Merge tag 'drm-misc-next-2025-06-26' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for 6.17:

UAPI Changes:

Cross-subsystem Changes:

Core Changes:
- ci: Add Device tree validation and kunit
- connector: Move HDR sink metadat to drm_display_info

Driver Changes:
- bochs: drm_panic Support
- panfrost: MT8370 Support

- bridge:
  - tc358767: Convert to devm_drm_bridge_alloc()

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

From: Maxime Ripard <mripard@redhat.com>
Link: https://lore.kernel.org/r/20250626-sincere-loon-of-effort-6dbdf9@houat

Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml

@@ -42,6 +42,7 @@ properties:
           - enum:
               - mediatek,mt8188-mali
               - mediatek,mt8192-mali
+              - mediatek,mt8370-mali
           - const: arm,mali-valhall-jm # Mali Valhall GPU model/revision is fully discoverable
 
   reg:
@@ -225,7 +226,9 @@ allOf:
       properties:
         compatible:
           contains:
-            const: mediatek,mt8186-mali
+            enum:
+              - mediatek,mt8186-mali
+              - mediatek,mt8370-mali
     then:
       properties:
         power-domains:

arch/arm64/boot/dts/mediatek/mt8370.dtsi

@@ -59,6 +59,22 @@
 				<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 };
 
+/*
+ * Please note that overriding compatibles is a discouraged practice and is a
+ * clear indication of nodes not being, well, compatible!
+ *
+ * This is a special case, where the GPU is the same as MT8188, but with one
+ * of the cores fused out in this lower-binned SoC.
+ */
+&gpu {
+	compatible = "mediatek,mt8370-mali", "arm,mali-valhall-jm";
+
+	power-domains = <&spm MT8188_POWER_DOMAIN_MFG2>,
+			<&spm MT8188_POWER_DOMAIN_MFG3>;
+
+	power-domain-names = "core0", "core1";
+};
+
 &ppi_cluster0 {
 	affinity = <&cpu0 &cpu1 &cpu2 &cpu3>;
 };

drivers/gpu/drm/bridge/tc358767.c

@@ -344,6 +344,14 @@
 #define COLOR_BAR_MODE_BARS	2
 #define PLL_DBG			0x0a04
 
+enum tc_mode {
+	mode_dpi_to_edp = BIT(1) | BIT(2),
+	mode_dpi_to_dp  = BIT(1),
+	mode_dsi_to_edp = BIT(0) | BIT(2),
+	mode_dsi_to_dp  = BIT(0),
+	mode_dsi_to_dpi = BIT(0) | BIT(1),
+};
+
 static bool tc_test_pattern;
 module_param_named(test, tc_test_pattern, bool, 0644);
 
@@ -2327,7 +2335,6 @@ static int tc_probe_dpi_bridge_endpoint(struct tc_data *tc)
 	if (bridge) {
 		tc->panel_bridge = bridge;
 		tc->bridge.type = DRM_MODE_CONNECTOR_DPI;
-		tc->bridge.funcs = &tc_dpi_bridge_funcs;
 
 		return 0;
 	}
@@ -2360,7 +2367,6 @@ static int tc_probe_edp_bridge_endpoint(struct tc_data *tc)
 		tc->bridge.type = DRM_MODE_CONNECTOR_DisplayPort;
 	}
 
-	tc->bridge.funcs = &tc_edp_bridge_funcs;
 	if (tc->hpd_pin >= 0)
 		tc->bridge.ops |= DRM_BRIDGE_OP_DETECT;
 	tc->bridge.ops |= DRM_BRIDGE_OP_EDID;
@@ -2368,17 +2374,11 @@ static int tc_probe_edp_bridge_endpoint(struct tc_data *tc)
 	return 0;
 }
 
