention is to power on an associated
- * touchscreen, though it could be used for any similar devices. Multiple
- * devices are allowed the follow the same panel.
+ * A panel follower is called right after preparing/enabling the panel and right
+ * before unpreparing/disabling the panel. It's primary intention is to power on
+ * an associated touchscreen, though it could be used for any similar devices.
+ * Multiple devices are allowed the follow the same panel.
  *
- * If a follower is added to a panel that's already been turned on, the
- * follower's prepare callback is called right away.
+ * If a follower is added to a panel that's already been prepared/enabled, the
+ * follower's prepared/enabled callback is called right away.
  *
  * The "panel" property of the follower points to the panel to be followed.
  *
@@ -569,12 +607,18 @@ int drm_panel_add_follower(struct device *follower_dev,
 	mutex_lock(&panel->follower_lock);
 
 	list_add_tail(&follower->list, &panel->followers);
-	if (panel->prepared) {
+	if (panel->prepared && follower->funcs->panel_prepared) {
 		ret = follower->funcs->panel_prepared(follower);
 		if (ret < 0)
 			dev_info(panel->dev, "%ps failed: %d\n",
 				 follower->funcs->panel_prepared, ret);
 	}
+	if (panel->enabled && follower->funcs->panel_enabled) {
+		ret = follower->funcs->panel_enabled(follower);
+		if (ret < 0)
+			dev_info(panel->dev, "%ps failed: %d\n",
+				 follower->funcs->panel_enabled, ret);
+	}
 
 	mutex_unlock(&panel->follower_lock);
 
@@ -587,7 +631,8 @@ EXPORT_SYMBOL(drm_panel_add_follower);
  * @follower:     The panel follower descriptor for the follower.
  *
  * Undo drm_panel_add_follower(). This includes calling the follower's
- * unprepare function if we're removed from a panel that's currently prepared.
+ * unpreparing/disabling function if we're removed from a panel that's currently
+ * prepared/enabled.
  *
  * Return: 0 or an error code.
  */
@@ -598,7 +643,13 @@ void drm_panel_remove_follower(struct drm_panel_follower *follower)
 
 	mutex_lock(&panel->follower_lock);
 
-	if (panel->prepared) {
+	if (panel->enabled && follower->funcs->panel_disabling) {
+		ret = follower->funcs->panel_disabling(follower);
+		if (ret < 0)
+			dev_info(panel->dev, "%ps failed: %d\n",
+				 follower->funcs->panel_disabling, ret);
+	}
+	if (panel->prepared && follower->funcs->panel_unpreparing) {
 		ret = follower->funcs->panel_unpreparing(follower);
 		if (ret < 0)
 			dev_info(panel->dev, "%ps failed: %d\n",
diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c
index 210604181c05..c632db9005e2 100644
--- a/drivers/gpu/drm/msm/msm_gem_vma.c
+++ b/drivers/gpu/drm/msm/msm_gem_vma.c
@@ -371,12 +371,6 @@ struct drm_gpuva *
 msm_gem_vma_new(struct drm_gpuvm *gpuvm, struct drm_gem_object *obj,
 		u64 offset, u64 range_start, u64 range_end)
 {
-	struct drm_gpuva_op_map op_map = {
-		.va.addr = range_start,
-		.va.range = range_end - range_start,
-		.gem.obj = obj,
-		.gem.offset = offset,
-	};
 	struct msm_gem_vm *vm = to_msm_vm(gpuvm);
 	struct drm_gpuvm_bo *vm_bo;
 	struct msm_gem_vma *vma;
@@ -405,6 +399,13 @@ msm_gem_vma_new(struct drm_gpuvm *gpuvm, struct drm_gem_object *obj,
 	if (obj)
 		GEM_WARN_ON((range_end - range_start) > obj->size);
 
+	struct drm_gpuva_op_map op_map = {
+		.va.addr = range_start,
+		.va.range = range_end - range_start,
+		.gem.obj = obj,
+		.gem.offset = offset,
+	};
+
 	drm_gpuva_init_from_op(&vma->base, &op_map);
 	vma->mapped = false;
 
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index ac433345a179..ad4993b2f92a 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -1417,6 +1417,200 @@ static const struct ili9881c_instr rpi_7inch_init[] = {
 	ILI9881C_COMMAND_INSTR(0xD3, 0x39),
 };
 
