Messages in this thread Patch in this message | | | From | Geert Uytterhoeven <> | Subject | [PATCH v3 04/10] drm/framebuffer: Use actual bpp for DRM_IOCTL_MODE_GETFB | Date | Fri, 8 Jul 2022 20:20:49 +0200 |
| |
When userspace queries the properties of a frame buffer, the number of bits per pixel is derived from the deprecated drm_format_info.cpp[] field, which does not take into account block sizes.
Fix this by using the actual number of bits per pixel instead.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> --- v3: - Add Reviewed-by,
v2: - No changes. --- drivers/gpu/drm/drm_framebuffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index 4562a8b865792456..9899bf1485b299ad 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -530,7 +530,7 @@ int drm_mode_getfb(struct drm_device *dev, r->height = fb->height; r->width = fb->width; r->depth = fb->format->depth; - r->bpp = fb->format->cpp[0] * 8; + r->bpp = drm_format_info_bpp(fb->format, 0); r->pitch = fb->pitches[0]; /* GET_FB() is an unprivileged ioctl so we must not return a -- 2.25.1
| |