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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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2
drivers/gpu/drm/tegra/drm.h
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@@ -148,6 +148,7 @@ struct tegra_dc_window {
unsigned int format;
unsigned int stride[2];
unsigned long base[3];
bool tiled;
};
/* from dc.c */
@@ -254,6 +255,7 @@ extern int tegra_output_exit(struct tegra_output *output);
/* from fb.c */
struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
unsigned int index);
bool tegra_fb_is_tiled(struct drm_framebuffer *framebuffer);
extern int tegra_drm_fb_init(struct drm_device *drm);
extern void tegra_drm_fb_exit(struct drm_device *drm);
extern void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);