+static const struct ili9881c_instr bsd1218_a101kl68_init[] = {
+	ILI9881C_SWITCH_PAGE_INSTR(3),
+	ILI9881C_COMMAND_INSTR(0x01, 0x00),
+	ILI9881C_COMMAND_INSTR(0x02, 0x00),
+	ILI9881C_COMMAND_INSTR(0x03, 0x55),
+	ILI9881C_COMMAND_INSTR(0x04, 0x55),
+	ILI9881C_COMMAND_INSTR(0x05, 0x03),
+	ILI9881C_COMMAND_INSTR(0x06, 0x06),
+	ILI9881C_COMMAND_INSTR(0x07, 0x00),
+	ILI9881C_COMMAND_INSTR(0x08, 0x07),
+	ILI9881C_COMMAND_INSTR(0x09, 0x00),
+	ILI9881C_COMMAND_INSTR(0x0a, 0x00),
+	ILI9881C_COMMAND_INSTR(0x0b, 0x00),
+	ILI9881C_COMMAND_INSTR(0x0c, 0x00),
+	ILI9881C_COMMAND_INSTR(0x0d, 0x00),
+	ILI9881C_COMMAND_INSTR(0x0e, 0x00),
+	ILI9881C_COMMAND_INSTR(0x0f, 0x00),
+	ILI9881C_COMMAND_INSTR(0x10, 0x00),
+	ILI9881C_COMMAND_INSTR(0x11, 0x00),
+	ILI9881C_COMMAND_INSTR(0x12, 0x00),
+	ILI9881C_COMMAND_INSTR(0x13, 0x00),
+	ILI9881C_COMMAND_INSTR(0x14, 0x00),
+	ILI9881C_COMMAND_INSTR(0x15, 0x00),
+	ILI9881C_COMMAND_INSTR(0x16, 0x00),
+	ILI9881C_COMMAND_INSTR(0x17, 0x00),
+	ILI9881C_COMMAND_INSTR(0x18, 0x00),
+	ILI9881C_COMMAND_INSTR(0x19, 0x00),
+	ILI9881C_COMMAND_INSTR(0x1a, 0x00),
+	ILI9881C_COMMAND_INSTR(0x1b, 0x00),
+	ILI9881C_COMMAND_INSTR(0x1c, 0x00),
+	ILI9881C_COMMAND_INSTR(0x1d, 0x00),
+	ILI9881C_COMMAND_INSTR(0x1e, 0xc0),
+	ILI9881C_COMMAND_INSTR(0x1f, 0x80),
+	ILI9881C_COMMAND_INSTR(0x20, 0x04),
+	ILI9881C_COMMAND_INSTR(0x21, 0x03),
+	ILI9881C_COMMAND_INSTR(0x22, 0x00),
+	ILI9881C_COMMAND_INSTR(0x23, 0x00),
+	ILI9881C_COMMAND_INSTR(0x24, 0x00),
+	ILI9881C_COMMAND_INSTR(0x25, 0x00),
+	ILI9881C_COMMAND_INSTR(0x26, 0x00),
+	ILI9881C_COMMAND_INSTR(0x27, 0x00),
+	ILI9881C_COMMAND_INSTR(0x28, 0x33),
+	ILI9881C_COMMAND_INSTR(0x29, 0x33),
+	ILI9881C_COMMAND_INSTR(0x2a, 0x00),
+	ILI9881C_COMMAND_INSTR(0x2b, 0x00),
+	ILI9881C_COMMAND_INSTR(0x2c, 0x00),
+	ILI9881C_COMMAND_INSTR(0x2d, 0x00),
+	ILI9881C_COMMAND_INSTR(0x2e, 0x00),
+	ILI9881C_COMMAND_INSTR(0x2f, 0x00),
+	ILI9881C_COMMAND_INSTR(0x30, 0x00),
+	ILI9881C_COMMAND_INSTR(0x31, 0x00),
+	ILI9881C_COMMAND_INSTR(0x32, 0x00),
+	ILI9881C_COMMAND_INSTR(0x33, 0x00),
+	ILI9881C_COMMAND_INSTR(0x34, 0x04),
+	ILI9881C_COMMAND_INSTR(0x35, 0x00),
+	ILI9881C_COMMAND_INSTR(0x36, 0x00),
+	ILI9881C_COMMAND_INSTR(0x37, 0x00),
+	ILI9881C_COMMAND_INSTR(0x38, 0x3c),
+	ILI9881C_COMMAND_INSTR(0x39, 0x00),
+	ILI9881C_COMMAND_INSTR(0x3a, 0x00),
+	ILI9881C_COMMAND_INSTR(0x3b, 0x00),
+	ILI9881C_COMMAND_INSTR(0x3c, 0x00),
+	ILI9881C_COMMAND_INSTR(0x3d, 0x00),
+	ILI9881C_COMMAND_INSTR(0x3e, 0x00),
+	ILI9881C_COMMAND_INSTR(0x3f, 0x00),
+	ILI9881C_COMMAND_INSTR(0x40, 0x00),
+	ILI9881C_COMMAND_INSTR(0x41, 0x00),
+	ILI9881C_COMMAND_INSTR(0x42, 0x00),
+	ILI9881C_COMMAND_INSTR(0x43, 0x00),
+	ILI9881C_COMMAND_INSTR(0x44, 0x00),
+	ILI9881C_COMMAND_INSTR(0x50, 0x00),
+	ILI9881C_COMMAND_INSTR(0x51, 0x11),
+	ILI9881C_COMMAND_INSTR(0x52, 0x44),
+	ILI9881C_COMMAND_INSTR(0x53, 0x55),
+	ILI9881C_COMMAND_INSTR(0x54, 0x88),
+	ILI9881C_COMMAND_INSTR(0x55, 0xab),
+	ILI9881C_COMMAND_INSTR(0x56, 0x00),
+	ILI9881C_COMMAND_INSTR(0x57, 0x11),
+	ILI9881C_COMMAND_INSTR(0x58, 0x22),
+	ILI9881C_COMMAND_INSTR(0x59, 0x33),
+	ILI9881C_COMMAND_INSTR(0x5a, 0x44),
+	ILI9881C_COMMAND_INSTR(0x5b, 0x55),
+	ILI9881C_COMMAND_INSTR(0x5c, 0x66),
+	ILI9881C_COMMAND_INSTR(0x5d, 0x77),
+	ILI9881C_COMMAND_INSTR(0x5e, 0x00),
+	ILI9881C_COMMAND_INSTR(0x5f, 0x02),
+	ILI9881C_COMMAND_INSTR(0x60, 0x02),
+	ILI9881C_COMMAND_INSTR(0x61, 0x0a),
+	ILI9881C_COMMAND_INSTR(0x62, 0x09),
+	ILI9881C_COMMAND_INSTR(0x63, 0x08),
+	ILI9881C_COMMAND_INSTR(0x64, 0x13),
+	ILI9881C_COMMAND_INSTR(0x65, 0x12),
+	ILI9881C_COMMAND_INSTR(0x66, 0x11),
+	ILI9881C_COMMAND_INSTR(0x67, 0x10),
+	ILI9881C_COMMAND_INSTR(0x68, 0x0f),
+	ILI9881C_COMMAND_INSTR(0x69, 0x0e),
+	ILI9881C_COMMAND_INSTR(0x6a, 0x0d),
+	ILI9881C_COMMAND_INSTR(0x6b, 0x0c),
+	ILI9881C_COMMAND_INSTR(0x6c, 0x06),
+	ILI9881C_COMMAND_INSTR(0x6d, 0x07),
+	ILI9881C_COMMAND_INSTR(0x6e, 0x02),
+	ILI9881C_COMMAND_INSTR(0x6f, 0x02),
+	ILI9881C_COMMAND_INSTR(0x70, 0x02),
+	ILI9881C_COMMAND_INSTR(0x71, 0x02),
+	ILI9881C_COMMAND_INSTR(0x72, 0x02),
+	ILI9881C_COMMAND_INSTR(0x73, 0x02),
+	ILI9881C_COMMAND_INSTR(0x74, 0x02),
+	ILI9881C_COMMAND_INSTR(0x75, 0x02),
+	ILI9881C_COMMAND_INSTR(0x76, 0x02),
+	ILI9881C_COMMAND_INSTR(0x77, 0x0a),
+	ILI9881C_COMMAND_INSTR(0x78, 0x06),
+	ILI9881C_COMMAND_INSTR(0x79, 0x07),
+	ILI9881C_COMMAND_INSTR(0x7a, 0x10),
+	ILI9881C_COMMAND_INSTR(0x7b, 0x11),
+	ILI9881C_COMMAND_INSTR(0x7c, 0x12),
+	ILI9881C_COMMAND_INSTR(0x7d, 0x13),
+	ILI9881C_COMMAND_INSTR(0x7e, 0x0c),
+	ILI9881C_COMMAND_INSTR(0x7f, 0x0d),
+	ILI9881C_COMMAND_INSTR(0x80, 0x0e),
+	ILI9881C_COMMAND_INSTR(0x81, 0x0f),
+	ILI9881C_COMMAND_INSTR(0x82, 0x09),
+	ILI9881C_COMMAND_INSTR(0x83, 0x08),
+	ILI9881C_COMMAND_INSTR(0x84, 0x02),
+	ILI9881C_COMMAND_INSTR(0x85, 0x02),
+	ILI9881C_COMMAND_INSTR(0x86, 0x02),
+	ILI9881C_COMMAND_INSTR(0x87, 0x02),
+	ILI9881C_COMMAND_INSTR(0x88, 0x02),
+	ILI9881C_COMMAND_INSTR(0x89, 0x02),
+	ILI9881C_COMMAND_INSTR(0x8a, 0x02),
+
+	ILI9881C_SWITCH_PAGE_INSTR(4),
+	ILI9881C_COMMAND_INSTR(0x6e, 0x2a),
+	ILI9881C_COMMAND_INSTR(0x6f, 0x37),
+	ILI9881C_COMMAND_INSTR(0x3a, 0x24),
+	ILI9881C_COMMAND_INSTR(0x8d, 0x19),
+	ILI9881C_COMMAND_INSTR(0x87, 0xba),
+	ILI9881C_COMMAND_INSTR(0xb2, 0xd1),
+	ILI9881C_COMMAND_INSTR(0x88, 0x0b),
+	ILI9881C_COMMAND_INSTR(0x38, 0x01),
+	ILI9881C_COMMAND_INSTR(0x39, 0x00),
+	ILI9881C_COMMAND_INSTR(0xb5, 0x02),
+	ILI9881C_COMMAND_INSTR(0x31, 0x25),
+	ILI9881C_COMMAND_INSTR(0x3b, 0x98),
+
+	ILI9881C_SWITCH_PAGE_INSTR(1),
+	ILI9881C_COMMAND_INSTR(0x22, 0x0a),
+	ILI9881C_COMMAND_INSTR(0x31, 0x0c),
+	ILI9881C_COMMAND_INSTR(0x53, 0x40),
+	ILI9881C_COMMAND_INSTR(0x55, 0x45),
+	ILI9881C_COMMAND_INSTR(0x50, 0xb7),
+	ILI9881C_COMMAND_INSTR(0x51, 0xb2),
+	ILI9881C_COMMAND_INSTR(0x60, 0x07),
+	ILI9881C_COMMAND_INSTR(0xa0, 0x22),
+	ILI9881C_COMMAND_INSTR(0xa1, 0x3f),
+	ILI9881C_COMMAND_INSTR(0xa2, 0x4e),
+	ILI9881C_COMMAND_INSTR(0xa3, 0x17),
+	ILI9881C_COMMAND_INSTR(0xa4, 0x1a),
+	ILI9881C_COMMAND_INSTR(0xa5, 0x2d),
+	ILI9881C_COMMAND_INSTR(0xa6, 0x21),
+	ILI9881C_COMMAND_INSTR(0xa7, 0x22),
+	ILI9881C_COMMAND_INSTR(0xa8, 0xc4),
+	ILI9881C_COMMAND_INSTR(0xa9, 0x1b),
+	ILI9881C_COMMAND_INSTR(0xaa, 0x25),
+	ILI9881C_COMMAND_INSTR(0xab, 0xa7),
+	ILI9881C_COMMAND_INSTR(0xac, 0x1a),
+	ILI9881C_COMMAND_INSTR(0xad, 0x19),
+	ILI9881C_COMMAND_INSTR(0xae, 0x4b),
+	ILI9881C_COMMAND_INSTR(0xaf, 0x1f),
+	ILI9881C_COMMAND_INSTR(0xb0, 0x2a),
+	ILI9881C_COMMAND_INSTR(0xb1, 0x59),
+	ILI9881C_COMMAND_INSTR(0xb2, 0x64),
+	ILI9881C_COMMAND_INSTR(0xb3, 0x3f),
+	ILI9881C_COMMAND_INSTR(0xc0, 0x22),
+	ILI9881C_COMMAND_INSTR(0xc1, 0x48),
+	ILI9881C_COMMAND_INSTR(0xc2, 0x59),
+	ILI9881C_COMMAND_INSTR(0xc3, 0x15),
+	ILI9881C_COMMAND_INSTR(0xc4, 0x15),
+	ILI9881C_COMMAND_INSTR(0xc5, 0x28),
+	ILI9881C_COMMAND_INSTR(0xc6, 0x1c),
+	ILI9881C_COMMAND_INSTR(0xc7, 0x1e),
+	ILI9881C_COMMAND_INSTR(0xc8, 0xc4),
+	ILI9881C_COMMAND_INSTR(0xc9, 0x1c),
+	ILI9881C_COMMAND_INSTR(0xca, 0x2b),
+	ILI9881C_COMMAND_INSTR(0xcb, 0xa3),
+	ILI9881C_COMMAND_INSTR(0xcc, 0x1f),
+	ILI9881C_COMMAND_INSTR(0xcd, 0x1e),
+	ILI9881C_COMMAND_INSTR(0xce, 0x52),
+	ILI9881C_COMMAND_INSTR(0xcf, 0x24),
+	ILI9881C_COMMAND_INSTR(0xd0, 0x2a),
+	ILI9881C_COMMAND_INSTR(0xd1, 0x58),
+	ILI9881C_COMMAND_INSTR(0xd2, 0x68),
+	ILI9881C_COMMAND_INSTR(0xd3, 0x3f),
+};
+
 static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
 {
 	return container_of(panel, struct ili9881c, panel);
@@ -1433,33 +1627,24 @@ static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
  * So before any attempt at sending a command or data, we have to be
  * sure if we're in the right page or not.
  */
-static int ili9881c_switch_page(struct ili9881c *ctx, u8 page)
+static void ili9881c_switch_page(struct mipi_dsi_multi_context *mctx, u8 page)
 {
 	u8 buf[4] = { 0xff, 0x98, 0x81, page };
-	int ret;
-
-	ret = mipi_dsi_dcs_write_buffer(ctx->dsi, buf, sizeof(buf));
-	if (ret < 0)
-		return ret;
 
-	return 0;
+	mipi_dsi_dcs_write_buffer_multi(mctx, buf, sizeof(buf));
 }
 
-static int ili9881c_send_cmd_data(struct ili9881c *ctx, u8 cmd, u8 data)
+static void ili9881c_send_cmd_data(struct mipi_dsi_multi_context *mctx, u8 cmd, u8 data)
 {
 	u8 buf[2] = { cmd, data };
-	int ret;
-
-	ret = mipi_dsi_dcs_write_buffer(ctx->dsi, buf, sizeof(buf));
-	if (ret < 0)
-		return ret;
 
-	return 0;
+	mipi_dsi_dcs_write_buffer_multi(mctx, buf, sizeof(buf));
 }
 
 static int ili9881c_prepare(struct drm_panel *panel)
 {
 	struct ili9881c *ctx = panel_to_ili9881c(panel);
+	struct mipi_dsi_multi_context mctx = { .dsi = ctx->dsi };
 	unsigned int i;
 	int ret;
 
