diff options
| author | Thierry Reding <thierry.reding@avionic-design.de> | 2013-10-05 00:34:01 +0400 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2013-10-31 12:55:46 +0400 |
| commit | 773af77fc479fd454c3f6836f86bf63996545cf4 (patch) | |
| tree | a3610dd713a97cf934810079da61b1196e85d95b /drivers/gpu/drm/tegra/gem.c | |
| parent | 5f60ed0d840d53e9d65aa54e1a5365af8ce2769e (diff) | |
| download | linux-773af77fc479fd454c3f6836f86bf63996545cf4.tar.xz | |
drm/tegra: Add support for tiled buffer objects
The gr2d and gr3d engines work more efficiently on buffers with a tiled
memory layout. Allow created buffers to be marked as tiled so that the
display controller can scan them out properly.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/gem.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/gem.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index 267c0c21e5cc..d851ec106cf4 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -18,6 +18,8 @@ * GNU General Public License for more details. */ +#include <drm/tegra_drm.h> + #include "gem.h" static inline struct tegra_bo *host1x_to_tegra_bo(struct host1x_bo *bo) @@ -97,7 +99,8 @@ static void tegra_bo_destroy(struct drm_device *drm, struct tegra_bo *bo) dma_free_writecombine(drm->dev, bo->gem.size, bo->vaddr, bo->paddr); } -struct tegra_bo *tegra_bo_create(struct drm_device *drm, unsigned int size) +struct tegra_bo *tegra_bo_create(struct drm_device *drm, unsigned int size, + unsigned long flags) { struct tegra_bo *bo; int err; @@ -126,6 +129,9 @@ struct tegra_bo *tegra_bo_create(struct drm_device *drm, unsigned int size) if (err) goto err_mmap; + if (flags & DRM_TEGRA_GEM_CREATE_TILED) + bo->flags |= TEGRA_BO_TILED; + return bo; err_mmap: @@ -142,12 +148,13 @@ err_dma: struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file, struct drm_device *drm, unsigned int size, + unsigned long flags, unsigned int *handle) { struct tegra_bo *bo; int ret; - bo = tegra_bo_create(drm, size); + bo = tegra_bo_create(drm, size, flags); if (IS_ERR(bo)) return bo; @@ -187,7 +194,7 @@ int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, if (args->size < args->pitch * args->height) args->size = args->pitch * args->height; - bo = tegra_bo_create_with_handle(file, drm, args->size, + bo = tegra_bo_create_with_handle(file, drm, args->size, 0, &args->handle); if (IS_ERR(bo)) return PTR_ERR(bo); |