diff options
Diffstat (limited to 'i915.c')
| -rw-r--r-- | i915.c | 21 |
1 files changed, 19 insertions, 2 deletions
@@ -441,6 +441,19 @@ static int i915_bo_from_format(struct bo *bo, uint32_t width, uint32_t height, u return 0; } +static size_t i915_num_planes_from_modifier(struct driver *drv, uint32_t format, + uint64_t modifier) +{ + size_t num_planes = drv_num_planes_from_format(format); + if (modifier == I915_FORMAT_MOD_Y_TILED_CCS || + modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS) { + assert(num_planes == 1); + return 2; + } + + return num_planes; +} + static int i915_bo_compute_metadata(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, uint64_t use_flags, const uint64_t *modifiers, uint32_t count) { @@ -565,7 +578,7 @@ static int i915_bo_compute_metadata(struct bo *bo, uint32_t width, uint32_t heig bo->meta.offsets[1] = offset; offset += ccs_size; - bo->meta.num_planes = 2; + bo->meta.num_planes = i915_num_planes_from_modifier(bo->drv, format, modifier); bo->meta.total_size = offset; } else if (modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS) { @@ -600,7 +613,7 @@ static int i915_bo_compute_metadata(struct bo *bo, uint32_t width, uint32_t heig bo->meta.sizes[1] = ALIGN(bo->meta.sizes[0] / 256, getpagesize()); bo->meta.offsets[1] = bo->meta.sizes[0]; /* Total number of planes & sizes */ - bo->meta.num_planes = 2; + bo->meta.num_planes = i915_num_planes_from_modifier(bo->drv, format, modifier); bo->meta.total_size = bo->meta.sizes[0] + bo->meta.sizes[1]; } else { i915_bo_from_format(bo, width, height, format); @@ -678,6 +691,9 @@ static int i915_bo_import(struct bo *bo, struct drv_import_fd_data *data) int ret; struct drm_i915_gem_get_tiling gem_get_tiling = { 0 }; + bo->meta.num_planes = i915_num_planes_from_modifier(bo->drv, data->format, + data->format_modifier); + ret = drv_prime_bo_import(bo, data); if (ret) return ret; @@ -808,6 +824,7 @@ const struct backend backend_i915 = { .bo_invalidate = i915_bo_invalidate, .bo_flush = i915_bo_flush, .resolve_format_and_use_flags = drv_resolve_format_and_use_flags_helper, + .num_planes_from_modifier = i915_num_planes_from_modifier, }; #endif |