@@ -1480,61 +1665,39 @@ static int ili9881c_prepare(struct drm_panel *panel)
 		const struct ili9881c_instr *instr = &ctx->desc->init[i];
 
 		if (instr->op == ILI9881C_SWITCH_PAGE)
-			ret = ili9881c_switch_page(ctx, instr->arg.page);
+			ili9881c_switch_page(&mctx, instr->arg.page);
 		else if (instr->op == ILI9881C_COMMAND)
-			ret = ili9881c_send_cmd_data(ctx, instr->arg.cmd.cmd,
-						      instr->arg.cmd.data);
-
-		if (ret)
-			return ret;
+			ili9881c_send_cmd_data(&mctx, instr->arg.cmd.cmd,
+					       instr->arg.cmd.data);
 	}
 
-	ret = ili9881c_switch_page(ctx, 0);
-	if (ret)
-		return ret;
-
-	if (ctx->address_mode) {
-		ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_ADDRESS_MODE,
-					 &ctx->address_mode,
-					 sizeof(ctx->address_mode));
-		if (ret < 0)
-			return ret;
-	}
-
-	ret = mipi_dsi_dcs_set_tear_on(ctx->dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
-	if (ret)
-		return ret;
-
-	ret = mipi_dsi_dcs_exit_sleep_mode(ctx->dsi);
-	if (ret)
-		return ret;
+	ili9881c_switch_page(&mctx, 0);
 
-	return 0;
-}
+	if (ctx->address_mode)
+		ili9881c_send_cmd_data(&mctx, MIPI_DCS_SET_ADDRESS_MODE,
+				       ctx->address_mode);
 
-static int ili9881c_enable(struct drm_panel *panel)
-{
-	struct ili9881c *ctx = panel_to_ili9881c(panel);
-
-	msleep(120);
-
-	mipi_dsi_dcs_set_display_on(ctx->dsi);
+	mipi_dsi_dcs_set_tear_on_multi(&mctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
+	mipi_dsi_dcs_exit_sleep_mode_multi(&mctx);
+	mipi_dsi_msleep(&mctx, 120);
+	mipi_dsi_dcs_set_display_on_multi(&mctx);
+	if (mctx.accum_err)
+		goto disable_power;
 
 	return 0;
-}
 
-static int ili9881c_disable(struct drm_panel *panel)
-{
-	struct ili9881c *ctx = panel_to_ili9881c(panel);
-
-	return mipi_dsi_dcs_set_display_off(ctx->dsi);
+disable_power:
+	regulator_disable(ctx->power);
+	return mctx.accum_err;
 }
 
 static int ili9881c_unprepare(struct drm_panel *panel)
 {
 	struct ili9881c *ctx = panel_to_ili9881c(panel);
+	struct mipi_dsi_multi_context mctx = { .dsi = ctx->dsi };
 
-	mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);
+	mipi_dsi_dcs_set_display_off_multi(&mctx);
+	mipi_dsi_dcs_enter_sleep_mode_multi(&mctx);
 	regulator_disable(ctx->power);
 	gpiod_set_value_cansleep(ctx->reset, 1);
 
@@ -1660,6 +1823,23 @@ static const struct drm_display_mode rpi_7inch_default_mode = {
 	.height_mm	= 151,
 };
 
+static const struct drm_display_mode bsd1218_a101kl68_default_mode = {
+	.clock		= 70000,
+
+	.hdisplay	= 800,
+	.hsync_start	= 800 + 40,
+	.hsync_end	= 800 + 40 + 20,
+	.htotal		= 800 + 40 + 20 + 20,
+
+	.vdisplay	= 1280,
+	.vsync_start	= 1280 + 20,
+	.vsync_end	= 1280 + 20 + 4,
+	.vtotal		= 1280 + 20 + 4 + 20,
+
+	.width_mm	= 120,
+	.height_mm	= 170,
+};
+
 static int ili9881c_get_modes(struct drm_panel *panel,
 			      struct drm_connector *connector)
 {
@@ -1706,8 +1886,6 @@ static enum drm_panel_orientation ili9881c_get_orientation(struct drm_panel *pan
 static const struct drm_panel_funcs ili9881c_funcs = {
 	.prepare	= ili9881c_prepare,
 	.unprepare	= ili9881c_unprepare,
-	.enable		= ili9881c_enable,
-	.disable	= ili9881c_disable,
 	.get_modes	= ili9881c_get_modes,
 	.get_orientation = ili9881c_get_orientation,
 };
@@ -1830,8 +2008,18 @@ static const struct ili9881c_desc rpi_7inch_desc = {
 	.lanes = 2,
 };
 
+static const struct ili9881c_desc bsd1218_a101kl68_desc = {
+	.init = bsd1218_a101kl68_init,
+	.init_length = ARRAY_SIZE(bsd1218_a101kl68_init),
+	.mode = &bsd1218_a101kl68_default_mode,
+	.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+		      MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET,
+	.lanes = 4,
+};
+
 static const struct of_device_id ili9881c_of_match[] = {
 	{ .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
+	{ .compatible = "bestar,bsd1218-a101kl68", .data = &bsd1218_a101kl68_desc },
 	{ .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
 	{ .compatible = "startek,kd050hdfia020", .data = &kd050hdfia020_desc },
 	{ .compatible = "tdo,tl050hdv35", .data = &tl050hdv35_desc },
diff --git a/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
index 83656bb4b0b2..23462065d726 100644
--- a/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
+++ b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
@@ -233,8 +233,10 @@ static int jdi_panel_prepare(struct drm_panel *panel)
 	mipi_dsi_dual(mipi_dsi_dcs_set_display_on_multi,
 		      &dsi_ctx, jdi->link1, jdi->link2);
 
-	if (dsi_ctx.accum_err < 0)
+	if (dsi_ctx.accum_err < 0) {
+		err = dsi_ctx.accum_err;
 		goto poweroff;
+	}
 
 	jdi->link1->mode_flags &= ~MIPI_DSI_MODE_LPM;
 	jdi->link2->mode_flags &= ~MIPI_DSI_MODE_LPM;
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
index cdd490778756..0aea764e29b2 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
@@ -437,6 +437,15 @@ static void dw_mipi_dsi2_rockchip_remove(struct platform_device *pdev)
 	dw_mipi_dsi2_remove(dsi2->dmd);
 }
 
+static const struct dsigrf_reg rk3576_dsi_grf_reg_fields[MAX_FIELDS] = {
+	[TXREQCLKHS_EN]		= { 0x0028, 1,  1 },
+	[GATING_EN]		= { 0x0028, 0,  0 },
+	[IPI_SHUTDN]		= { 0x0028, 3,  3 },
+	[IPI_COLORM]		= { 0x0028, 2,  2 },
+	[IPI_COLOR_DEPTH]	= { 0x0028, 8, 11 },
+	[IPI_FORMAT]		= { 0x0028, 4,  7 },
+};
+
 static const struct dsigrf_reg rk3588_dsi0_grf_reg_fields[MAX_FIELDS] = {
 	[TXREQCLKHS_EN]		= { 0x0000, 11, 11 },
 	[GATING_EN]		= { 0x0000, 10, 10 },
@@ -455,6 +464,15 @@ static const struct dsigrf_reg rk3588_dsi1_grf_reg_fields[MAX_FIELDS] = {
 	[IPI_FORMAT]		= { 0x0004,  0,  3 },
 };
 
+static const struct rockchip_dw_dsi2_chip_data rk3576_chip_data[] = {
+	{
+		.reg = 0x27d80000,
+		.grf_regs = rk3576_dsi_grf_reg_fields,
+		.max_bit_rate_per_lane = 2500000ULL,
+	},
+	{ /* sentinel */ }
+};
+
 static const struct rockchip_dw_dsi2_chip_data rk3588_chip_data[] = {
 	{
 		.reg = 0xfde20000,
@@ -470,6 +488,9 @@ static const struct rockchip_dw_dsi2_chip_data rk3588_chip_data[] = {
 
 static const struct of_device_id dw_mipi_dsi2_rockchip_dt_ids[] = {
 	{
+		.compatible = "rockchip,rk3576-mipi-dsi2",
+		.data = &rk3576_chip_data,
+	}, {
 		.compatible = "rockchip,rk3588-mipi-dsi2",
 		.data = &rk3588_chip_data,
 	},
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index ba315c66a04d..b9477fbec1c1 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -641,7 +641,7 @@ static inline void ltdc_set_ycbcr_config(struct drm_plane *plane, u32 drm_pix_fm
 		break;
 	default:
 		/* RGB or not a YCbCr supported format */
-		DRM_ERROR("Unsupported pixel format: %u\n", drm_pix_fmt);
+		drm_err(plane->dev, "Unsupported pixel format: %u\n", drm_pix_fmt);
 		return;
 	}
 
@@ -664,18 +664,19 @@ static inline void ltdc_set_ycbcr_coeffs(struct drm_plane *plane)
 	u32 lofs = plane->index * LAY_OFS;
 
 	if (enc != DRM_COLOR_YCBCR_BT601 && enc != DRM_COLOR_YCBCR_BT709) {
-		DRM_ERROR("color encoding %d not supported, use bt601 by default\n", enc);
+		drm_err(plane->dev, "color encoding %d not supported, use bt601 by default\n", enc);
 		/* set by default color encoding to DRM_COLOR_YCBCR_BT601 */
 		enc = DRM_COLOR_YCBCR_BT601;
 	}
 
 	if (ran != DRM_COLOR_YCBCR_LIMITED_RANGE && ran != DRM_COLOR_YCBCR_FULL_RANGE) {
-		DRM_ERROR("color range %d not supported, use limited range by default\n", ran);
+		drm_err(plane->dev,
+			"color range %d not supported, use limited range by default\n", ran);
 		/* set by default color range to DRM_COLOR_YCBCR_LIMITED_RANGE */
 		ran = DRM_COLOR_YCBCR_LIMITED_RANGE;
 	}
 
-	DRM_DEBUG_DRIVER("Color encoding=%d, range=%d\n", enc, ran);
+	drm_err(plane->dev, "Color encoding=%d, range=%d\n", enc, ran);
 	regmap_write(ldev->regmap, LTDC_L1CYR0R + lofs,
 		     ltdc_ycbcr2rgb_coeffs[enc][ran][0]);
 	regmap_write(ldev->regmap, LTDC_L1CYR1R + lofs,
@@ -774,7 +775,7 @@ static void ltdc_crtc_atomic_enable(struct drm_crtc *crtc,
 	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
 	struct drm_device *ddev = crtc->dev;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(crtc->dev, "\n");
 
 	pm_runtime_get_sync(ddev->dev);
 
