Merge tag 'drm-misc-next-2024-03-28' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

Two misc-next in one.

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

The deal of a lifetime! You get ALL of the previous
drm-misc-next-2024-03-21-1 tag!!

But WAIT, there's MORE!

Cross-subsystem Changes:
- Assorted DT binding updates.

Core Changes:
- Clarify how optional wait_hpd_asserted is.
- Shuffle Kconfig names around.

Driver Changes:
- Assorted build fixes for panthor, imagination,
- Add AUO B120XAN01.0 panels.
- Assorted small fixes to panthor, panfrost.

drm-misc-next for v6.10:
UAPI Changes:
- Move some nouveau magic constants to uapi.

Cross-subsystem Changes:
- Move drm-misc to gitlab and freedesktop hosting.
- Add entries for panfrost.

Core Changes:
- Improve placement for TTM bo's in idle/busy handling.
- Improve drm/bridge init ordering.
- Add CONFIG_DRM_WERROR, and use W=1 for drm.
- Assorted documentation updates.
- Make more (drm and driver) headers self-contained and add header
  guards.
- Grab reservation lock in pin/unpin callbacks.
- Fix reservation lock handling for vmap.
- Add edp and edid panel matching, use it to fix a nearly identical
  panel.

Driver Changes:
- Add drm/panthor driver and assorted fixes.
- Assorted small fixes to xlnx, panel-edp, tidss, ci, nouveau,
  panel and bridge drivers.
- Add Samsung s6e3fa7, BOE NT116WHM-N44, CMN N116BCA-EA1,
  CrystalClear CMT430B19N00, Startek KD050HDFIA020-C020A,
  powertip PH128800T006-ZHC01 panels.
- Fix console for omapdrm.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/bea310a6-6ff6-477e-9363-f9f053cfd12a@linux.intel.com

3 files changed, 15 insertions, 17 deletions

diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
index 1e46b0a6e478..5893e27a7ae5 100644
--- a/drivers/gpu/drm/qxl/qxl_object.c
+++ b/drivers/gpu/drm/qxl/qxl_object.c
@@ -29,9 +29,6 @@
 #include "qxl_drv.h"
 #include "qxl_object.h"
 
-static int __qxl_bo_pin(struct qxl_bo *bo);
-static void __qxl_bo_unpin(struct qxl_bo *bo);
-
 static void qxl_ttm_bo_destroy(struct ttm_buffer_object *tbo)
 {
 	struct qxl_bo *bo;
@@ -167,13 +164,9 @@ int qxl_bo_vmap_locked(struct qxl_bo *bo, struct iosys_map *map)
 		goto out;
 	}
 
-	r = __qxl_bo_pin(bo);
-	if (r)
-		return r;
-
 	r = ttm_bo_vmap(&bo->tbo, &bo->map);
 	if (r) {
-		__qxl_bo_unpin(bo);
+		qxl_bo_unpin_locked(bo);
 		return r;
 	}
 	bo->map_count = 1;
@@ -246,7 +239,6 @@ void qxl_bo_vunmap_locked(struct qxl_bo *bo)
 		return;
 	bo->kptr = NULL;
 	ttm_bo_vunmap(&bo->tbo, &bo->map);
-	__qxl_bo_unpin(bo);
 }
 
 int qxl_bo_vunmap(struct qxl_bo *bo)
@@ -290,12 +282,14 @@ struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo)
 	return bo;
 }
 
-static int __qxl_bo_pin(struct qxl_bo *bo)
+int qxl_bo_pin_locked(struct qxl_bo *bo)
 {
 	struct ttm_operation_ctx ctx = { false, false };
 	struct drm_device *ddev = bo->tbo.base.dev;
 	int r;
 
+	dma_resv_assert_held(bo->tbo.base.resv);
+
 	if (bo->tbo.pin_count) {
 		ttm_bo_pin(&bo->tbo);
 		return 0;
@@ -309,14 +303,16 @@ static int __qxl_bo_pin(struct qxl_bo *bo)
 	return r;
 }
 
-static void __qxl_bo_unpin(struct qxl_bo *bo)
+void qxl_bo_unpin_locked(struct qxl_bo *bo)
 {
+	dma_resv_assert_held(bo->tbo.base.resv);
+
 	ttm_bo_unpin(&bo->tbo);
 }
 
 /*
  * Reserve the BO before pinning the object.  If the BO was reserved
- * beforehand, use the internal version directly __qxl_bo_pin.
+ * beforehand, use the internal version directly qxl_bo_pin_locked.
  *
  */
 int qxl_bo_pin(struct qxl_bo *bo)
@@ -327,14 +323,14 @@ int qxl_bo_pin(struct qxl_bo *bo)
 	if (r)
 		return r;
 
-	r = __qxl_bo_pin(bo);
+	r = qxl_bo_pin_locked(bo);
 	qxl_bo_unreserve(bo);
 	return r;
 }
 
 /*
  * Reserve the BO before pinning the object.  If the BO was reserved
- * beforehand, use the internal version directly __qxl_bo_unpin.
+ * beforehand, use the internal version directly qxl_bo_unpin_locked.
  *
  */
 int qxl_bo_unpin(struct qxl_bo *bo)
@@ -345,7 +341,7 @@ int qxl_bo_unpin(struct qxl_bo *bo)
 	if (r)
 		return r;
 
-	__qxl_bo_unpin(bo);
+	qxl_bo_unpin_locked(bo);
 	qxl_bo_unreserve(bo);
 	return 0;
 }
diff --git a/drivers/gpu/drm/qxl/qxl_object.h b/drivers/gpu/drm/qxl/qxl_object.h
index 53392cb90eec..1cf5bc759101 100644
--- a/drivers/gpu/drm/qxl/qxl_object.h
+++ b/drivers/gpu/drm/qxl/qxl_object.h
@@ -67,6 +67,8 @@ void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int pa
 void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
 extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
 extern void qxl_bo_unref(struct qxl_bo **bo);
+extern int qxl_bo_pin_locked(struct qxl_bo *bo);
+extern void qxl_bo_unpin_locked(struct qxl_bo *bo);
 extern int qxl_bo_pin(struct qxl_bo *bo);
 extern int qxl_bo_unpin(struct qxl_bo *bo);
 extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain);
diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c
index 9169c26357d3..19bf551a7b31 100644
--- a/drivers/gpu/drm/qxl/qxl_prime.c
+++ b/drivers/gpu/drm/qxl/qxl_prime.c
@@ -32,14 +32,14 @@ int qxl_gem_prime_pin(struct drm_gem_object *obj)
 {
 	struct qxl_bo *bo = gem_to_qxl_bo(obj);
 
-	return qxl_bo_pin(bo);
+	return qxl_bo_pin_locked(bo);
 }
 
 void qxl_gem_prime_unpin(struct drm_gem_object *obj)
 {
 	struct qxl_bo *bo = gem_to_qxl_bo(obj);
 
-	qxl_bo_unpin(bo);
+	qxl_bo_unpin_locked(bo);
 }
 
 struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj)