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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-04-25 09:59:37 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-04-27 08:51:47 +0200 |
| commit | 7e553e2ab79a13511bb84559287c06db80a461b1 (patch) | |
| tree | 0244870a87eb422d33cae33b2878b427276d3cca /drivers/gpu/drm/drm_format_helper.c | |
| parent | e87826efa9bbb0f9febaa21c3e4fdc0e09e27daf (diff) | |
| download | linux-7e553e2ab79a13511bb84559287c06db80a461b1.tar.gz linux-7e553e2ab79a13511bb84559287c06db80a461b1.tar.bz2 linux-7e553e2ab79a13511bb84559287c06db80a461b1.zip | |
drm/format-helper: Print warning on missing format conversion
Not all possible format conversions are supported yet. Print a
warning on unsupported combinations.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220425075939.30450-2-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/drm_format_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_format_helper.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_format_helper.c b/drivers/gpu/drm/drm_format_helper.c index 0e7135114728..b648f29b21b6 100644 --- a/drivers/gpu/drm/drm_format_helper.c +++ b/drivers/gpu/drm/drm_format_helper.c @@ -590,6 +590,9 @@ int drm_fb_blit_toio(void __iomem *dst, unsigned int dst_pitch, uint32_t dst_for } } + drm_warn_once(fb->dev, "No conversion helper from %p4cc to %p4cc found.\n", + &fb_format, &dst_format); + return -EINVAL; } EXPORT_SYMBOL(drm_fb_blit_toio); |