@@ -798,7 +799,7 @@ static void ltdc_crtc_atomic_disable(struct drm_crtc *crtc,
 	struct drm_device *ddev = crtc->dev;
 	int layer_index = 0;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(crtc->dev, "\n");
 
 	drm_crtc_vblank_off(crtc);
 
@@ -837,7 +838,7 @@ ltdc_crtc_mode_valid(struct drm_crtc *crtc,
 
 	result = clk_round_rate(ldev->pixel_clk, target);
 
-	DRM_DEBUG_DRIVER("clk rate target %d, available %d\n", target, result);
+	drm_dbg_driver(crtc->dev, "clk rate target %d, available %d\n", target, result);
 
 	/* Filter modes according to the max frequency supported by the pads */
 	if (result > ldev->caps.pad_max_freq_hz)
@@ -872,14 +873,14 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc,
 	int rate = mode->clock * 1000;
 
 	if (clk_set_rate(ldev->pixel_clk, rate) < 0) {
-		DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate);
+		drm_err(crtc->dev, "Cannot set rate (%dHz) for pixel clk\n", rate);
 		return false;
 	}
 
 	adjusted_mode->clock = clk_get_rate(ldev->pixel_clk) / 1000;
 
-	DRM_DEBUG_DRIVER("requested clock %dkHz, adjusted clock %dkHz\n",
-			 mode->clock, adjusted_mode->clock);
+	drm_dbg_driver(crtc->dev, "requested clock %dkHz, adjusted clock %dkHz\n",
+		       mode->clock, adjusted_mode->clock);
 
 	return true;
 }
@@ -934,20 +935,20 @@ static void ltdc_crtc_mode_set_nofb(struct drm_crtc *crtc)
 	if (!pm_runtime_active(ddev->dev)) {
 		ret = pm_runtime_get_sync(ddev->dev);
 		if (ret) {
-			DRM_ERROR("Failed to set mode, cannot get sync\n");
+			drm_err(crtc->dev, "Failed to set mode, cannot get sync\n");
 			return;
 		}
 	}
 
-	DRM_DEBUG_DRIVER("CRTC:%d mode:%s\n", crtc->base.id, mode->name);
-	DRM_DEBUG_DRIVER("Video mode: %dx%d", mode->hdisplay, mode->vdisplay);
-	DRM_DEBUG_DRIVER(" hfp %d hbp %d hsl %d vfp %d vbp %d vsl %d\n",
-			 mode->hsync_start - mode->hdisplay,
-			 mode->htotal - mode->hsync_end,
-			 mode->hsync_end - mode->hsync_start,
-			 mode->vsync_start - mode->vdisplay,
-			 mode->vtotal - mode->vsync_end,
-			 mode->vsync_end - mode->vsync_start);
+	drm_dbg_driver(crtc->dev, "CRTC:%d mode:%s\n", crtc->base.id, mode->name);
+	drm_dbg_driver(crtc->dev, "Video mode: %dx%d", mode->hdisplay, mode->vdisplay);
+	drm_dbg_driver(crtc->dev, " hfp %d hbp %d hsl %d vfp %d vbp %d vsl %d\n",
+		       mode->hsync_start - mode->hdisplay,
+		       mode->htotal - mode->hsync_end,
+		       mode->hsync_end - mode->hsync_start,
+		       mode->vsync_start - mode->vdisplay,
+		       mode->vtotal - mode->vsync_end,
+		       mode->vsync_end - mode->vsync_start);
 
 	/* Convert video timings to ltdc timings */
 	hsync = mode->hsync_end - mode->hsync_start - 1;
@@ -1033,7 +1034,7 @@ static void ltdc_crtc_atomic_flush(struct drm_crtc *crtc,
 	struct drm_device *ddev = crtc->dev;
 	struct drm_pending_vblank_event *event = crtc->state->event;
 
-	DRM_DEBUG_ATOMIC("\n");
+	drm_dbg_atomic(crtc->dev, "\n");
 
 	ltdc_crtc_update_clut(crtc);
 
@@ -1121,7 +1122,7 @@ static int ltdc_crtc_enable_vblank(struct drm_crtc *crtc)
 	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
 	struct drm_crtc_state *state = crtc->state;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(crtc->dev, "\n");
 
 	if (state->enable)
 		regmap_set_bits(ldev->regmap, LTDC_IER, IER_LIE);
@@ -1135,7 +1136,7 @@ static void ltdc_crtc_disable_vblank(struct drm_crtc *crtc)
 {
 	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(crtc->dev, "\n");
 	regmap_clear_bits(ldev->regmap, LTDC_IER, IER_LIE);
 }
 
@@ -1144,11 +1145,11 @@ static int ltdc_crtc_set_crc_source(struct drm_crtc *crtc, const char *source)
 	struct ltdc_device *ldev;
 	int ret;
 
-	DRM_DEBUG_DRIVER("\n");
-
 	if (!crtc)
 		return -ENODEV;
 
+	drm_dbg_driver(crtc->dev, "\n");
+
 	ldev = crtc_to_ltdc(crtc);
 
 	if (source && strcmp(source, "auto") == 0) {
@@ -1168,14 +1169,14 @@ static int ltdc_crtc_set_crc_source(struct drm_crtc *crtc, const char *source)
 static int ltdc_crtc_verify_crc_source(struct drm_crtc *crtc,
 				       const char *source, size_t *values_cnt)
 {
-	DRM_DEBUG_DRIVER("\n");
-
 	if (!crtc)
 		return -ENODEV;
 
+	drm_dbg_driver(crtc->dev, "\n");
+
 	if (source && strcmp(source, "auto") != 0) {
-		DRM_DEBUG_DRIVER("Unknown CRC source %s for %s\n",
-				 source, crtc->name);
+		drm_dbg_driver(crtc->dev, "Unknown CRC source %s for %s\n",
+			       source, crtc->name);
 		return -EINVAL;
 	}
 
@@ -1233,7 +1234,7 @@ static int ltdc_plane_atomic_check(struct drm_plane *plane,
 	struct drm_framebuffer *fb = new_plane_state->fb;
 	u32 src_w, src_h;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(plane->dev, "\n");
 
 	if (!fb)
 		return 0;
@@ -1244,7 +1245,7 @@ static int ltdc_plane_atomic_check(struct drm_plane *plane,
 
 	/* Reject scaling */
 	if (src_w != new_plane_state->crtc_w || src_h != new_plane_state->crtc_h) {
-		DRM_DEBUG_DRIVER("Scaling is not supported");
+		drm_dbg_driver(plane->dev, "Scaling is not supported");
 
 		return -EINVAL;
 	}
@@ -1270,7 +1271,7 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
 	enum ltdc_pix_fmt pf;
 
 	if (!newstate->crtc || !fb) {
-		DRM_DEBUG_DRIVER("fb or crtc NULL");
+		drm_dbg_driver(plane->dev, "fb or crtc NULL");
 		return;
 	}
 
@@ -1280,11 +1281,11 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
 	src_w = newstate->src_w >> 16;
 	src_h = newstate->src_h >> 16;
 
-	DRM_DEBUG_DRIVER("plane:%d fb:%d (%dx%d)@(%d,%d) -> (%dx%d)@(%d,%d)\n",
-			 plane->base.id, fb->base.id,
-			 src_w, src_h, src_x, src_y,
-			 newstate->crtc_w, newstate->crtc_h,
-			 newstate->crtc_x, newstate->crtc_y);
+	drm_dbg_driver(plane->dev, "plane:%d fb:%d (%dx%d)@(%d,%d) -> (%dx%d)@(%d,%d)\n",
+		       plane->base.id, fb->base.id,
+		       src_w, src_h, src_x, src_y,
+		       newstate->crtc_w, newstate->crtc_h,
+		       newstate->crtc_x, newstate->crtc_y);
 
 	regmap_read(ldev->regmap, LTDC_BPCR, &bpcr);
 
@@ -1312,8 +1313,8 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
 		val = ltdc_set_flexible_pixel_format(plane, pf);
 
 	if (val == NB_PF) {
-		DRM_ERROR("Pixel format %.4s not supported\n",
-			  (char *)&fb->format->format);
+		drm_err(fb->dev, "Pixel format %.4s not supported\n",
+			(char *)&fb->format->format);
 		val = 0;	/* set by default ARGB 32 bits */
 	}
 	regmap_write_bits(ldev->regmap, LTDC_L1PFCR + lofs, LXPFCR_PF, val);
@@ -1350,7 +1351,7 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
 	if (newstate->rotation & DRM_MODE_REFLECT_Y)
 		paddr += (fb->pitches[0] * (y1 - y0));
 
-	DRM_DEBUG_DRIVER("fb: phys 0x%08x", paddr);
+	drm_dbg_driver(fb->dev, "fb: phys 0x%08x", paddr);
 	regmap_write(ldev->regmap, LTDC_L1CFBAR + lofs, paddr);
 
 	/* Configures the color frame buffer pitch in bytes & line length */
@@ -1517,8 +1518,8 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane,
 		regmap_write_bits(ldev->regmap, LTDC_L1RCR + lofs,
 				  LXRCR_IMR | LXRCR_VBR | LXRCR_GRMSK, LXRCR_VBR);
 
-	DRM_DEBUG_DRIVER("CRTC:%d plane:%d\n",
-			 oldstate->crtc->base.id, plane->base.id);
+	drm_dbg_driver(plane->dev, "CRTC:%d plane:%d\n",
+		       oldstate->crtc->base.id, plane->base.id);
 }
 
 static void ltdc_plane_atomic_print_state(struct drm_printer *p,
@@ -1632,7 +1633,7 @@ static struct drm_plane *ltdc_plane_create(struct drm_device *ddev,
 
 	drm_plane_create_alpha_property(plane);
 
-	DRM_DEBUG_DRIVER("plane:%d created\n", plane->base.id);
+	drm_dbg_driver(plane->dev, "plane:%d created\n", plane->base.id);
 
 	return plane;
 }
@@ -1647,7 +1648,7 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
 
 	primary = ltdc_plane_create(ddev, DRM_PLANE_TYPE_PRIMARY, 0);
 	if (!primary) {
-		DRM_ERROR("Can not create primary plane\n");
+		drm_err(ddev, "Can not create primary plane\n");
 		return -EINVAL;
 	}
 