-static int tc_probe_bridge_endpoint(struct tc_data *tc)
+static enum tc_mode tc_probe_get_mode(struct device *dev)
 {
-	struct device *dev = tc->dev;
 	struct of_endpoint endpoint;
 	struct device_node *node = NULL;
-	const u8 mode_dpi_to_edp = BIT(1) | BIT(2);
-	const u8 mode_dpi_to_dp = BIT(1);
-	const u8 mode_dsi_to_edp = BIT(0) | BIT(2);
-	const u8 mode_dsi_to_dp = BIT(0);
-	const u8 mode_dsi_to_dpi = BIT(0) | BIT(1);
-	u8 mode = 0;
+	enum tc_mode mode = 0;
 
 	/*
 	 * Determine bridge configuration.
@@ -2401,7 +2401,27 @@ static int tc_probe_bridge_endpoint(struct tc_data *tc)
 			return -EINVAL;
 		}
 		mode |= BIT(endpoint.port);
+	}
 
+	if (mode != mode_dpi_to_edp &&
+	    mode != mode_dpi_to_dp  &&
+	    mode != mode_dsi_to_dpi &&
+	    mode != mode_dsi_to_edp &&
+	    mode != mode_dsi_to_dp) {
+		dev_warn(dev, "Invalid mode (0x%x) is not supported!\n", mode);
+		return -EINVAL;
+	}
+
+	return mode;
+}
+
+static int tc_probe_bridge_endpoint(struct tc_data *tc, enum tc_mode mode)
+{
+	struct device *dev = tc->dev;
+	struct of_endpoint endpoint;
+	struct device_node *node = NULL;
+
+	for_each_endpoint_of_node(dev->of_node, node) {
 		if (endpoint.port == 2) {
 			of_property_read_u8_array(node, "toshiba,pre-emphasis",
 						  tc->pre_emphasis,
@@ -2427,24 +2447,28 @@ static int tc_probe_bridge_endpoint(struct tc_data *tc)
 		return tc_probe_edp_bridge_endpoint(tc);
 	}
 
-	dev_warn(dev, "Invalid mode (0x%x) is not supported!\n", mode);
-
+	/* Should never happen, mode was validated by tc_probe_get_mode() */
 	return -EINVAL;
 }
 
 static int tc_probe(struct i2c_client *client)
 {
 	struct device *dev = &client->dev;
+	const struct drm_bridge_funcs *funcs;
 	struct tc_data *tc;
+	int mode;
 	int ret;
 
-	tc = devm_kzalloc(dev, sizeof(*tc), GFP_KERNEL);
-	if (!tc)
-		return -ENOMEM;
+	mode = tc_probe_get_mode(dev);
+	funcs = (mode == mode_dsi_to_dpi) ? &tc_dpi_bridge_funcs : &tc_edp_bridge_funcs;
+
+	tc = devm_drm_bridge_alloc(dev, struct tc_data, bridge, funcs);
+	if (IS_ERR(tc))
+		return PTR_ERR(tc);
 
 	tc->dev = dev;
 
-	ret = tc_probe_bridge_endpoint(tc);
+	ret = tc_probe_bridge_endpoint(tc, mode);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/ci/check-devicetrees.yml

@@ -0,0 +1,50 @@
+.dt-check-base:
+  stage: static-checks
+  timeout: "30m"
+  variables:
+    GIT_DEPTH: 1
+    FF_USE_NEW_BASH_EVAL_STRATEGY: 'true'
+    SCHEMA: "display:gpu"
+    VENV_PATH: "/tmp/dtcheck-venv"
+  before_script:
+    - apt-get update -qq
+    # Minimum supported version of LLVM for building x86 kernels is 15.0.0.
+    # In mesa-ci containers, LLVM_VERSION is defined as a container-level property and is currently set to 19.
+    - apt-get install -y --no-install-recommends clang-${LLVM_VERSION} lld-${LLVM_VERSION} llvm-${LLVM_VERSION} python3-dev python3-venv python3-pip yamllint
+    - python3 -m venv "${VENV_PATH}"
+    - source "${VENV_PATH}/bin/activate"
+    - pip3 install dtschema
+  script:
+    - drivers/gpu/drm/ci/${SCRIPT_NAME}
+  artifacts:
+    when: on_failure
+    paths:
+      - ${ARTIFACT_FILE}
+  allow_failure:
+    exit_codes:
+      - 102
+
+dtbs-check:arm32:
+  extends:
+    - .build:arm32
+    - .dt-check-base
+  variables:
+    SCRIPT_NAME: "dtbs-check.sh"
+    ARTIFACT_FILE: "dtbs-check.log"
+
+dtbs-check:arm64:
+  extends:
+    - .build:arm64
+    - .dt-check-base
+  variables:
+    SCRIPT_NAME: "dtbs-check.sh"
+    ARTIFACT_FILE: "dtbs-check.log"
+
+dt-binding-check:
+  extends:
+    - .build
+    - .use-debian/x86_64_build
+    - .dt-check-base
+  variables:
+    SCRIPT_NAME: "dt-binding-check.sh"
+    ARTIFACT_FILE: "dt-binding-check.log"

