return 0;
}
+static void get_block_dimensions(unsigned int block_log2, unsigned int cpp,
+ unsigned int *width, unsigned int *height)
+{
+ unsigned int cpp_log2 = ilog2(cpp);
+ unsigned int pixel_log2 = block_log2 - cpp_log2;
+ unsigned int width_log2 = (pixel_log2 + 1) / 2;
+ unsigned int height_log2 = pixel_log2 - width_log2;
+
+ *width = 1 << width_log2;
+ *height = 1 << height_log2;
+}
+
+static unsigned int get_dcc_block_size(uint64_t modifier, bool rb_aligned,
+ bool pipe_aligned)
+{
+ unsigned int ver = AMD_FMT_MOD_GET(TILE_VERSION, modifier);
+
+ switch (ver) {
+ case AMD_FMT_MOD_TILE_VER_GFX9: {
+ /*
+ * TODO: for pipe aligned we may need to check the alignment of the
+ * total size of the surface, which may need to be bigger than the
+ * natural alignment due to some HW workarounds
+ */
+ return max(10 + (rb_aligned ? (int)AMD_FMT_MOD_GET(RB, modifier) : 0), 12);
+ }
+ case AMD_FMT_MOD_TILE_VER_GFX10:
+ case AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS: {
+ int pipes_log2 = AMD_FMT_MOD_GET(PIPE_XOR_BITS, modifier);
+
+ if (ver == AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS && pipes_log2 > 1 &&
+ AMD_FMT_MOD_GET(PACKERS, modifier) == pipes_log2)
+ ++pipes_log2;
+
+ return max(8 + (pipe_aligned ? pipes_log2 : 0), 12);
+ }
+ default:
+ return 0;
+ }
+}
+
+static int amdgpu_display_verify_plane(struct amdgpu_framebuffer *rfb, int plane,
+ const struct drm_format_info *format,
+ unsigned int block_width, unsigned int block_height,
+ unsigned int block_size_log2)
+{
+ unsigned int width = rfb->base.width /
+ ((plane && plane < format->num_planes) ? format->hsub : 1);
+ unsigned int height = rfb->base.height /
+ ((plane && plane < format->num_planes) ? format->vsub : 1);
+ unsigned int cpp = plane < format->num_planes ? format->cpp[plane] : 1;
+ unsigned int block_pitch = block_width * cpp;
+ unsigned int min_pitch = ALIGN(width * cpp, block_pitch);
+ unsigned int block_size = 1 << block_size_log2;
+ uint64_t size;
+
+ if (rfb->base.pitches[plane] % block_pitch) {
+ drm_dbg_kms(rfb->base.dev,
+ "pitch %d for plane %d is not a multiple of block pitch %d\n",
+ rfb->base.pitches[plane], plane, block_pitch);
+ return -EINVAL;
+ }
+ if (rfb->base.pitches[plane] < min_pitch) {
+ drm_dbg_kms(rfb->base.dev,
+ "pitch %d for plane %d is less than minimum pitch %d\n",
+ rfb->base.pitches[plane], plane, min_pitch);
+ return -EINVAL;
+ }
+
+ /* Force at least natural alignment. */
+ if (rfb->base.offsets[plane] % block_size) {
+ drm_dbg_kms(rfb->base.dev,
+ "offset 0x%x for plane %d is not a multiple of block pitch 0x%x\n",
+ rfb->base.offsets[plane], plane, block_size);
+ return -EINVAL;
+ }
+
+ size = rfb->base.offsets[plane] +
+ (uint64_t)rfb->base.pitches[plane] / block_pitch *
+ block_size * DIV_ROUND_UP(height, block_height);
+
+ if (rfb->base.obj[0]->size < size) {
+ drm_dbg_kms(rfb->base.dev,
+ "BO size 0x%zx is less than 0x%llx required for plane %d\n",
+ rfb->base.obj[0]->size, size, plane);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+
+static int amdgpu_display_verify_sizes(struct amdgpu_framebuffer *rfb)
+{
+ const struct drm_format_info *format_info = drm_format_info(rfb->base.format->format);
+ uint64_t modifier = rfb->base.modifier;
+ int ret;
+ unsigned int i, block_width, block_height, block_size_log2;