@@ -1668,7 +1669,7 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
 		ret = drmm_crtc_init_with_planes(ddev, crtc, primary, NULL,
 						 &ltdc_crtc_funcs, NULL);
 	if (ret) {
-		DRM_ERROR("Can not initialize CRTC\n");
+		drm_err(ddev, "Can not initialize CRTC\n");
 		return ret;
 	}
 
@@ -1677,13 +1678,13 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
 	drm_mode_crtc_set_gamma_size(crtc, CLUT_SIZE);
 	drm_crtc_enable_color_mgmt(crtc, 0, false, CLUT_SIZE);
 
-	DRM_DEBUG_DRIVER("CRTC:%d created\n", crtc->base.id);
+	drm_dbg_driver(ddev, "CRTC:%d created\n", crtc->base.id);
 
 	/* Add planes. Note : the first layer is used by primary plane */
 	for (i = 1; i < ldev->caps.nb_layers; i++) {
 		overlay = ltdc_plane_create(ddev, DRM_PLANE_TYPE_OVERLAY, i);
 		if (!overlay) {
-			DRM_ERROR("Can not create overlay plane %d\n", i);
+			drm_err(ddev, "Can not create overlay plane %d\n", i);
 			return -ENOMEM;
 		}
 		if (ldev->caps.dynamic_zorder)
@@ -1704,7 +1705,7 @@ static void ltdc_encoder_disable(struct drm_encoder *encoder)
 	struct drm_device *ddev = encoder->dev;
 	struct ltdc_device *ldev = ddev->dev_private;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(encoder->dev, "\n");
 
 	/* Disable LTDC */
 	regmap_clear_bits(ldev->regmap, LTDC_GCR, GCR_LTDCEN);
@@ -1718,7 +1719,7 @@ static void ltdc_encoder_enable(struct drm_encoder *encoder)
 	struct drm_device *ddev = encoder->dev;
 	struct ltdc_device *ldev = ddev->dev_private;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(encoder->dev, "\n");
 
 	/* set fifo underrun threshold register */
 	if (ldev->caps.fifo_threshold)
@@ -1734,7 +1735,7 @@ static void ltdc_encoder_mode_set(struct drm_encoder *encoder,
 {
 	struct drm_device *ddev = encoder->dev;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(encoder->dev, "\n");
 
 	/*
 	 * Set to default state the pinctrl only with DPI type.
@@ -1770,7 +1771,7 @@ static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge)
 	if (ret)
 		return ret;
 
-	DRM_DEBUG_DRIVER("Bridge encoder:%d created\n", encoder->base.id);
+	drm_dbg_driver(encoder->dev, "Bridge encoder:%d created\n", encoder->base.id);
 
 	return 0;
 }
@@ -1870,7 +1871,7 @@ void ltdc_suspend(struct drm_device *ddev)
 {
 	struct ltdc_device *ldev = ddev->dev_private;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(ddev, "\n");
 	clk_disable_unprepare(ldev->pixel_clk);
 }
 
@@ -1879,11 +1880,11 @@ int ltdc_resume(struct drm_device *ddev)
 	struct ltdc_device *ldev = ddev->dev_private;
 	int ret;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(ddev, "\n");
 
 	ret = clk_prepare_enable(ldev->pixel_clk);
 	if (ret) {
-		DRM_ERROR("failed to enable pixel clock (%d)\n", ret);
+		drm_err(ddev, "failed to enable pixel clock (%d)\n", ret);
 		return ret;
 	}
 
@@ -1903,7 +1904,7 @@ int ltdc_load(struct drm_device *ddev)
 	int irq, i, nb_endpoints;
 	int ret = -ENODEV;
 
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(ddev, "\n");
 
 	/* Get number of endpoints */
 	nb_endpoints = of_graph_get_endpoint_count(np);
@@ -1913,12 +1914,12 @@ int ltdc_load(struct drm_device *ddev)
 	ldev->pixel_clk = devm_clk_get(dev, "lcd");
 	if (IS_ERR(ldev->pixel_clk)) {
 		if (PTR_ERR(ldev->pixel_clk) != -EPROBE_DEFER)
-			DRM_ERROR("Unable to get lcd clock\n");
+			drm_err(ddev, "Unable to get lcd clock\n");
 		return PTR_ERR(ldev->pixel_clk);
 	}
 
 	if (clk_prepare_enable(ldev->pixel_clk)) {
-		DRM_ERROR("Unable to prepare pixel clock\n");
+		drm_err(ddev, "Unable to prepare pixel clock\n");
 		return -ENODEV;
 	}
 
@@ -1939,7 +1940,7 @@ int ltdc_load(struct drm_device *ddev)
 		if (panel) {
 			bridge = drmm_panel_bridge_add(ddev, panel);
 			if (IS_ERR(bridge)) {
-				DRM_ERROR("panel-bridge endpoint %d\n", i);
+				drm_err(ddev, "panel-bridge endpoint %d\n", i);
 				ret = PTR_ERR(bridge);
 				goto err;
 			}
@@ -1949,7 +1950,7 @@ int ltdc_load(struct drm_device *ddev)
 			ret = ltdc_encoder_init(ddev, bridge);
 			if (ret) {
 				if (ret != -EPROBE_DEFER)
-					DRM_ERROR("init encoder endpoint %d\n", i);
+					drm_err(ddev, "init encoder endpoint %d\n", i);
 				goto err;
 			}
 		}
@@ -1967,29 +1968,29 @@ int ltdc_load(struct drm_device *ddev)
 
 	ldev->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ldev->regs)) {
-		DRM_ERROR("Unable to get ltdc registers\n");
+		drm_err(ddev, "Unable to get ltdc registers\n");
 		ret = PTR_ERR(ldev->regs);
 		goto err;
 	}
 
 	ldev->regmap = devm_regmap_init_mmio(&pdev->dev, ldev->regs, &stm32_ltdc_regmap_cfg);
 	if (IS_ERR(ldev->regmap)) {
-		DRM_ERROR("Unable to regmap ltdc registers\n");
+		drm_err(ddev, "Unable to regmap ltdc registers\n");
 		ret = PTR_ERR(ldev->regmap);
 		goto err;
 	}
 
 	ret = ltdc_get_caps(ddev);
 	if (ret) {
-		DRM_ERROR("hardware identifier (0x%08x) not supported!\n",
-			  ldev->caps.hw_version);
+		drm_err(ddev, "hardware identifier (0x%08x) not supported!\n",
+			ldev->caps.hw_version);
 		goto err;
 	}
 
 	/* Disable all interrupts */
 	regmap_clear_bits(ldev->regmap, LTDC_IER, IER_MASK);
 
-	DRM_DEBUG_DRIVER("ltdc hw version 0x%08x\n", ldev->caps.hw_version);
+	drm_dbg_driver(ddev, "ltdc hw version 0x%08x\n", ldev->caps.hw_version);
 
 	/* initialize default value for fifo underrun threshold & clear interrupt error counters */
 	ldev->transfer_err = 0;
@@ -2008,27 +2009,27 @@ int ltdc_load(struct drm_device *ddev)
 						ltdc_irq_thread, IRQF_ONESHOT,
 						dev_name(dev), ddev);
 		if (ret) {
-			DRM_ERROR("Failed to register LTDC interrupt\n");
+			drm_err(ddev, "Failed to register LTDC interrupt\n");
 			goto err;
 		}
 	}
 
 	crtc = drmm_kzalloc(ddev, sizeof(*crtc), GFP_KERNEL);
 	if (!crtc) {
-		DRM_ERROR("Failed to allocate crtc\n");
+		drm_err(ddev, "Failed to allocate crtc\n");
 		ret = -ENOMEM;
 		goto err;
 	}
 
 	ret = ltdc_crtc_init(ddev, crtc);
 	if (ret) {
-		DRM_ERROR("Failed to init crtc\n");
+		drm_err(ddev, "Failed to init crtc\n");
 		goto err;
 	}
 
 	ret = drm_vblank_init(ddev, NB_CRTC);
 	if (ret) {
-		DRM_ERROR("Failed calling drm_vblank_init()\n");
+		drm_err(ddev, "Failed calling drm_vblank_init()\n");
 		goto err;
 	}
 
@@ -2047,7 +2048,7 @@ err:
 
 void ltdc_unload(struct drm_device *ddev)
 {
-	DRM_DEBUG_DRIVER("\n");
+	drm_dbg_driver(ddev, "\n");
 
 	pm_runtime_disable(ddev->dev);
 }
diff --git a/drivers/gpu/drm/sysfb/drm_sysfb_helper.h b/drivers/gpu/drm/sysfb/drm_sysfb_helper.h
index 1424b63dde99..89633e30ca62 100644
--- a/drivers/gpu/drm/sysfb/drm_sysfb_helper.h
+++ b/drivers/gpu/drm/sysfb/drm_sysfb_helper.h
@@ -132,7 +132,7 @@ int drm_sysfb_plane_helper_get_scanout_buffer(struct drm_plane *plane,
 struct drm_sysfb_crtc_state {
 	struct drm_crtc_state base;
 
-	/* Primary-plane format; required for color mgmt. */
+	/* CRTC input color format; required for color mgmt. */
 	const struct drm_format_info *format;
 };
 
diff --git a/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c b/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c
index 1bcdb5ee8f09..963c380fea64 100644
--- a/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c
+++ b/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c
@@ -210,7 +210,12 @@ int drm_sysfb_plane_helper_atomic_check(struct drm_plane *plane,
 	else if (!new_plane_state->visible)
 		return 0;
 
-	if (new_fb->format != sysfb->fb_format) {
+	new_crtc_state = drm_atomic_get_new_crtc_state(new_state, new_plane_state->crtc);
+
+	new_sysfb_crtc_state = to_drm_sysfb_crtc_state(new_crtc_state);
+	new_sysfb_crtc_state->format = sysfb->fb_format;
+
+	if (new_fb->format != new_sysfb_crtc_state->format) {
 		void *buf;
 
 		/* format conversion necessary; reserve buffer */
@@ -220,11 +225,6 @@ int drm_sysfb_plane_helper_atomic_check(struct drm_plane *plane,
 			return -ENOMEM;
 	}
 