drivers/gpu/drm/ci/dt-binding-check.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+
+set -euxo pipefail
+
+VENV_PATH="${VENV_PATH:-/tmp/dtschema-venv}"
+source "${VENV_PATH}/bin/activate"
+
+if ! make -j"${FDO_CI_CONCURRENT:-4}" dt_binding_check \
+        DT_SCHEMA_FILES="${SCHEMA:-}" 2>dt-binding-check.log; then
+    echo "ERROR: 'make dt_binding_check' failed. Please check dt-binding-check.log for details."
+    exit 1
+fi
+
+if [[ -s dt-binding-check.log ]]; then
+    echo "WARNING: dt_binding_check reported warnings. Please check dt-binding-check.log" \
+         "for details."
+    exit 102
+fi

drivers/gpu/drm/ci/dtbs-check.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+
+set -euxo pipefail
+
+: "${KERNEL_ARCH:?ERROR: KERNEL_ARCH must be set}"
+: "${LLVM_VERSION:?ERROR: LLVM_VERSION must be set}"
+
+./drivers/gpu/drm/ci/setup-llvm-links.sh
+
+make LLVM=1 ARCH="${KERNEL_ARCH}" defconfig
+
+if ! make -j"${FDO_CI_CONCURRENT:-4}" ARCH="${KERNEL_ARCH}" LLVM=1 dtbs_check \
+        DT_SCHEMA_FILES="${SCHEMA:-}" 2>dtbs-check.log; then
+    echo "ERROR: 'make dtbs_check' failed. Please check dtbs-check.log for details."
+    exit 1
+fi
+
+if [[ -s dtbs-check.log ]]; then
+    echo "WARNING: dtbs_check reported warnings. Please check dtbs-check.log for details."
+    exit 102
+fi

drivers/gpu/drm/ci/gitlab-ci.yml

@@ -110,6 +110,8 @@ include:
   - drivers/gpu/drm/ci/static-checks.yml
   - drivers/gpu/drm/ci/build.yml
   - drivers/gpu/drm/ci/test.yml
+  - drivers/gpu/drm/ci/check-devicetrees.yml
+  - drivers/gpu/drm/ci/kunit.yml
   - 'https://gitlab.freedesktop.org/gfx-ci/lab-status/-/raw/main/lab-status.yml'
 
 
@@ -119,6 +121,8 @@ stages:
   - git-archive
   - build-for-tests
   - build-only
+  - static-checks
+  - kunit
   - code-validation
   - amdgpu
   - i915

drivers/gpu/drm/ci/kunit.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+
+set -euxo pipefail
+
+: "${KERNEL_ARCH:?ERROR: KERNEL_ARCH must be set}"
+: "${LLVM_VERSION:?ERROR: LLVM_VERSION must be set}"
+
+./drivers/gpu/drm/ci/setup-llvm-links.sh
+
+export PATH="/usr/bin:$PATH"
+
+./tools/testing/kunit/kunit.py run \
+  --arch "${KERNEL_ARCH}" \
+  --make_options LLVM=1 \
+  --kunitconfig=drivers/gpu/drm/tests