+
+ if (!rfb->base.dev->mode_config.allow_fb_modifiers)
+ return 0;
+
+ for (i = 0; i < format_info->num_planes; ++i) {
+ if (modifier == DRM_FORMAT_MOD_LINEAR) {
+ block_width = 256 / format_info->cpp[i];
+ block_height = 1;
+ block_size_log2 = 8;
+ } else {
+ int swizzle = AMD_FMT_MOD_GET(TILE, modifier);
+
+ switch ((swizzle & ~3) + 1) {
+ case DC_SW_256B_S:
+ block_size_log2 = 8;
+ break;
+ case DC_SW_4KB_S:
+ case DC_SW_4KB_S_X:
+ block_size_log2 = 12;
+ break;
+ case DC_SW_64KB_S:
+ case DC_SW_64KB_S_T:
+ case DC_SW_64KB_S_X:
+ block_size_log2 = 16;
+ break;
+ default:
+ drm_dbg_kms(rfb->base.dev,
+ "Swizzle mode with unknown block size: %d\n", swizzle);
+ return -EINVAL;
+ }
+
+ get_block_dimensions(block_size_log2, format_info->cpp[i],
+ &block_width, &block_height);
+ }
+
+ ret = amdgpu_display_verify_plane(rfb, i, format_info,
+ block_width, block_height, block_size_log2);
+ if (ret)
+ return ret;
+ }
+
+ if (AMD_FMT_MOD_GET(DCC, modifier)) {
+ if (AMD_FMT_MOD_GET(DCC_RETILE, modifier)) {
+ block_size_log2 = get_dcc_block_size(modifier, false, false);
+ get_block_dimensions(block_size_log2 + 8, format_info->cpp[0],
+ &block_width, &block_height);
+ ret = amdgpu_display_verify_plane(rfb, i, format_info,
+ block_width, block_height,
+ block_size_log2);
+ if (ret)
+ return ret;
+
+ ++i;
+ block_size_log2 = get_dcc_block_size(modifier, true, true);
+ } else {
+ bool pipe_aligned = AMD_FMT_MOD_GET(DCC_PIPE_ALIGN, modifier);
+
+ block_size_log2 = get_dcc_block_size(modifier, true, pipe_aligned);
+ }
+ get_block_dimensions(block_size_log2 + 8, format_info->cpp[0],
+ &block_width, &block_height);
+ ret = amdgpu_display_verify_plane(rfb, i, format_info,
+ block_width, block_height, block_size_log2);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
uint64_t *tiling_flags, bool *tmz_surface)
{
return 0;
err:
- drm_err(dev, "Failed to init gem fb: %d\n", ret);
+ drm_dbg_kms(dev, "Failed to init gem fb: %d\n", ret);
rfb->base.obj[0] = NULL;
return ret;
}
int ret;
rfb->base.obj[0] = obj;
-
- /* Verify that bo size can fit the fb size. */
- ret = drm_gem_fb_init_with_funcs(dev, &rfb->base, file_priv, mode_cmd,
- &amdgpu_fb_funcs);
+ drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
+ ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
if (ret)
goto err;
/* Verify that the modifier is supported. */
return 0;
err:
- drm_err(dev, "Failed to verify and init gem fb: %d\n", ret);
+ drm_dbg_kms(dev, "Failed to verify and init gem fb: %d\n", ret);
rfb->base.obj[0] = NULL;
return ret;
}
}
}
- for (i = 1; i < rfb->base.format->num_planes; ++i) {
+ ret = amdgpu_display_verify_sizes(rfb);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < rfb->base.format->num_planes; ++i) {
drm_gem_object_get(rfb->base.obj[0]);
- drm_gem_object_put(rfb->base.obj[i]);
rfb->base.obj[i] = rfb->base.obj[0];
}
domains = amdgpu_display_supported_domains(drm_to_adev(dev), bo->flags);
if (obj->import_attach && !(domains & AMDGPU_GEM_DOMAIN_GTT)) {
drm_dbg_kms(dev, "Cannot create framebuffer from imported dma_buf\n");
+ drm_gem_object_put(obj);
return ERR_PTR(-EINVAL);
}
}
}
}
- return r;
+ return 0;
}
int amdgpu_display_resume_helper(struct amdgpu_device *adev)
projects / linux-2.6-microblaze.git / blobdiff