diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 109fde8b4a28..c0312cbd023d 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -2585,7 +2585,22 @@ void intel_crt_init(struct drm_device *dev)
| Description/Restrictions |
- | DRM |
+ DRM |
+ Generic |
+ “rotation” |
+ BITMASK |
+ { 0, "rotate-0" },
+ { 1, "rotate-90" },
+ { 2, "rotate-180" },
+ { 3, "rotate-270" },
+ { 4, "reflect-x" },
+ { 5, "reflect-y" } |
+ CRTC, Plane |
+ rotate-(degrees) rotates the image by the specified amount in degrees
+ in counter clockwise direction. reflect-x and reflect-y reflects the
+ image along the specified axis prior to rotation |
+
+
| Connector |
“EDID” |
BLOB | IMMUTABLE |
@@ -2846,7 +2861,7 @@ void intel_crt_init(struct drm_device *dev)
TBD |
- | i915 |
+ i915 |
Generic |
"Broadcast RGB" |
ENUM |
@@ -2862,14 +2877,6 @@ void intel_crt_init(struct drm_device *dev)
TBD |
- | Plane |
- “rotation” |
- BITMASK |
- { 0, "rotate-0" }, { 2, "rotate-180" } |
- Plane |
- TBD |
-
-
| SDVO-TV |
“mode” |
ENUM |
@@ -3377,19 +3384,7 @@ void intel_crt_init(struct drm_device *dev)
| omap |
- Generic |
- “rotation” |
- BITMASK |
- { 0, "rotate-0" },
- { 1, "rotate-90" },
- { 2, "rotate-180" },
- { 3, "rotate-270" },
- { 4, "reflect-x" },
- { 5, "reflect-y" } |
- CRTC, Plane |
- TBD |
-
-
+ | Generic |
“zorder” |
RANGE |
Min=0, Max=3 |
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index c7e59b074e62..f6f2fb58eb37 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1216,8 +1216,7 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
if (!state->allow_modeset) {
for_each_crtc_in_state(state, crtc, crtc_state, i) {
- if (crtc_state->mode_changed ||
- crtc_state->active_changed) {
+ if (drm_atomic_crtc_needs_modeset(crtc_state)) {
DRM_DEBUG_ATOMIC("[CRTC:%d] requires full modeset\n",
crtc->base.id);
return -EINVAL;
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 536ae4da4665..5b59d5ad7d1c 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -331,12 +331,6 @@ mode_fixup(struct drm_atomic_state *state)
return 0;
}
-static bool
-needs_modeset(struct drm_crtc_state *state)
-{
- return state->mode_changed || state->active_changed;
-}
-
/**
* drm_atomic_helper_check_modeset - validate state object for modeset changes
* @dev: DRM device
@@ -414,7 +408,7 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
crtc_state->active_changed = true;
}
- if (!needs_modeset(crtc_state))
+ if (!drm_atomic_crtc_needs_modeset(crtc_state))
continue;
DRM_DEBUG_ATOMIC("[CRTC:%d] needs all connectors, enable: %c, active: %c\n",
@@ -564,7 +558,7 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
old_crtc_state = old_state->crtc_states[drm_crtc_index(old_conn_state->crtc)];
if (!old_crtc_state->active ||
- !needs_modeset(old_conn_state->crtc->state))
+ !drm_atomic_crtc_needs_modeset(old_conn_state->crtc->state))
continue;
encoder = old_conn_state->best_encoder;
@@ -601,7 +595,7 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
const struct drm_crtc_helper_funcs *funcs;
/* Shut down everything that needs a full modeset. */
- if (!needs_modeset(crtc->state))
+ if (!drm_atomic_crtc_needs_modeset(crtc->state))
continue;
if (!old_crtc_state->active)
@@ -792,7 +786,7 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
const struct drm_crtc_helper_funcs *funcs;
/* Need to filter out CRTCs where only planes change. */
- if (!needs_modeset(crtc->state))
+ if (!drm_atomic_crtc_needs_modeset(crtc->state))
continue;
if (!crtc->state->active)
@@ -819,7 +813,7 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
continue;
if (!connector->state->crtc->state->active ||
- !needs_modeset(connector->state->crtc->state))
+ !drm_atomic_crtc_needs_modeset(connector->state->crtc->state))
continue;
encoder = connector->state->best_encoder;
@@ -1561,10 +1555,14 @@ static int update_output_state(struct drm_atomic_state *state,
if (crtc == set->crtc)
continue;
- crtc_state->enable =
- drm_atomic_connectors_for_crtc(state, crtc);
- if (!crtc_state->enable)
+ if (!drm_atomic_connectors_for_crtc(state, crtc)) {
+ ret = drm_atomic_set_mode_prop_for_crtc(crtc_state,
+ NULL);
+ if (ret < 0)
+ return ret;
+
crtc_state->active = false;
+ }
}
return 0;
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
index 9a62d7a53553..6743ff7dccfa 100644
--- a/drivers/gpu/drm/drm_cache.c
+++ b/drivers/gpu/drm/drm_cache.c
@@ -130,11 +130,12 @@ drm_clflush_virt_range(void *addr, unsigned long length)
{
#if defined(CONFIG_X86)
if (cpu_has_clflush) {
+ const int size = boot_cpu_data.x86_clflush_size;
void *end = addr + length;
+ addr = (void *)(((unsigned long)addr) & -size);
mb();
- for (; addr < end; addr += boot_cpu_data.x86_clflush_size)
+ for (; addr < end; addr += size)
clflushopt(addr);
- clflushopt(end - 1);
mb();
return;
}
diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
index e419eedf751d..bd75f303da63 100644
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
@@ -110,7 +110,7 @@ struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
cma_obj->vaddr = dma_alloc_writecombine(drm->dev, size,
&cma_obj->paddr, GFP_KERNEL | __GFP_NOWARN);
if (!cma_obj->vaddr) {
- dev_err(drm->dev, "failed to allocate buffer with size %d\n",
+ dev_err(drm->dev, "failed to allocate buffer with size %zu\n",
size);
ret = -ENOMEM;
goto error;
@@ -388,7 +388,7 @@ void drm_gem_cma_describe(struct drm_gem_cma_object *cma_obj,
off = drm_vma_node_start(&obj->vma_node);
- seq_printf(m, "%2d (%2d) %08llx %pad %p %d",
+ seq_printf(m, "%2d (%2d) %08llx %pad %p %zu",
obj->name, obj->refcount.refcount.counter,
off, &cma_obj->paddr, cma_obj->vaddr, obj->size);
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 162dd29b2451..9f935f55d74c 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -309,7 +309,7 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
* Drivers can implement @gem_prime_export and @gem_prime_import in terms of
* simpler APIs by using the helper functions @drm_gem_prime_export and
* @drm_gem_prime_import. These functions implement dma-buf support in terms of
- * five lower-level driver callbacks:
+ * six lower-level driver callbacks:
*
* Export callbacks:
*
@@ -321,6 +321,8 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
*
* - @gem_prime_vunmap: vunmap a buffer exported by your driver
*
+ * - @gem_prime_mmap (optional): mmap a buffer exported by your driver
+ *
* Import callback:
*
* - @gem_prime_import_sg_table (import): produce a GEM object from another
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 1bbfedf466b9..8a3a913320eb 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -163,5 +163,11 @@ int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
(plane_state) = (state)->plane_states[__i], 1); \
(__i)++) \
if (plane_state)
+static inline bool
+drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state)
+{
+ return state->mode_changed || state->active_changed;
+}
+
#endif /* DRM_ATOMIC_H_ */