drivers/gpu/drm/ci/kunit.yml

@@ -0,0 +1,37 @@
+.kunit-packages: &kunit-packages
+  - apt-get update -qq
+  # Minimum supported version of LLVM for building x86 kernels is 15.0.0.
+  # In mesa-ci containers, LLVM_VERSION is defined as a container-level property and is currently set to 19.
+  - apt-get install -y --no-install-recommends clang-${LLVM_VERSION} lld-${LLVM_VERSION} llvm-${LLVM_VERSION}
+
+.kunit-base:
+  stage: kunit
+  timeout: "30m"
+  variables:
+    GIT_DEPTH: 1
+  script:
+    - drivers/gpu/drm/ci/kunit.sh
+
+kunit:arm32:
+  extends:
+    - .build:arm32
+    - .kunit-base
+  before_script:
+    - *kunit-packages
+    - apt-get install -y --no-install-recommends qemu-system-arm
+
+kunit:arm64:
+  extends:
+    - .build:arm64
+    - .kunit-base
+  before_script:
+    - *kunit-packages
+    - apt-get install -y --no-install-recommends qemu-system-aarch64
+
+kunit:x86_64:
+  extends:
+    - .build:x86_64
+    - .kunit-base
+  before_script:
+    - *kunit-packages
+    - apt-get install -y --no-install-recommends qemu-system-x86

drivers/gpu/drm/ci/setup-llvm-links.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: MIT
+set -euo pipefail
+
+ln -svf "$(which clang++-${LLVM_VERSION})"      /usr/bin/clang++
+ln -svf "$(which clang-${LLVM_VERSION})"        /usr/bin/clang
+ln -svf "$(which ld.lld-${LLVM_VERSION})"       /usr/bin/ld.lld
+ln -svf "$(which lld-${LLVM_VERSION})"          /usr/bin/lld
+ln -svf "$(which llvm-ar-${LLVM_VERSION})"      /usr/bin/llvm-ar
+ln -svf "$(which llvm-nm-${LLVM_VERSION})"      /usr/bin/llvm-nm
+ln -svf "$(which llvm-objcopy-${LLVM_VERSION})" /usr/bin/llvm-objcopy
+ln -svf "$(which llvm-readelf-${LLVM_VERSION})" /usr/bin/llvm-readelf
+ln -svf "$(which llvm-strip-${LLVM_VERSION})"   /usr/bin/llvm-strip

drivers/gpu/drm/display/drm_hdmi_helper.c

@@ -45,7 +45,7 @@ int drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
 
 	/* Sink EOTF is Bit map while infoframe is absolute values */
 	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
-	    connector->hdr_sink_metadata.hdmi_type1.eotf))
+			       connector->display_info.hdr_sink_metadata.hdmi_type1.eotf))
 		DRM_DEBUG_KMS("Unknown EOTF %d\n", hdr_metadata->hdmi_metadata_type1.eotf);
 
 	err = hdmi_drm_infoframe_init(frame);

drivers/gpu/drm/drm_connector.c

@@ -1687,7 +1687,7 @@ EXPORT_SYMBOL(drm_hdmi_connector_get_output_format_name);
  *	structure from userspace. This is received as blob and stored in
  *	&drm_connector_state.hdr_output_metadata. It parses EDID and saves the
  *	sink metadata in &struct hdr_sink_metadata, as
- *	&drm_connector.hdr_sink_metadata.  Driver uses
+ *	&drm_connector.display_info.hdr_sink_metadata.  Driver uses
  *	drm_hdmi_infoframe_set_hdr_metadata() helper to set the HDR metadata,
  *	hdmi_drm_infoframe_pack() to pack the infoframe as per spec, in case of
  *	HDMI encoder.

