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drm/tegra: Implement more tiling modes

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Tegra124 supports a block-linear mode in addition to the regular pitch
linear and tiled modes. Add support for these by moving the internal
representation into a structure rather than a simple flag.

Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2014-06-03 14:48:12 +02:00
parent 0c6b1e4ba7
commit c134f019ab
6 changed files with 120 additions and 26 deletions
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8
drivers/gpu/drm/tegra/drm.h
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@@ -19,6 +19,8 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_fixed.h>
#include "gem.h"
struct reset_control;
struct tegra_fb {
@@ -160,7 +162,8 @@ struct tegra_dc_window {
unsigned int stride[2];
unsigned long base[3];
bool bottom_up;
bool tiled;
struct tegra_bo_tiling tiling;
};
/* from dc.c */
@@ -279,7 +282,8 @@ int tegra_dpaux_train(struct tegra_dpaux *dpaux, struct drm_dp_link *link,
struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
unsigned int index);
bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
bool tegra_fb_is_tiled(struct drm_framebuffer *framebuffer);
int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
struct tegra_bo_tiling *tiling);
int tegra_drm_fb_prepare(struct drm_device *drm);
int tegra_drm_fb_init(struct drm_device *drm);
void tegra_drm_fb_exit(struct drm_device *drm);