-	new_crtc_state = drm_atomic_get_new_crtc_state(new_state, new_plane_state->crtc);
-
-	new_sysfb_crtc_state = to_drm_sysfb_crtc_state(new_crtc_state);
-	new_sysfb_crtc_state->format = new_fb->format;
-
 	return 0;
 }
 EXPORT_SYMBOL(drm_sysfb_plane_helper_atomic_check);
@@ -238,7 +238,10 @@ void drm_sysfb_plane_helper_atomic_update(struct drm_plane *plane, struct drm_at
 	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
 	struct drm_framebuffer *fb = plane_state->fb;
 	unsigned int dst_pitch = sysfb->fb_pitch;
-	const struct drm_format_info *dst_format = sysfb->fb_format;
+	struct drm_crtc_state *crtc_state = crtc_state =
+		drm_atomic_get_new_crtc_state(state, plane_state->crtc);
+	struct drm_sysfb_crtc_state *sysfb_crtc_state = to_drm_sysfb_crtc_state(crtc_state);
+	const struct drm_format_info *dst_format = sysfb_crtc_state->format;
 	struct drm_atomic_helper_damage_iter iter;
 	struct drm_rect damage;
 	int ret, idx;
@@ -370,16 +373,19 @@ EXPORT_SYMBOL(drm_sysfb_crtc_helper_atomic_check);
 
 void drm_sysfb_crtc_reset(struct drm_crtc *crtc)
 {
+	struct drm_sysfb_device *sysfb = to_drm_sysfb_device(crtc->dev);
 	struct drm_sysfb_crtc_state *sysfb_crtc_state;
 
 	if (crtc->state)
 		drm_sysfb_crtc_state_destroy(to_drm_sysfb_crtc_state(crtc->state));
 
 	sysfb_crtc_state = kzalloc(sizeof(*sysfb_crtc_state), GFP_KERNEL);
-	if (sysfb_crtc_state)
+	if (sysfb_crtc_state) {
+		sysfb_crtc_state->format = sysfb->fb_format;
 		__drm_atomic_helper_crtc_reset(crtc, &sysfb_crtc_state->base);
-	else
+	} else {
 		__drm_atomic_helper_crtc_reset(crtc, NULL);
+	}
 }
 EXPORT_SYMBOL(drm_sysfb_crtc_reset);
 
diff --git a/drivers/gpu/drm/sysfb/drm_sysfb_screen_info.c b/drivers/gpu/drm/sysfb/drm_sysfb_screen_info.c
index 0b3fb874a51f..885864168c54 100644
--- a/drivers/gpu/drm/sysfb/drm_sysfb_screen_info.c
+++ b/drivers/gpu/drm/sysfb/drm_sysfb_screen_info.c
@@ -79,22 +79,19 @@ const struct drm_format_info *drm_sysfb_get_format_si(struct drm_device *dev,
 						      const struct screen_info *si)
 {
 	const struct drm_format_info *format = NULL;
-	u32 bits_per_pixel;
+	struct pixel_format pixel;
 	size_t i;
+	int ret;
 
-	bits_per_pixel = __screen_info_lfb_bits_per_pixel(si);
+	ret = screen_info_pixel_format(si, &pixel);
+	if (ret)
+		return NULL;
 
 	for (i = 0; i < nformats; ++i) {
-		const struct pixel_format *f = &formats[i].pixel;
-
-		if (bits_per_pixel == f->bits_per_pixel &&
-		    si->red_size == f->red.length &&
-		    si->red_pos == f->red.offset &&
-		    si->green_size == f->green.length &&
-		    si->green_pos == f->green.offset &&
-		    si->blue_size == f->blue.length &&
-		    si->blue_pos == f->blue.offset) {
-			format = drm_format_info(formats[i].fourcc);
+		const struct drm_sysfb_format *f = &formats[i];
+
+		if (pixel_format_equal(&pixel, &f->pixel)) {
+			format = drm_format_info(f->fourcc);
 			break;
 		}
 	}
diff --git a/drivers/gpu/drm/sysfb/vesadrm.c b/drivers/gpu/drm/sysfb/vesadrm.c
index 90615e9ac86b..1170e71e4208 100644
--- a/drivers/gpu/drm/sysfb/vesadrm.c
+++ b/drivers/gpu/drm/sysfb/vesadrm.c
@@ -46,6 +46,7 @@ static const struct drm_format_info *vesadrm_get_format_si(struct drm_device *de
 		{ PIXEL_FORMAT_RGB888, DRM_FORMAT_RGB888, },
 		{ PIXEL_FORMAT_XRGB8888, DRM_FORMAT_XRGB8888, },
 		{ PIXEL_FORMAT_XBGR8888, DRM_FORMAT_XBGR8888, },
+		{ PIXEL_FORMAT_C8, DRM_FORMAT_C8, },
 	};
 
 	return drm_sysfb_get_format_si(dev, formats, ARRAY_SIZE(formats), si);
@@ -82,7 +83,7 @@ static struct vesadrm_device *to_vesadrm_device(struct drm_device *dev)
 }
 
 /*
- * Palette
+ * Color LUT
  */
 
 static void vesadrm_vga_cmap_write(struct vesadrm_device *vesa, unsigned int index,
@@ -128,7 +129,7 @@ static void vesadrm_pmi_cmap_write(struct vesadrm_device *vesa, unsigned int ind
 }
 #endif
 
-static void vesadrm_set_gamma_lut(struct drm_crtc *crtc, unsigned int index,
+static void vesadrm_set_color_lut(struct drm_crtc *crtc, unsigned int index,
 				  u16 red, u16 green, u16 blue)
 {
 	struct drm_device *dev = crtc->dev;
@@ -149,15 +150,15 @@ static void vesadrm_fill_gamma_lut(struct vesadrm_device *vesa,
 
 	switch (format->format) {
 	case DRM_FORMAT_XRGB1555:
-		drm_crtc_fill_gamma_555(crtc, vesadrm_set_gamma_lut);
+		drm_crtc_fill_gamma_555(crtc, vesadrm_set_color_lut);
 		break;
 	case DRM_FORMAT_RGB565:
-		drm_crtc_fill_gamma_565(crtc, vesadrm_set_gamma_lut);
+		drm_crtc_fill_gamma_565(crtc, vesadrm_set_color_lut);
 		break;
 	case DRM_FORMAT_RGB888:
 	case DRM_FORMAT_XRGB8888:
 	case DRM_FORMAT_BGRX8888:
-		drm_crtc_fill_gamma_888(crtc, vesadrm_set_gamma_lut);
+		drm_crtc_fill_gamma_888(crtc, vesadrm_set_color_lut);
 		break;
 	default:
 		drm_warn_once(dev, "Unsupported format %p4cc for gamma correction\n",
@@ -175,15 +176,53 @@ static void vesadrm_load_gamma_lut(struct vesadrm_device *vesa,
 
 	switch (format->format) {
 	case DRM_FORMAT_XRGB1555:
-		drm_crtc_load_gamma_555_from_888(crtc, lut, vesadrm_set_gamma_lut);
+		drm_crtc_load_gamma_555_from_888(crtc, lut, vesadrm_set_color_lut);
 		break;
 	case DRM_FORMAT_RGB565:
-		drm_crtc_load_gamma_565_from_888(crtc, lut, vesadrm_set_gamma_lut);
+		drm_crtc_load_gamma_565_from_888(crtc, lut, vesadrm_set_color_lut);
 		break;
 	case DRM_FORMAT_RGB888:
 	case DRM_FORMAT_XRGB8888:
 	case DRM_FORMAT_BGRX8888:
-		drm_crtc_load_gamma_888(crtc, lut, vesadrm_set_gamma_lut);
+		drm_crtc_load_gamma_888(crtc, lut, vesadrm_set_color_lut);
+		break;
+	default:
+		drm_warn_once(dev, "Unsupported format %p4cc for gamma correction\n",
+			      &format->format);
+		break;
+	}
+}
+
+static void vesadrm_fill_palette_lut(struct vesadrm_device *vesa,
+				     const struct drm_format_info *format)
+{
+	struct drm_device *dev = &vesa->sysfb.dev;
+	struct drm_crtc *crtc = &vesa->crtc;
+
+	switch (format->format) {
+	case DRM_FORMAT_C8:
+		drm_crtc_fill_palette_8(crtc, vesadrm_set_color_lut);
+		break;
+	case DRM_FORMAT_RGB332:
+		drm_crtc_fill_palette_332(crtc, vesadrm_set_color_lut);
+		break;
+	default:
+		drm_warn_once(dev, "Unsupported format %p4cc for palette\n",
+			      &format->format);
+		break;
+	}
+}
+
+static void vesadrm_load_palette_lut(struct vesadrm_device *vesa,
+				     const struct drm_format_info *format,
+				     struct drm_color_lut *lut)
+{
+	struct drm_device *dev = &vesa->sysfb.dev;
+	struct drm_crtc *crtc = &vesa->crtc;
+
+	switch (format->format) {
+	case DRM_FORMAT_C8:
+		drm_crtc_load_palette_8(crtc, lut, vesadrm_set_color_lut);
 		break;
 	default:
 		drm_warn_once(dev, "Unsupported format %p4cc for gamma correction\n",
@@ -200,8 +239,67 @@ static const u64 vesadrm_primary_plane_format_modifiers[] = {
 	DRM_SYSFB_PLANE_FORMAT_MODIFIERS,
 };
 