drivers/gpu/drm/drm_edid.c

@@ -5394,7 +5394,8 @@ static void fixup_detailed_cea_mode_clock(struct drm_connector *connector,
 
 static void drm_calculate_luminance_range(struct drm_connector *connector)
 {
-	struct hdr_static_metadata *hdr_metadata = &connector->hdr_sink_metadata.hdmi_type1;
+	const struct hdr_static_metadata *hdr_metadata =
+		&connector->display_info.hdr_sink_metadata.hdmi_type1;
 	struct drm_luminance_range_info *luminance_range =
 		&connector->display_info.luminance_range;
 	static const u8 pre_computed_values[] = {
@@ -5455,21 +5456,21 @@ static uint8_t hdr_metadata_type(const u8 *edid_ext)
 static void
 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
 {
+	struct hdr_static_metadata *hdr_metadata =
+		&connector->display_info.hdr_sink_metadata.hdmi_type1;
 	u16 len;
 
 	len = cea_db_payload_len(db);
 
-	connector->hdr_sink_metadata.hdmi_type1.eotf =
-						eotf_supported(db);
-	connector->hdr_sink_metadata.hdmi_type1.metadata_type =
-						hdr_metadata_type(db);
+	hdr_metadata->eotf = eotf_supported(db);
+	hdr_metadata->metadata_type = hdr_metadata_type(db);
 
 	if (len >= 4)
-		connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
+		hdr_metadata->max_cll = db[4];
 	if (len >= 5)
-		connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
+		hdr_metadata->max_fall = db[5];
 	if (len >= 6) {
-		connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
+		hdr_metadata->min_cll = db[6];
 
 		/* Calculate only when all values are available */
 		drm_calculate_luminance_range(connector);
@@ -6617,7 +6618,7 @@ static void drm_reset_display_info(struct drm_connector *connector)
 	info->has_hdmi_infoframe = false;
 	info->rgb_quant_range_selectable = false;
 	memset(&info->hdmi, 0, sizeof(info->hdmi));
-	memset(&connector->hdr_sink_metadata, 0, sizeof(connector->hdr_sink_metadata));
+	memset(&info->hdr_sink_metadata, 0, sizeof(info->hdr_sink_metadata));
 
 	info->edid_hdmi_rgb444_dc_modes = 0;
 	info->edid_hdmi_ycbcr444_dc_modes = 0;

drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c

@@ -145,7 +145,7 @@ intel_dp_aux_supports_hdr_backlight(struct intel_connector *connector)
 	 * ranges for such panels.
 	 */
 	if (display->params.enable_dpcd_backlight != INTEL_DP_AUX_BACKLIGHT_FORCE_INTEL &&
-	    !(connector->base.hdr_sink_metadata.hdmi_type1.metadata_type &
+	    !(connector->base.display_info.hdr_sink_metadata.hdmi_type1.metadata_type &
 	      BIT(HDMI_STATIC_METADATA_TYPE1))) {
 		drm_info(display->drm,
 			 "[CONNECTOR:%d:%s] Panel is missing HDR static metadata. Possible support for Intel HDR backlight interface is not used. If your backlight controls don't work try booting with i915.enable_dpcd_backlight=%d.\n",

drivers/gpu/drm/nouveau/nouveau_display.c

@@ -495,7 +495,7 @@ nouveau_display_hpd_work(struct work_struct *work)
 	if (first_changed_connector)
 		drm_connector_put(first_changed_connector);
 
-	pm_runtime_mark_last_busy(drm->dev->dev);
+	pm_runtime_mark_last_busy(dev->dev);
 noop:
 	pm_runtime_put_autosuspend(dev->dev);
 }

drivers/gpu/drm/panfrost/panfrost_drv.c

@@ -866,6 +866,8 @@ static const struct panfrost_compatible amlogic_data = {
 	.vendor_quirk = panfrost_gpu_amlogic_quirk,
 };
 
