[PATCH v2 08/19] drm/gem/afbc: Eliminate redundant drm_get_format_info()
Ville Syrjala
ville.syrjala at linux.intel.com
Tue Jul 1 09:07:11 UTC 2025
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Pass along the format info from .fb_create() to aliminate the
redundant drm_get_format_info() calls from the afbc code.
Cc: Sandy Huang <hjc at rock-chips.com>
Cc: "Heiko Stübner" <heiko at sntech.de>
Cc: Andy Yan <andy.yan at rock-chips.com>
Reviewed-by: Thomas Zimmermann <tzimmermann at suse.de>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/drm_gem_framebuffer_helper.c | 18 ++++++------------
drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 2 +-
include/drm/drm_gem_framebuffer_helper.h | 1 +
3 files changed, 8 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
index 1d58b0259df4..0477d594fab3 100644
--- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
+++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
@@ -500,13 +500,9 @@ EXPORT_SYMBOL(drm_gem_fb_end_cpu_access);
// TODO Drop this function and replace by drm_format_info_bpp() once all
// DRM_FORMAT_* provide proper block info in drivers/gpu/drm/drm_fourcc.c
static __u32 drm_gem_afbc_get_bpp(struct drm_device *dev,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
- const struct drm_format_info *info;
-
- info = drm_get_format_info(dev, mode_cmd->pixel_format,
- mode_cmd->modifier[0]);
-
switch (info->format) {
case DRM_FORMAT_YUV420_8BIT:
return 12;
@@ -520,6 +516,7 @@ static __u32 drm_gem_afbc_get_bpp(struct drm_device *dev,
}
static int drm_gem_afbc_min_size(struct drm_device *dev,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_afbc_framebuffer *afbc_fb)
{
@@ -560,7 +557,7 @@ static int drm_gem_afbc_min_size(struct drm_device *dev,
afbc_fb->aligned_height = ALIGN(mode_cmd->height, h_alignment);
afbc_fb->offset = mode_cmd->offsets[0];
- bpp = drm_gem_afbc_get_bpp(dev, mode_cmd);
+ bpp = drm_gem_afbc_get_bpp(dev, info, mode_cmd);
if (!bpp) {
drm_dbg_kms(dev, "Invalid AFBC bpp value: %d\n", bpp);
return -EINVAL;
@@ -582,6 +579,7 @@ static int drm_gem_afbc_min_size(struct drm_device *dev,
*
* @dev: DRM device
* @afbc_fb: afbc-specific framebuffer
+ * @info: pixel format information
* @mode_cmd: Metadata from the userspace framebuffer creation request
* @afbc_fb: afbc framebuffer
*
@@ -595,20 +593,16 @@ static int drm_gem_afbc_min_size(struct drm_device *dev,
* Zero on success or a negative error value on failure.
*/
int drm_gem_fb_afbc_init(struct drm_device *dev,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_afbc_framebuffer *afbc_fb)
{
- const struct drm_format_info *info;
struct drm_gem_object **objs;
int ret;
objs = afbc_fb->base.obj;
- info = drm_get_format_info(dev, mode_cmd->pixel_format,
- mode_cmd->modifier[0]);
- if (!info)
- return -EINVAL;
- ret = drm_gem_afbc_min_size(dev, mode_cmd, afbc_fb);
+ ret = drm_gem_afbc_min_size(dev, info, mode_cmd, afbc_fb);
if (ret < 0)
return ret;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
index d496ac0feb08..2f469d370021 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
@@ -49,7 +49,7 @@ rockchip_fb_create(struct drm_device *dev, struct drm_file *file,
}
if (drm_is_afbc(mode_cmd->modifier[0])) {
- ret = drm_gem_fb_afbc_init(dev, mode_cmd, afbc_fb);
+ ret = drm_gem_fb_afbc_init(dev, info, mode_cmd, afbc_fb);
if (ret) {
drm_framebuffer_put(&afbc_fb->base);
return ERR_PTR(ret);
diff --git a/include/drm/drm_gem_framebuffer_helper.h b/include/drm/drm_gem_framebuffer_helper.h
index 971d266ab1ba..24f1fd40d553 100644
--- a/include/drm/drm_gem_framebuffer_helper.h
+++ b/include/drm/drm_gem_framebuffer_helper.h
@@ -52,6 +52,7 @@ void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_directi
(((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
int drm_gem_fb_afbc_init(struct drm_device *dev,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_afbc_framebuffer *afbc_fb);
--
2.49.0
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