+static int vesadrm_primary_plane_helper_atomic_check(struct drm_plane *plane,
+						     struct drm_atomic_state *new_state)
+{
+	struct drm_sysfb_device *sysfb = to_drm_sysfb_device(plane->dev);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(new_state, plane);
+	struct drm_framebuffer *new_fb = new_plane_state->fb;
+	struct drm_crtc_state *new_crtc_state;
+	struct drm_sysfb_crtc_state *new_sysfb_crtc_state;
+	int ret;
+
+	ret = drm_sysfb_plane_helper_atomic_check(plane, new_state);
+	if (ret)
+		return ret;
+	else if (!new_plane_state->visible)
+		return 0;
+
+	/*
+	 * Fix up format conversion for specific cases
+	 */
+
+	switch (sysfb->fb_format->format) {
+	case DRM_FORMAT_C8:
+		new_crtc_state = drm_atomic_get_new_crtc_state(new_state, new_plane_state->crtc);
+		new_sysfb_crtc_state = to_drm_sysfb_crtc_state(new_crtc_state);
+
+		switch (new_fb->format->format) {
+		case DRM_FORMAT_XRGB8888:
+			/*
+			 * Reduce XRGB8888 to RGB332. Each resulting pixel is an index
+			 * into the C8 hardware palette, which stores RGB332 colors.
+			 */
+			if (new_sysfb_crtc_state->format->format != DRM_FORMAT_RGB332) {
+				new_sysfb_crtc_state->format =
+					drm_format_info(DRM_FORMAT_RGB332);
+				new_crtc_state->color_mgmt_changed = true;
+			}
+			break;
+		case DRM_FORMAT_C8:
+			/*
+			 * Restore original output. Emulation of XRGB8888 set RBG332
+			 * output format and hardware palette. This needs to be undone
+			 * when we switch back to DRM_FORMAT_C8.
+			 */
+			if (new_sysfb_crtc_state->format->format == DRM_FORMAT_RGB332) {
+				new_sysfb_crtc_state->format = sysfb->fb_format;
+				new_crtc_state->color_mgmt_changed = true;
+			}
+			break;
+		}
+		break;
+	};
+
+	return 0;
+}
+
 static const struct drm_plane_helper_funcs vesadrm_primary_plane_helper_funcs = {
-	DRM_SYSFB_PLANE_HELPER_FUNCS,
+	DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
+	.atomic_check = vesadrm_primary_plane_helper_atomic_check,
+	.atomic_update = drm_sysfb_plane_helper_atomic_update,
+	.atomic_disable = drm_sysfb_plane_helper_atomic_disable,
+	.get_scanout_buffer = drm_sysfb_plane_helper_get_scanout_buffer,
 };
 
 static const struct drm_plane_funcs vesadrm_primary_plane_funcs = {
@@ -223,15 +321,36 @@ static void vesadrm_crtc_helper_atomic_flush(struct drm_crtc *crtc,
 	 * plane's color format.
 	 */
 	if (crtc_state->enable && crtc_state->color_mgmt_changed) {
-		if (sysfb_crtc_state->format == sysfb->fb_format) {
-			if (crtc_state->gamma_lut)
-				vesadrm_load_gamma_lut(vesa,
-						       sysfb_crtc_state->format,
-						       crtc_state->gamma_lut->data);
-			else
+		switch (sysfb->fb_format->format) {
+		/*
+		 * Index formats
+		 */
+		case DRM_FORMAT_C8:
+			if (sysfb_crtc_state->format->format == DRM_FORMAT_RGB332) {
+				vesadrm_fill_palette_lut(vesa, sysfb_crtc_state->format);
+			} else if (crtc->state->gamma_lut) {
+				vesadrm_load_palette_lut(vesa,
+							 sysfb_crtc_state->format,
+							 crtc_state->gamma_lut->data);
+			} else {
+				vesadrm_fill_palette_lut(vesa, sysfb_crtc_state->format);
+			}
+			break;
+		/*
+		 * Component formats
+		 */
+		default:
+			if (sysfb_crtc_state->format == sysfb->fb_format) {
+				if (crtc_state->gamma_lut)
+					vesadrm_load_gamma_lut(vesa,
+							       sysfb_crtc_state->format,
+							       crtc_state->gamma_lut->data);
+				else
+					vesadrm_fill_gamma_lut(vesa, sysfb_crtc_state->format);
+			} else {
 				vesadrm_fill_gamma_lut(vesa, sysfb_crtc_state->format);
-		} else {
-			vesadrm_fill_gamma_lut(vesa, sysfb_crtc_state->format);
+			}
+			break;
 		}
 	}
 }
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index d3912e3f2f13..30ebde1273be 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -112,9 +112,9 @@ struct i2c_hid {
 
 	struct i2chid_ops	*ops;
 	struct drm_panel_follower panel_follower;
-	struct work_struct	panel_follower_prepare_work;
+	struct work_struct	panel_follower_work;
 	bool			is_panel_follower;
-	bool			prepare_work_finished;
+	bool			panel_follower_work_finished;
 };
 
 static const struct i2c_hid_quirks {
@@ -1110,10 +1110,10 @@ err_power_down:
 	return ret;
 }
 
-static void ihid_core_panel_prepare_work(struct work_struct *work)
+static void ihid_core_panel_follower_work(struct work_struct *work)
 {
 	struct i2c_hid *ihid = container_of(work, struct i2c_hid,
-					    panel_follower_prepare_work);
+					    panel_follower_work);
 	struct hid_device *hid = ihid->hid;
 	int ret;
 
@@ -1130,7 +1130,7 @@ static void ihid_core_panel_prepare_work(struct work_struct *work)
 	if (ret)
 		dev_warn(&ihid->client->dev, "Power on failed: %d\n", ret);
 	else
-		WRITE_ONCE(ihid->prepare_work_finished, true);
+		WRITE_ONCE(ihid->panel_follower_work_finished, true);
 
 	/*
 	 * The work APIs provide a number of memory ordering guarantees
@@ -1139,12 +1139,12 @@ static void ihid_core_panel_prepare_work(struct work_struct *work)
 	 * guarantee that a write that happened in the work is visible after
 	 * cancel_work_sync(). We'll add a write memory barrier here to match
 	 * with i2c_hid_core_panel_unpreparing() to ensure that our write to
-	 * prepare_work_finished is visible there.
+	 * panel_follower_work_finished is visible there.
 	 */
 	smp_wmb();
 }
 
-static int i2c_hid_core_panel_prepared(struct drm_panel_follower *follower)
+static int i2c_hid_core_panel_follower_resume(struct drm_panel_follower *follower)
 {
 	struct i2c_hid *ihid = container_of(follower, struct i2c_hid, panel_follower);
 
@@ -1152,29 +1152,36 @@ static int i2c_hid_core_panel_prepared(struct drm_panel_follower *follower)
 	 * Powering on a touchscreen can be a slow process. Queue the work to
 	 * the system workqueue so we don't block the panel's power up.
 	 */
-	WRITE_ONCE(ihid->prepare_work_finished, false);
-	schedule_work(&ihid->panel_follower_prepare_work);
+	WRITE_ONCE(ihid->panel_follower_work_finished, false);
+	schedule_work(&ihid->panel_follower_work);
 
 	return 0;
 }
 
-static int i2c_hid_core_panel_unpreparing(struct drm_panel_follower *follower)
+static int i2c_hid_core_panel_follower_suspend(struct drm_panel_follower *follower)
 {
 	struct i2c_hid *ihid = container_of(follower, struct i2c_hid, panel_follower);
 
-	cancel_work_sync(&ihid->panel_follower_prepare_work);
+	cancel_work_sync(&ihid->panel_follower_work);
 
-	/* Match with ihid_core_panel_prepare_work() */
+	/* Match with ihid_core_panel_follower_work() */
 	smp_rmb();
-	if (!READ_ONCE(ihid->prepare_work_finished))
+	if (!READ_ONCE(ihid->panel_follower_work_finished))
 		return 0;
 
 	return i2c_hid_core_suspend(ihid, true);
 }
 
-static const struct drm_panel_follower_funcs i2c_hid_core_panel_follower_funcs = {
-	.panel_prepared = i2c_hid_core_panel_prepared,
-	.panel_unpreparing = i2c_hid_core_panel_unpreparing,
+static const struct drm_panel_follower_funcs
+				i2c_hid_core_panel_follower_prepare_funcs = {
+	.panel_prepared = i2c_hid_core_panel_follower_resume,
+	.panel_unpreparing = i2c_hid_core_panel_follower_suspend,
+};
+
+static const struct drm_panel_follower_funcs
+				i2c_hid_core_panel_follower_enable_funcs = {
+	.panel_enabled = i2c_hid_core_panel_follower_resume,
+	.panel_disabling = i2c_hid_core_panel_follower_suspend,
 };
 
 static int i2c_hid_core_register_panel_follower(struct i2c_hid *ihid)
@@ -1182,7 +1189,10 @@ static int i2c_hid_core_register_panel_follower(struct i2c_hid *ihid)
 	struct device *dev = &ihid->client->dev;
 	int ret;
 
-	ihid->panel_follower.funcs = &i2c_hid_core_panel_follower_funcs;
+	if (ihid->hid->initial_quirks & HID_QUIRK_POWER_ON_AFTER_BACKLIGHT)
+		ihid->panel_follower.funcs = &i2c_hid_core_panel_follower_enable_funcs;
+	else
+		ihid->panel_follower.funcs = &i2c_hid_core_panel_follower_prepare_funcs;
 
 	/*
 	 * If we're not in control of our own power up/power down then we can't
@@ -1237,7 +1247,7 @@ int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops,
 	init_waitqueue_head(&ihid->wait);
 	mutex_init(&ihid->cmd_lock);
 	mutex_init(&ihid->reset_lock);
-	INIT_WORK(&ihid->panel_follower_prepare_work, ihid_core_panel_prepare_work);
+	INIT_WORK(&ihid->panel_follower_work, ihid_core_panel_follower_work);
 
 	/* we need to allocate the command buffer without knowing the maximum
 	 * size of the reports. Let's use HID_MIN_BUFFER_SIZE, then we do the
diff --git a/drivers/hid/i2c-hid/i2c-hid-of-elan.c b/drivers/hid/i2c-hid/i2c-hid-of-elan.c
index 3fcff6daa0d3..0215f217f6d8 100644
--- a/drivers/hid/i2c-hid/i2c-hid-of-elan.c
+++ b/drivers/hid/i2c-hid/i2c-hid-of-elan.c
@@ -8,6 +8,7 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/gpio/consumer.h>
+#include <linux/hid.h>
 #include <linux/i2c.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -23,6 +24,7 @@ struct elan_i2c_hid_chip_data {
 	unsigned int post_power_delay_ms;
 	u16 hid_descriptor_address;
 	const char *main_supply_name;
+	bool power_after_backlight;
 };
 
 struct i2c_hid_of_elan {
@@ -97,6 +99,7 @@ static int i2c_hid_of_elan_probe(struct i2c_client *client)
 {
 	struct i2c_hid_of_elan *ihid_elan;
 	int ret;
+	u32 quirks = 0;
 
 	ihid_elan = devm_kzalloc(&client->dev, sizeof(*ihid_elan), GFP_KERNEL);
 	if (!ihid_elan)
@@ -131,8 +134,12 @@ static int i2c_hid_of_elan_probe(struct i2c_client *client)
 		}
 	}
 