+static const char * const mediatek_pm_domains[] = { "core0", "core1", "core2",
+						    "core3", "core4" };
 /*
  * The old data with two power supplies for MT8183 is here only to
  * keep retro-compatibility with older devicetrees, as DVFS will
@@ -874,51 +876,53 @@ static const struct panfrost_compatible amlogic_data = {
  * On new devicetrees please use the _b variant with a single and
  * coupled regulators instead.
  */
-static const char * const mediatek_mt8183_supplies[] = { "mali", "sram", NULL };
-static const char * const mediatek_mt8183_pm_domains[] = { "core0", "core1", "core2" };
+static const char * const legacy_supplies[] = { "mali", "sram", NULL };
 static const struct panfrost_compatible mediatek_mt8183_data = {
-	.num_supplies = ARRAY_SIZE(mediatek_mt8183_supplies) - 1,
-	.supply_names = mediatek_mt8183_supplies,
-	.num_pm_domains = ARRAY_SIZE(mediatek_mt8183_pm_domains),
-	.pm_domain_names = mediatek_mt8183_pm_domains,
+	.num_supplies = ARRAY_SIZE(legacy_supplies) - 1,
+	.supply_names = legacy_supplies,
+	.num_pm_domains = 3,
+	.pm_domain_names = mediatek_pm_domains,
 };
 
-static const char * const mediatek_mt8183_b_supplies[] = { "mali", NULL };
 static const struct panfrost_compatible mediatek_mt8183_b_data = {
-	.num_supplies = ARRAY_SIZE(mediatek_mt8183_b_supplies) - 1,
-	.supply_names = mediatek_mt8183_b_supplies,
-	.num_pm_domains = ARRAY_SIZE(mediatek_mt8183_pm_domains),
-	.pm_domain_names = mediatek_mt8183_pm_domains,
+	.num_supplies = ARRAY_SIZE(default_supplies) - 1,
+	.supply_names = default_supplies,
+	.num_pm_domains = 3,
+	.pm_domain_names = mediatek_pm_domains,
 	.pm_features = BIT(GPU_PM_CLK_DIS) | BIT(GPU_PM_VREG_OFF),
 };
 
-static const char * const mediatek_mt8186_pm_domains[] = { "core0", "core1" };
 static const struct panfrost_compatible mediatek_mt8186_data = {
-	.num_supplies = ARRAY_SIZE(mediatek_mt8183_b_supplies) - 1,
-	.supply_names = mediatek_mt8183_b_supplies,
-	.num_pm_domains = ARRAY_SIZE(mediatek_mt8186_pm_domains),
-	.pm_domain_names = mediatek_mt8186_pm_domains,
+	.num_supplies = ARRAY_SIZE(default_supplies) - 1,
+	.supply_names = default_supplies,
+	.num_pm_domains = 2,
+	.pm_domain_names = mediatek_pm_domains,
 	.pm_features = BIT(GPU_PM_CLK_DIS) | BIT(GPU_PM_VREG_OFF),
 };
 
-/* MT8188 uses the same power domains and power supplies as MT8183 */
 static const struct panfrost_compatible mediatek_mt8188_data = {
-	.num_supplies = ARRAY_SIZE(mediatek_mt8183_b_supplies) - 1,
-	.supply_names = mediatek_mt8183_b_supplies,
-	.num_pm_domains = ARRAY_SIZE(mediatek_mt8183_pm_domains),
-	.pm_domain_names = mediatek_mt8183_pm_domains,
+	.num_supplies = ARRAY_SIZE(default_supplies) - 1,
+	.supply_names = default_supplies,
+	.num_pm_domains = 3,
+	.pm_domain_names = mediatek_pm_domains,
 	.pm_features = BIT(GPU_PM_CLK_DIS) | BIT(GPU_PM_VREG_OFF),
 	.gpu_quirks = BIT(GPU_QUIRK_FORCE_AARCH64_PGTABLE),
 };
 
