Let the user know what went wrong in drm_gem_fb_init_with_funcs
failure paths.
Signed-off-by: Simon Ser <contact@xxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Noralf Trønnes <noralf@xxxxxxxxxxx>
Cc: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_gem_framebuffer_helper.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
index 109d11fb4cd4..e4a3c7eb43b2 100644
--- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
+++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
@@ -155,8 +155,10 @@ int drm_gem_fb_init_with_funcs(struct drm_device *dev,
int ret, i;
info = drm_get_format_info(dev, mode_cmd);
- if (!info)
+ if (!info) {
+ drm_dbg_kms(dev, "Failed to get FB format info\n");
return -EINVAL;
+ }
for (i = 0; i < info->num_planes; i++) {
unsigned int width = mode_cmd->width / (i ? info->hsub : 1);
@@ -175,6 +177,9 @@ int drm_gem_fb_init_with_funcs(struct drm_device *dev,
+ mode_cmd->offsets[i];
if (objs[i]->size < min_size) {
+ drm_dbg_kms(dev,
+ "GEM object size (%u) smaller than minimum size (%u) for plane %d\n",
+ objs[i]->size, min_size, i);
drm_gem_object_put(objs[i]);
ret = -EINVAL;
goto err_gem_object_put;
--
2.31.1
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