Merge tag 'drm-misc-next-2026-09-17' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for v7.4:

UAPI Changes:

ivpu:
- add DRM_IVPU_CAP_CMDQ_SET_PRIORITY

Cross-subsystem Changes:

dma-fence:
- fix documentation

vga_switcheroo:
- disconnect from fbcon; update fbcon from within DRM fbdev emulation

Core Changes:

atomic:
- replace state reset callback with create_state throughout DRM core
and drivers

panic:
- split into core and helpers

sched:
- clean up interface

sysfs:
- drop drm_class_device_register()

Driver Changes:

amdxdna:
- fix BO handling

arcpgu:
- replace simple-display pipeline with regular atomic helpers

aspeed:
- replace simple-display pipeline with regular atomic helpers

gm12u320:
- replace simple-display pipeline with regular atomic helpers

imagination:
- various improvement to firmware interaction

ivpu:
- support command-queue priority ioctl

mcde:
- replace simple-display pipeline with regular atomic helpers

p111:
- replace simple-display pipeline with regular atomic helpers
- drop unsupported alpha formats from primary plane

panel:
- edp: Add support for BOE NV140FHM-T0A
- samsung: Share test-key helpers

rcar-du:
- support Renesas R-Car V4H DSC
- dsi: Support larger transfers with AXI memory

repaper:
- replace simple-display pipeline with regular atomic helpers

rockchip:
- dsi: improve PHY timings

ssd130x:
- support Solomon SSD1351 OLED plus DT bindings
- ssd133x: upgrade color format to RGB565

tve200:
- replace simple-display pipeline with regular atomic helpers

xen:
- replace simple-display pipeline with regular atomic helpers

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

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260917090534.GA420415@2a02-2455-9062-2500-ec39-e8a6-193-9c05.dyn6.pyur.net

2 files changed, 22 insertions, 32 deletions

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_crtc_test.c b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_crtc_test.c
index bc2b115b48b0..9b15f53a9c62 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_crtc_test.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_crtc_test.c
@@ -1604,18 +1604,18 @@ static void dm_test_crtc_destroy_cleans_up_and_frees(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, adev->ddev.mode_config.num_crtc, 0);
 }
 
-/* Tests for amdgpu_dm_crtc_reset_state() */
+/* Tests for amdgpu_dm_crtc_create_state() */
 
 /**
- * dm_test_crtc_reset_state_allocates_state - Test reset installs a fresh state
+ * dm_test_crtc_create_state_allocates_state - Test create_state allocates a fresh state
  * @test: The KUnit test context
  *
- * Resetting a CRTC with no existing state must allocate and install a new
- * drm_crtc_state.
+ * Creating state for a CRTC must allocate a new drm_crtc_state.
  */
-static void dm_test_crtc_reset_state_allocates_state(struct kunit *test)
+static void dm_test_crtc_create_state_allocates_state(struct kunit *test)
 {
 	struct amdgpu_device *adev = dm_kunit_alloc_adev(test);
+	struct drm_crtc_state *crtc_state;
 	struct drm_crtc *crtc;
 
 	crtc = kunit_kzalloc(test, sizeof(*crtc), GFP_KERNEL);
@@ -1623,12 +1623,11 @@ static void dm_test_crtc_reset_state_allocates_state(struct kunit *test)
 	crtc->dev = &adev->ddev;
 	crtc->state = NULL;
 
-	amdgpu_dm_crtc_reset_state(crtc);
-
-	KUNIT_EXPECT_NOT_NULL(test, crtc->state);
+	crtc_state = amdgpu_dm_crtc_create_state(crtc);
+	KUNIT_EXPECT_NOT_ERR_OR_NULL(test, crtc_state);
 
-	if (crtc->state)
-		amdgpu_dm_crtc_destroy_state(crtc, crtc->state);
+	if (!IS_ERR(crtc_state))
+		amdgpu_dm_crtc_destroy_state(crtc, crtc_state);
 }
 