-static const char * const mediatek_mt8192_supplies[] = { "mali", NULL };
-static const char * const mediatek_mt8192_pm_domains[] = { "core0", "core1", "core2",
-							   "core3", "core4" };
 static const struct panfrost_compatible mediatek_mt8192_data = {
-	.num_supplies = ARRAY_SIZE(mediatek_mt8192_supplies) - 1,
-	.supply_names = mediatek_mt8192_supplies,
-	.num_pm_domains = ARRAY_SIZE(mediatek_mt8192_pm_domains),
-	.pm_domain_names = mediatek_mt8192_pm_domains,
+	.num_supplies = ARRAY_SIZE(default_supplies) - 1,
+	.supply_names = default_supplies,
+	.num_pm_domains = 5,
+	.pm_domain_names = mediatek_pm_domains,
+	.pm_features = BIT(GPU_PM_CLK_DIS) | BIT(GPU_PM_VREG_OFF),
+	.gpu_quirks = BIT(GPU_QUIRK_FORCE_AARCH64_PGTABLE),
+};
+
+static const struct panfrost_compatible mediatek_mt8370_data = {
+	.num_supplies = ARRAY_SIZE(default_supplies) - 1,
+	.supply_names = default_supplies,
+	.num_pm_domains = 2,
+	.pm_domain_names = mediatek_pm_domains,
 	.pm_features = BIT(GPU_PM_CLK_DIS) | BIT(GPU_PM_VREG_OFF),
 	.gpu_quirks = BIT(GPU_QUIRK_FORCE_AARCH64_PGTABLE),
 };
@@ -945,6 +949,7 @@ static const struct of_device_id dt_match[] = {
 	{ .compatible = "mediatek,mt8186-mali", .data = &mediatek_mt8186_data },
 	{ .compatible = "mediatek,mt8188-mali", .data = &mediatek_mt8188_data },
 	{ .compatible = "mediatek,mt8192-mali", .data = &mediatek_mt8192_data },
+	{ .compatible = "mediatek,mt8370-mali", .data = &mediatek_mt8370_data },
 	{ .compatible = "allwinner,sun50i-h616-mali", .data = &allwinner_h616_data },
 	{}
 };

drivers/gpu/drm/tiny/bochs.c

@@ -19,6 +19,7 @@
 #include <drm/drm_gem_shmem_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_module.h>
+#include <drm/drm_panic.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
 
@@ -469,10 +470,28 @@ static void bochs_primary_plane_helper_atomic_update(struct drm_plane *plane,
 	bochs_hw_setformat(bochs, fb->format);
 }
 
+static int bochs_primary_plane_helper_get_scanout_buffer(struct drm_plane *plane,
+							 struct drm_scanout_buffer *sb)
+{
+	struct bochs_device *bochs = to_bochs_device(plane->dev);
+	struct iosys_map map = IOSYS_MAP_INIT_VADDR_IOMEM(bochs->fb_map);
+
+	if (plane->state && plane->state->fb) {
+		sb->format = plane->state->fb->format;
+		sb->width = plane->state->fb->width;
+		sb->height = plane->state->fb->height;
+		sb->pitch[0] = plane->state->fb->pitches[0];
+		sb->map[0] = map;
+		return 0;
+	}
+	return -ENODEV;
+}
+
 static const struct drm_plane_helper_funcs bochs_primary_plane_helper_funcs = {
 	DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
 	.atomic_check = bochs_primary_plane_helper_atomic_check,
 	.atomic_update = bochs_primary_plane_helper_atomic_update,
+	.get_scanout_buffer = bochs_primary_plane_helper_get_scanout_buffer,
 };
 
 static const struct drm_plane_funcs bochs_primary_plane_funcs = {

include/drm/drm_connector.h

@@ -799,6 +799,11 @@ struct drm_display_info {
 	 */
 	struct drm_hdmi_info hdmi;
 
+	/**
+	 * @hdr_sink_metadata: HDR Metadata Information read from sink
+	 */
+	struct hdr_sink_metadata hdr_sink_metadata;
+
 	/**
 	 * @non_desktop: Non desktop display (HMD).
 	 */
@@ -2286,9 +2291,6 @@ struct drm_connector {
 	 */
 	struct llist_node free_node;
 
-	/** @hdr_sink_metadata: HDR Metadata Information read from sink */
-	struct hdr_sink_metadata hdr_sink_metadata;
-
 	/**
 	 * @hdmi: HDMI-related variable and properties.
 	 */