Merge tag 'drm-misc-next-2024-04-19' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for v6.10-rc1:

UAPI Changes:
- Add SIZE_HINTS property for cursor planes.

Cross-subsystem Changes:

Core Changes:
- Document the requirements and expectations of adding new
  driver-specific properties.
- Assorted small fixes to ttm.
- More Kconfig fixes.
- Add struct drm_edid_product_id and helpers.
- Use drm device based logging in more drm functions.
- Fixes for drm-panic, and option to test it.
- Assorted small fixes and updates to edid.
- Add drm_crtc_vblank_crtc and use it in vkms, nouveau.

Driver Changes:
- Assorted small fixes and improvements to bridge/imx8mp-hdmi-tx, nouveau, ast, qaic, lima, vc4, bridge/anx7625, mipi-dsi.
- Add drm panic to simpledrm, mgag200, imx, ast.
- Use dev_err_probe in bridge/panel drivers.
- Add Innolux G121X1-L03, LG sw43408 panels.
- Use struct drm_edid in i915 bios parsing.

Signed-off-by: Dave Airlie <[email protected]>
From: Maarten Lankhorst <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 39ef0a6addeb..fb97b51b38f1 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -38,6 +38,7 @@
 #include <drm/drm_drv.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_panic.h>
 #include <drm/drm_print.h>
 #include <drm/drm_self_refresh_helper.h>
 #include <drm/drm_vblank.h>
@@ -3016,6 +3017,7 @@ int drm_atomic_helper_swap_state(struct drm_atomic_state *state,
 				  bool stall)
 {
 	int i, ret;
+	unsigned long flags;
 	struct drm_connector *connector;
 	struct drm_connector_state *old_conn_state, *new_conn_state;
 	struct drm_crtc *crtc;
@@ -3099,6 +3101,7 @@ int drm_atomic_helper_swap_state(struct drm_atomic_state *state,
 		}
 	}
 
+	drm_panic_lock(state->dev, flags);
 	for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
 		WARN_ON(plane->state != old_plane_state);
 
@@ -3108,6 +3111,7 @@ int drm_atomic_helper_swap_state(struct drm_atomic_state *state,
 		state->planes[i].state = old_plane_state;
 		plane->state = new_plane_state;
 	}
+	drm_panic_unlock(state->dev, flags);
 
 	for_each_oldnew_private_obj_in_state(state, obj, old_obj_state, new_obj_state, i) {
 		WARN_ON(obj->state != old_obj_state);