Merge tag 'topic/drm-misc-2015-06-22' of git://anongit.freedesktop.org/drm-intel into drm-next

One more drm-misc pull for 4.2. The important one is the fix from Laurent
for Daniel Stone's mode_blob work.

* tag 'topic/drm-misc-2015-06-22' of git://anongit.freedesktop.org/drm-intel:
  drm/atomic: Don't set crtc_state->enable manually
  drm: prime: Document gem_prime_mmap
  drm: Avoid the double clflush on the last cache line in drm_clflush_virt_range()
  drm/atomic: Extract needs_modeset function
  drm/cma: Fix 64-bit size_t build warnings
  Documentation/drm: Update rotation property

Documentation/DocBook/drm.tmpl

@@ -2585,7 +2585,22 @@ void intel_crt_init(struct drm_device *dev)
 	<td valign="top" >Description/Restrictions</td>
 	</tr>
 	<tr>
-	<td rowspan="36" valign="top" >DRM</td>
+	<td rowspan="37" valign="top" >DRM</td>
+	<td valign="top" >Generic</td>
+	<td valign="top" >“rotation”</td>
+	<td valign="top" >BITMASK</td>
+	<td valign="top" >{ 0, "rotate-0" },
+	{ 1, "rotate-90" },
+	{ 2, "rotate-180" },
+	{ 3, "rotate-270" },
+	{ 4, "reflect-x" },
+	{ 5, "reflect-y" }</td>
+	<td valign="top" >CRTC, Plane</td>
+	<td valign="top" >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</td>
+	</tr>
+	<tr>
 	<td rowspan="5" valign="top" >Connector</td>
 	<td valign="top" >“EDID”</td>
 	<td valign="top" >BLOB | IMMUTABLE</td>
@@ -2846,7 +2861,7 @@ void intel_crt_init(struct drm_device *dev)
 	<td valign="top" >TBD</td>
 	</tr>
 	<tr>
-	<td rowspan="21" valign="top" >i915</td>
+	<td rowspan="20" valign="top" >i915</td>
 	<td rowspan="2" valign="top" >Generic</td>
 	<td valign="top" >"Broadcast RGB"</td>
 	<td valign="top" >ENUM</td>
@@ -2862,14 +2877,6 @@ void intel_crt_init(struct drm_device *dev)
 	<td valign="top" >TBD</td>
 	</tr>
 	<tr>
-	<td rowspan="1" valign="top" >Plane</td>
-	<td valign="top" >“rotation”</td>
-	<td valign="top" >BITMASK</td>
-	<td valign="top" >{ 0, "rotate-0" }, { 2, "rotate-180" }</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
 	<td rowspan="17" valign="top" >SDVO-TV</td>
 	<td valign="top" >“mode”</td>
 	<td valign="top" >ENUM</td>
@@ -3377,19 +3384,7 @@ void intel_crt_init(struct drm_device *dev)
 	</tr>
 	<tr>
 	<td rowspan="2" valign="top" >omap</td>
-	<td rowspan="2" valign="top" >Generic</td>
-	<td valign="top" >“rotation”</td>
-	<td valign="top" >BITMASK</td>
-	<td valign="top" >{ 0, "rotate-0" },
-	{ 1, "rotate-90" },
-	{ 2, "rotate-180" },
-	{ 3, "rotate-270" },
-	{ 4, "reflect-x" },
-	{ 5, "reflect-y" }</td>
-	<td valign="top" >CRTC, Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
+	<td valign="top" >Generic</td>
 	<td valign="top" >“zorder”</td>
 	<td valign="top" >RANGE</td>
 	<td valign="top" >Min=0, Max=3</td>

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;

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;

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;
 	}

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);
 

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

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_ */