drm/tegra: Implement more tiling modes
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>
diff --git a/drivers/gpu/drm/tegra/gem.h b/drivers/gpu/drm/tegra/gem.h
index 2f3fe96..43a25c8 100644
--- a/drivers/gpu/drm/tegra/gem.h
+++ b/drivers/gpu/drm/tegra/gem.h
@@ -16,8 +16,18 @@
#include <drm/drm.h>
#include <drm/drmP.h>
-#define TEGRA_BO_TILED (1 << 0)
-#define TEGRA_BO_BOTTOM_UP (1 << 1)
+#define TEGRA_BO_BOTTOM_UP (1 << 0)
+
+enum tegra_bo_tiling_mode {
+ TEGRA_BO_TILING_MODE_PITCH,
+ TEGRA_BO_TILING_MODE_TILED,
+ TEGRA_BO_TILING_MODE_BLOCK,
+};
+
+struct tegra_bo_tiling {
+ enum tegra_bo_tiling_mode mode;
+ unsigned long value;
+};
struct tegra_bo {
struct drm_gem_object gem;
@@ -26,6 +36,8 @@
struct sg_table *sgt;
dma_addr_t paddr;
void *vaddr;
+
+ struct tegra_bo_tiling tiling;
};
static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem)