Merge tag 'drm-misc-fixes-2025-02-13' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes

Some locking fixes for the HDMI infrastructure tests, an unitialized
mutex fix for host1x, an unitialized variable fix for panthor, and a
config selection fix for hibmc.

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

From: Maxime Ripard <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213-brilliant-terrier-from-hell-d06dd5@houat

Author: airlied

drivers/gpu/drm/display/drm_dp_helper.c

@@ -2544,7 +2544,7 @@ u8 drm_dp_dsc_sink_bpp_incr(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
 {
 	u8 bpp_increment_dpcd = dsc_dpcd[DP_DSC_BITS_PER_PIXEL_INC - DP_DSC_SUPPORT];
 
-	switch (bpp_increment_dpcd) {
+	switch (bpp_increment_dpcd & DP_DSC_BITS_PER_PIXEL_MASK) {
 	case DP_DSC_BITS_PER_PIXEL_1_16:
 		return 16;
 	case DP_DSC_BITS_PER_PIXEL_1_8:

drivers/gpu/drm/hisilicon/hibmc/Kconfig

@@ -4,6 +4,8 @@ config DRM_HISI_HIBMC
 	depends on DRM && PCI
 	depends on MMU
 	select DRM_CLIENT_SELECTION
+	select DRM_DISPLAY_HELPER
+	select DRM_DISPLAY_DP_HELPER
 	select DRM_KMS_HELPER
 	select DRM_VRAM_HELPER
 	select DRM_TTM

drivers/gpu/drm/panthor/panthor_drv.c

@@ -802,6 +802,7 @@ static void panthor_query_group_priorities_info(struct drm_file *file,
 {
 	int prio;
 
+	memset(arg, 0, sizeof(*arg));
 	for (prio = PANTHOR_GROUP_PRIORITY_REALTIME; prio >= 0; prio--) {
 		if (!group_priority_permit(file, prio))
 			arg->allowed_mask |= BIT(prio);