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omapdrm fixes for 4.2

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Small fixes for omapdrm, including:
 * Fix packed 24 bit color formats
 * Ensure the planes are inside the crtc
 * Handle out-of-dma-memory error
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Merge tag 'omapdrm-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-fixes

omapdrm fixes for 4.2

Small fixes for omapdrm, including:
* Fix packed 24 bit color formats
* Ensure the planes are inside the crtc
* Handle out-of-dma-memory error

* tag 'omapdrm-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  drm/omap: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN
  drm/omap: fix align_pitch() for 24 bits per pixel
  drm/omap: fix omap_gem_put_paddr() error handling
  drm/omap: fix omap_framebuffer_unpin() error handling
  drm/omap: increase DMM transaction timeout
  drm/omap: check that plane is inside crtc
  drm/omap: return error if dma_alloc_writecombine fails
This commit is contained in:
Dave Airlie 2015-07-10 15:59:35 +10:00
parent 59e7a16d60 743c16719f
commit 2d28b633c3
6 changed files with 49 additions and 29 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
View file

@ -285,7 +285,7 @@ static int dmm_txn_commit(struct dmm_txn *txn, bool wait)
if (wait) {
if (!wait_for_completion_timeout(&engine->compl,
msecs_to_jiffies(1))) {
msecs_to_jiffies(100))) {
dev_err(dmm->dev, "timed out waiting for done\n");
ret = -ETIMEDOUT;
}

6
drivers/gpu/drm/omapdrm/omap_drv.h
View file

@ -177,7 +177,7 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
int omap_framebuffer_pin(struct drm_framebuffer *fb);
int omap_framebuffer_unpin(struct drm_framebuffer *fb);
void omap_framebuffer_unpin(struct drm_framebuffer *fb);
void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
struct omap_drm_window *win, struct omap_overlay_info *info);
struct drm_connector *omap_framebuffer_get_next_connector(
@ -211,7 +211,7 @@ void omap_gem_dma_sync(struct drm_gem_object *obj,
enum dma_data_direction dir);
int omap_gem_get_paddr(struct drm_gem_object *obj,
dma_addr_t *paddr, bool remap);
int omap_gem_put_paddr(struct drm_gem_object *obj);
void omap_gem_put_paddr(struct drm_gem_object *obj);
int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
bool remap);
int omap_gem_put_pages(struct drm_gem_object *obj);
@ -236,7 +236,7 @@ static inline int align_pitch(int pitch, int width, int bpp)
/* PVR needs alignment to 8 pixels.. right now that is the most
* restrictive stride requirement..
*/
return ALIGN(pitch, 8 * bytespp);
return roundup(pitch, 8 * bytespp);
}
/* map crtc to vblank mask */

16
drivers/gpu/drm/omapdrm/omap_fb.c
View file

@ -287,10 +287,10 @@ fail:
}
/* unpin, no longer being scanned out: */
int omap_framebuffer_unpin(struct drm_framebuffer *fb)
void omap_framebuffer_unpin(struct drm_framebuffer *fb)
{
struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
int ret, i, n = drm_format_num_planes(fb->pixel_format);
int i, n = drm_format_num_planes(fb->pixel_format);
mutex_lock(&omap_fb->lock);
@ -298,24 +298,16 @@ int omap_framebuffer_unpin(struct drm_framebuffer *fb)
if (omap_fb->pin_count > 0) {
mutex_unlock(&omap_fb->lock);
return 0;
return;
}
for (i = 0; i < n; i++) {
struct plane *plane = &omap_fb->planes[i];
ret = omap_gem_put_paddr(plane->bo);
if (ret)
goto fail;
omap_gem_put_paddr(plane->bo);
plane->paddr = 0;
}
mutex_unlock(&omap_fb->lock);
return 0;
fail:
mutex_unlock(&omap_fb->lock);
return ret;
}
struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p)

2
drivers/gpu/drm/omapdrm/omap_fbdev.c
View file

@ -135,7 +135,7 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
fbdev->ywrap_enabled = priv->has_dmm && ywrap_enabled;
if (fbdev->ywrap_enabled) {
/* need to align pitch to page size if using DMM scrolling */
mode_cmd.pitches[0] = ALIGN(mode_cmd.pitches[0], PAGE_SIZE);
mode_cmd.pitches[0] = PAGE_ALIGN(mode_cmd.pitches[0]);
}
/* allocate backing bo */

26
drivers/gpu/drm/omapdrm/omap_gem.c
View file

@ -808,10 +808,10 @@ fail:
/* Release physical address, when DMA is no longer being performed.. this
* could potentially unpin and unmap buffers from TILER
*/
int omap_gem_put_paddr(struct drm_gem_object *obj)
void omap_gem_put_paddr(struct drm_gem_object *obj)
{
struct omap_gem_object *omap_obj = to_omap_bo(obj);
int ret = 0;
int ret;
mutex_lock(&obj->dev->struct_mutex);
if (omap_obj->paddr_cnt > 0) {
@ -821,7 +821,6 @@ int omap_gem_put_paddr(struct drm_gem_object *obj)
if (ret) {
dev_err(obj->dev->dev,
"could not unpin pages: %d\n", ret);
goto fail;
}
ret = tiler_release(omap_obj->block);
if (ret) {
@ -832,9 +831,8 @@ int omap_gem_put_paddr(struct drm_gem_object *obj)
omap_obj->block = NULL;
}
}
fail:
mutex_unlock(&obj->dev->struct_mutex);
return ret;
}
/* Get rotated scanout address (only valid if already pinned), at the
@ -1378,11 +1376,7 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev,
omap_obj = kzalloc(sizeof(*omap_obj), GFP_KERNEL);
if (!omap_obj)
goto fail;
spin_lock(&priv->list_lock);
list_add(&omap_obj->mm_list, &priv->obj_list);
spin_unlock(&priv->list_lock);
return NULL;
obj = &omap_obj->base;
@ -1392,11 +1386,19 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev,
*/
omap_obj->vaddr = dma_alloc_writecombine(dev->dev, size,
&omap_obj->paddr, GFP_KERNEL);
if (omap_obj->vaddr)
flags |= OMAP_BO_DMA;
if (!omap_obj->vaddr) {
kfree(omap_obj);
return NULL;
}
flags |= OMAP_BO_DMA;
}
spin_lock(&priv->list_lock);
list_add(&omap_obj->mm_list, &priv->obj_list);
spin_unlock(&priv->list_lock);
omap_obj->flags = flags;
if (flags & OMAP_BO_TILED) {

26
drivers/gpu/drm/omapdrm/omap_plane.c
View file

@ -17,6 +17,7 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_plane_helper.h>
@ -153,9 +154,34 @@ static void omap_plane_atomic_disable(struct drm_plane *plane,
dispc_ovl_enable(omap_plane->id, false);
}
static int omap_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct drm_crtc_state *crtc_state;
if (!state->crtc)
return 0;
crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
if (IS_ERR(crtc_state))
return PTR_ERR(crtc_state);
if (state->crtc_x < 0 || state->crtc_y < 0)
return -EINVAL;
if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay)
return -EINVAL;
if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay)
return -EINVAL;
return 0;
}
static const struct drm_plane_helper_funcs omap_plane_helper_funcs = {
.prepare_fb = omap_plane_prepare_fb,
.cleanup_fb = omap_plane_cleanup_fb,
.atomic_check = omap_plane_atomic_check,
.atomic_update = omap_plane_atomic_update,
.atomic_disable = omap_plane_atomic_disable,
};