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drm/tegra: Add support for tiled buffer objects

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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>
This commit is contained in:
Thierry Reding
2013-10-04 22:34:01 +02:00
committed by Thierry Reding
parent 5f60ed0d84
commit 773af77fc4
8 changed files with 60 additions and 9 deletions
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12
drivers/gpu/drm/tegra/fb.c
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@@ -34,6 +34,16 @@ struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
return fb->planes[index];
}
bool tegra_fb_is_tiled(struct drm_framebuffer *framebuffer)
{
struct tegra_fb *fb = to_tegra_fb(framebuffer);
if (fb->planes[0]->flags & TEGRA_BO_TILED)
return true;
return false;
}
static void tegra_fb_destroy(struct drm_framebuffer *framebuffer)
{
struct tegra_fb *fb = to_tegra_fb(framebuffer);
@@ -188,7 +198,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
size = cmd.pitches[0] * cmd.height;
bo = tegra_bo_create(drm, size);
bo = tegra_bo_create(drm, size, 0);
if (IS_ERR(bo))
return PTR_ERR(bo);