+	if (ihid_elan->chip_data->power_after_backlight)
+		quirks = HID_QUIRK_POWER_ON_AFTER_BACKLIGHT;
+
 	ret = i2c_hid_core_probe(client, &ihid_elan->ops,
-				 ihid_elan->chip_data->hid_descriptor_address, 0);
+				 ihid_elan->chip_data->hid_descriptor_address,
+				 quirks);
 	if (ret)
 		goto err_deassert_reset;
 
@@ -150,6 +157,7 @@ static const struct elan_i2c_hid_chip_data elan_ekth6915_chip_data = {
 	.post_gpio_reset_on_delay_ms = 300,
 	.hid_descriptor_address = 0x0001,
 	.main_supply_name = "vcc33",
+	.power_after_backlight = true,
 };
 
 static const struct elan_i2c_hid_chip_data elan_ekth6a12nay_chip_data = {
@@ -157,6 +165,7 @@ static const struct elan_i2c_hid_chip_data elan_ekth6a12nay_chip_data = {
 	.post_gpio_reset_on_delay_ms = 300,
 	.hid_descriptor_address = 0x0001,
 	.main_supply_name = "vcc33",
+	.power_after_backlight = true,
 };
 
 static const struct elan_i2c_hid_chip_data ilitek_ili9882t_chip_data = {
diff --git a/drivers/video/screen_info_generic.c b/drivers/video/screen_info_generic.c
index 900e9386eceb..763adbba71cb 100644
--- a/drivers/video/screen_info_generic.c
+++ b/drivers/video/screen_info_generic.c
@@ -5,6 +5,8 @@
 #include <linux/screen_info.h>
 #include <linux/string.h>
 
+#include <video/pixel_format.h>
+
 static void resource_init_named(struct resource *r,
 				resource_size_t start, resource_size_t size,
 				const char *name, unsigned int flags)
@@ -180,3 +182,56 @@ u32 __screen_info_lfb_bits_per_pixel(const struct screen_info *si)
 	return bits_per_pixel;
 }
 EXPORT_SYMBOL(__screen_info_lfb_bits_per_pixel);
+
+static int __screen_info_lfb_pixel_format(const struct screen_info *si, struct pixel_format *f)
+{
+	u32 bits_per_pixel = __screen_info_lfb_bits_per_pixel(si);
+
+	if (bits_per_pixel > U8_MAX)
+		return -EINVAL;
+
+	f->bits_per_pixel = bits_per_pixel;
+
+	if (si->lfb_depth > 8) {
+		f->indexed = false;
+		f->alpha.offset = 0;
+		f->alpha.length = 0;
+		f->red.offset = si->red_pos;
+		f->red.length = si->red_size;
+		f->green.offset = si->green_pos;
+		f->green.length = si->green_size;
+		f->blue.offset = si->blue_pos;
+		f->blue.length = si->blue_size;
+	} else {
+		f->indexed = true;
+		f->index.offset = 0;
+		f->index.length = si->lfb_depth;
+	}
+
+	return 0;
+}
+
+/**
+ * screen_info_pixel_format - Returns the screen-info format as pixel-format description
+ *
+ * @si: the screen_info
+ * @f: pointer to return pixel-format description
+ *
+ * Returns:
+ * 0 on success, or a negative errno code otherwise.
+ */
+int screen_info_pixel_format(const struct screen_info *si, struct pixel_format *f)
+{
+	unsigned int type = screen_info_video_type(si);
+
+	/* TODO: Add support for additional types as needed. */
+	switch (type) {
+	case VIDEO_TYPE_VLFB:
+	case VIDEO_TYPE_EFI:
+		return __screen_info_lfb_pixel_format(si, f);
+	}
+
+	/* not supported */
+	return -EINVAL;
+}
+EXPORT_SYMBOL(screen_info_pixel_format);
diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index 6cb577f6dba6..eccb71ab335a 100644
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -143,6 +143,7 @@ void drm_crtc_fill_gamma_555(struct drm_crtc *crtc, drm_crtc_set_lut_func set_ga
 void drm_crtc_load_palette_8(struct drm_crtc *crtc, const struct drm_color_lut *lut,
 			     drm_crtc_set_lut_func set_palette);
 
+void drm_crtc_fill_palette_332(struct drm_crtc *crtc, drm_crtc_set_lut_func set_palette);
 void drm_crtc_fill_palette_8(struct drm_crtc *crtc, drm_crtc_set_lut_func set_palette);
 
 #endif
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 843fb756a295..2407bfa60236 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -160,6 +160,20 @@ struct drm_panel_follower_funcs {
 	 * Called before the panel is powered off.
 	 */
 	int (*panel_unpreparing)(struct drm_panel_follower *follower);
+
+	/**
+	 * @panel_enabled:
+	 *
+	 * Called after the panel and the backlight have been enabled.
+	 */
+	int (*panel_enabled)(struct drm_panel_follower *follower);
+
+	/**
+	 * @panel_disabling:
+	 *
+	 * Called before the panel and the backlight are disabled.
+	 */
+	int (*panel_disabling)(struct drm_panel_follower *follower);
 };
 
 struct drm_panel_follower {
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 2cc4f1e4ea96..c32425b5d011 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -364,6 +364,7 @@ struct hid_item {
  * | @HID_QUIRK_HAVE_SPECIAL_DRIVER:
  * | @HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE:
  * | @HID_QUIRK_IGNORE_SPECIAL_DRIVER
+ * | @HID_QUIRK_POWER_ON_AFTER_BACKLIGHT
  * | @HID_QUIRK_FULLSPEED_INTERVAL:
  * | @HID_QUIRK_NO_INIT_REPORTS:
  * | @HID_QUIRK_NO_IGNORE:
@@ -391,6 +392,7 @@ struct hid_item {
 #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE	BIT(20)
 #define HID_QUIRK_NOINVERT			BIT(21)
 #define HID_QUIRK_IGNORE_SPECIAL_DRIVER		BIT(22)
+#define HID_QUIRK_POWER_ON_AFTER_BACKLIGHT	BIT(23)
 #define HID_QUIRK_FULLSPEED_INTERVAL		BIT(28)
 #define HID_QUIRK_NO_INIT_REPORTS		BIT(29)
 #define HID_QUIRK_NO_IGNORE			BIT(30)
diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h
index 923d68e07679..1690706206e8 100644
--- a/include/linux/screen_info.h
+++ b/include/linux/screen_info.h
@@ -12,6 +12,7 @@
 #define SCREEN_INFO_MAX_RESOURCES	3
 
 struct pci_dev;
+struct pixel_format;
 struct resource;
 
 static inline bool __screen_info_has_lfb(unsigned int type)
@@ -136,6 +137,7 @@ static inline u32 __screen_info_vesapm_info_base(const struct screen_info *si)
 ssize_t screen_info_resources(const struct screen_info *si, struct resource *r, size_t num);
 
 u32 __screen_info_lfb_bits_per_pixel(const struct screen_info *si);
+int screen_info_pixel_format(const struct screen_info *si, struct pixel_format *f);
 
 #if defined(CONFIG_PCI)
 void screen_info_apply_fixups(void);
diff --git a/include/video/pixel_format.h b/include/video/pixel_format.h
index b5104b2a3a13..6874754b0474 100644
--- a/include/video/pixel_format.h
+++ b/include/video/pixel_format.h
@@ -20,6 +20,9 @@ struct pixel_format {
 	};
 };
 
+#define PIXEL_FORMAT_C8 \
+	{ 8, true, { .index = {0, 8}, } }
+
 #define PIXEL_FORMAT_XRGB1555 \
 	{ 16, false, { .alpha = {0, 0}, .red = {10, 5}, .green = {5, 5}, .blue = {0, 5} } }
 
@@ -38,4 +41,62 @@ struct pixel_format {
 #define PIXEL_FORMAT_XRGB2101010 \
 	{ 32, false, { .alpha = {0, 0}, .red = {20, 10}, .green = {10, 10}, .blue = {0, 10} } }
 
+#define __pixel_format_cmp_field(lhs, rhs, name) \
+	{ \
+		int ret = ((lhs)->name) - ((rhs)->name); \
+		if (ret) \
+			return ret; \
+	}
+
+#define __pixel_format_cmp_bitfield(lhs, rhs, name) \
+	{ \
+		__pixel_format_cmp_field(lhs, rhs, name.offset); \
+		__pixel_format_cmp_field(lhs, rhs, name.length); \
+	}
+
+/**
+ * pixel_format_cmp - Compares two pixel-format descriptions
+ *
+ * @lhs: a pixel-format description
+ * @rhs: a pixel-format description
+ *
+ * Compares two pixel-format descriptions for their order. The semantics
+ * are equivalent to memcmp().
+ *
+ * Returns:
+ * 0 if both arguments describe the same pixel format, less-than-zero if lhs < rhs,
+ * or greater-than-zero if lhs > rhs.
+ */
+static inline int pixel_format_cmp(const struct pixel_format *lhs, const struct pixel_format *rhs)
+{
+	__pixel_format_cmp_field(lhs, rhs, bits_per_pixel);
+	__pixel_format_cmp_field(lhs, rhs, indexed);
+
+	if (lhs->indexed) {
+		__pixel_format_cmp_bitfield(lhs, rhs, index);
+	} else {
+		__pixel_format_cmp_bitfield(lhs, rhs, alpha);
+		__pixel_format_cmp_bitfield(lhs, rhs, red);
+		__pixel_format_cmp_bitfield(lhs, rhs, green);
+		__pixel_format_cmp_bitfield(lhs, rhs, blue);
+	}
+
+	return 0;
+}
+
+/**
+ * pixel_format_equal - Compares two pixel-format descriptions for equality
+ *
+ * @lhs: a pixel-format description
+ * @rhs: a pixel-format description
+ *
+ * Returns:
+ * True if both arguments describe the same pixel format, or false otherwise.
+ */
+static inline bool pixel_format_equal(const struct pixel_format *lhs,
+				      const struct pixel_format *rhs)
+{
+	return !pixel_format_cmp(lhs, rhs);
+}
+
 #endif