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path: root/drivers/gpu/drm/drm_gem_framebuffer_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_gem_framebuffer_helper.c')
-rw-r--r--drivers/gpu/drm/drm_gem_framebuffer_helper.c48
1 files changed, 25 insertions, 23 deletions
diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
index 6ff22e04029e..4bc89d33df59 100644
--- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
+++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
@@ -5,6 +5,7 @@
* Copyright (C) 2017 Noralf Trønnes
*/
+#include <linux/export.h>
#include <linux/slab.h>
#include <linux/module.h>
@@ -67,6 +68,7 @@ EXPORT_SYMBOL_GPL(drm_gem_fb_get_obj);
static int
drm_gem_fb_init(struct drm_device *dev,
struct drm_framebuffer *fb,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object **obj, unsigned int num_planes,
const struct drm_framebuffer_funcs *funcs)
@@ -74,7 +76,7 @@ drm_gem_fb_init(struct drm_device *dev,
unsigned int i;
int ret;
- drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);
+ drm_helper_mode_fill_fb_struct(dev, fb, info, mode_cmd);
for (i = 0; i < num_planes; i++)
fb->obj[i] = obj[i];
@@ -135,6 +137,7 @@ EXPORT_SYMBOL(drm_gem_fb_create_handle);
* @dev: DRM device
* @fb: framebuffer object
* @file: DRM file that holds the GEM handle(s) backing the framebuffer
+ * @info: pixel format information
* @mode_cmd: Metadata from the userspace framebuffer creation request
* @funcs: vtable to be used for the new framebuffer object
*
@@ -151,20 +154,14 @@ EXPORT_SYMBOL(drm_gem_fb_create_handle);
int drm_gem_fb_init_with_funcs(struct drm_device *dev,
struct drm_framebuffer *fb,
struct drm_file *file,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd,
const struct drm_framebuffer_funcs *funcs)
{
- const struct drm_format_info *info;
struct drm_gem_object *objs[DRM_FORMAT_MAX_PLANES];
unsigned int i;
int ret;
- info = drm_get_format_info(dev, mode_cmd);
- if (!info) {
- drm_dbg_kms(dev, "Failed to get FB format info\n");
- return -EINVAL;
- }
-
if (drm_drv_uses_atomic_modeset(dev) &&
!drm_any_plane_has_format(dev, mode_cmd->pixel_format,
mode_cmd->modifier[0])) {
@@ -199,7 +196,7 @@ int drm_gem_fb_init_with_funcs(struct drm_device *dev,
}
}
- ret = drm_gem_fb_init(dev, fb, mode_cmd, objs, i, funcs);
+ ret = drm_gem_fb_init(dev, fb, info, mode_cmd, objs, i, funcs);
if (ret)
goto err_gem_object_put;
@@ -220,6 +217,7 @@ EXPORT_SYMBOL_GPL(drm_gem_fb_init_with_funcs);
* callback
* @dev: DRM device
* @file: DRM file that holds the GEM handle(s) backing the framebuffer
+ * @info: pixel format information
* @mode_cmd: Metadata from the userspace framebuffer creation request
* @funcs: vtable to be used for the new framebuffer object
*
@@ -232,6 +230,7 @@ EXPORT_SYMBOL_GPL(drm_gem_fb_init_with_funcs);
*/
struct drm_framebuffer *
drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd,
const struct drm_framebuffer_funcs *funcs)
{
@@ -242,7 +241,7 @@ drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
if (!fb)
return ERR_PTR(-ENOMEM);
- ret = drm_gem_fb_init_with_funcs(dev, fb, file, mode_cmd, funcs);
+ ret = drm_gem_fb_init_with_funcs(dev, fb, file, info, mode_cmd, funcs);
if (ret) {
kfree(fb);
return ERR_PTR(ret);
@@ -262,6 +261,7 @@ static const struct drm_framebuffer_funcs drm_gem_fb_funcs = {
* &drm_mode_config_funcs.fb_create callback
* @dev: DRM device
* @file: DRM file that holds the GEM handle(s) backing the framebuffer
+ * @info: pixel format information
* @mode_cmd: Metadata from the userspace framebuffer creation request
*
* This function creates a new framebuffer object described by
@@ -281,9 +281,10 @@ static const struct drm_framebuffer_funcs drm_gem_fb_funcs = {
*/
struct drm_framebuffer *
drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
- return drm_gem_fb_create_with_funcs(dev, file, mode_cmd,
+ return drm_gem_fb_create_with_funcs(dev, file, info, mode_cmd,
&drm_gem_fb_funcs);
}
EXPORT_SYMBOL_GPL(drm_gem_fb_create);
@@ -299,6 +300,7 @@ static const struct drm_framebuffer_funcs drm_gem_fb_funcs_dirtyfb = {
* &drm_mode_config_funcs.fb_create callback
* @dev: DRM device
* @file: DRM file that holds the GEM handle(s) backing the framebuffer
+ * @info: pixel format information
* @mode_cmd: Metadata from the userspace framebuffer creation request
*
* This function creates a new framebuffer object described by
@@ -319,9 +321,10 @@ static const struct drm_framebuffer_funcs drm_gem_fb_funcs_dirtyfb = {
*/
struct drm_framebuffer *
drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
- return drm_gem_fb_create_with_funcs(dev, file, mode_cmd,
+ return drm_gem_fb_create_with_funcs(dev, file, info, mode_cmd,
&drm_gem_fb_funcs_dirtyfb);
}
EXPORT_SYMBOL_GPL(drm_gem_fb_create_with_dirty);
@@ -501,12 +504,9 @@ 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);
-
switch (info->format) {
case DRM_FORMAT_YUV420_8BIT:
return 12;
@@ -520,6 +520,7 @@ 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 +561,7 @@ 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 +583,7 @@ 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
*
@@ -595,24 +597,24 @@ 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);
- 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;
- if (objs[0]->size < afbc_fb->afbc_size)
+ if (objs[0]->size < afbc_fb->afbc_size) {
+ drm_dbg_kms(dev, "GEM object size (%zu) smaller than minimum afbc size (%u)\n",
+ objs[0]->size, afbc_fb->afbc_size);
return -EINVAL;
+ }
return 0;
}
generated by cgit (git 2.34.1) at 2025-08-01 11:55:15 +0000