 /**
@@ -2638,9 +2637,8 @@ static struct kunit_case amdgpu_dm_crtc_tests[] = {
 	KUNIT_CASE(dm_test_crtc_duplicate_state_null_state_returns_null),
 	/* amdgpu_dm_crtc_destroy */
 	KUNIT_CASE(dm_test_crtc_destroy_cleans_up_and_frees),
-	/* amdgpu_dm_crtc_reset_state */
-	KUNIT_CASE(dm_test_crtc_reset_state_allocates_state),
-	KUNIT_CASE(dm_test_crtc_reset_state_replaces_existing),
+	/* amdgpu_dm_crtc_create_state */
+	KUNIT_CASE(dm_test_crtc_create_state_allocates_state),
 	/* amdgpu_dm_crtc_destroy_state */
 	KUNIT_CASE(dm_test_crtc_destroy_state_no_stream),
 	KUNIT_CASE(dm_test_crtc_destroy_state_releases_stream),
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_plane_test.c b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_plane_test.c
index 5ae627bb55cc..1b0d3f16ef1a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_plane_test.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_plane_test.c
@@ -2937,36 +2937,28 @@ static const struct drm_plane_funcs dm_test_plane_reset_funcs = {
 };
 
 /**
- * dm_test_plane_reset_initializes_state() - Verify reset installs default state.
+ * dm_test_plane_create_state_initializes_state() - Verify create_state allocates default state.
  * @test: KUnit test context.
  *
- * Verify amdgpu_dm_plane_drm_plane_reset() destroys the existing plane state,
- * allocates a fresh dm_plane_state, and initializes the AMD-specific transfer
- * function and HDR multiplier defaults.
+ * Verify amdgpu_dm_plane_drm_plane_create_state() allocates a fresh
+ * dm_plane_state, and initializes the AMD-specific transfer function and HDR
+ * multiplier defaults.
  */
-static void dm_test_plane_reset_initializes_state(struct kunit *test)
+static void dm_test_plane_create_state_initializes_state(struct kunit *test)
 {
-	struct dm_plane_state *old_state;
+	struct drm_plane_state *plane_state;
 	struct dm_plane_state *new_state;
 	struct drm_plane *plane;
 
 	plane = kunit_kzalloc(test, sizeof(*plane), GFP_KERNEL);
 	KUNIT_ASSERT_NOT_NULL(test, plane);
 
-	/*
-	 * Provide an existing state plus a funcs table so reset exercises the
-	 * destroy-existing-state path. The destroy hook frees this state, so it
-	 * must be a plain (non-KUnit-managed) allocation.
-	 */
-	old_state = kzalloc_obj(*old_state);
-	KUNIT_ASSERT_NOT_NULL(test, old_state);
 	plane->funcs = &dm_test_plane_reset_funcs;
-	plane->state = &old_state->base;
 
-	amdgpu_dm_plane_drm_plane_reset(plane);
+	plane_state = amdgpu_dm_plane_drm_plane_create_state(plane);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, plane_state);
 
-	KUNIT_ASSERT_NOT_NULL(test, plane->state);
-	new_state = to_dm_plane_state(plane->state);
+	new_state = to_dm_plane_state(plane_state);
 	KUNIT_EXPECT_EQ(test, new_state->degamma_tf, AMDGPU_TRANSFER_FUNCTION_DEFAULT);
 	KUNIT_EXPECT_EQ(test, new_state->hdr_mult, AMDGPU_HDR_MULT_DEFAULT);
 	KUNIT_EXPECT_EQ(test, new_state->shaper_tf, AMDGPU_TRANSFER_FUNCTION_DEFAULT);
@@ -3765,8 +3757,8 @@ static struct kunit_case amdgpu_dm_plane_test_cases[] = {
 	KUNIT_CASE(dm_test_atomic_check_scaling_failure),
 	/* amdgpu_dm_plane_panic_flush() */
 	KUNIT_CASE(dm_test_panic_flush_no_dc_state),
-	/* amdgpu_dm_plane_drm_plane_reset() */
-	KUNIT_CASE(dm_test_plane_reset_initializes_state),
+	/* amdgpu_dm_plane_drm_plane_create_state() */
+	KUNIT_CASE(dm_test_plane_create_state_initializes_state),
 	/* amdgpu_dm_plane_drm_plane_duplicate_state() */
 	KUNIT_CASE(dm_test_plane_duplicate_state_copies_fields),
 	KUNIT_CASE(dm_test_plane_duplicate_state_copies_resources),