Add error message when the size of requested framebuffer is more than
the allocated size by vmbus mmio region for framebuffer
Signed-off-by: Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx>
---
v3 -> v4 :
* Shorter error message
* Alignment match for open parenthesis
* Added -> Add (typo fix in commit message)
drivers/gpu/drm/hyperv/hyperv_drm_modeset.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c b/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c
index e82b815..27f4fcb 100644
--- a/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c
+++ b/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c
@@ -123,8 +123,11 @@ static int hyperv_pipe_check(struct drm_simple_display_pipe *pipe,
if (fb->format->format != DRM_FORMAT_XRGB8888)
return -EINVAL;
- if (fb->pitches[0] * fb->height > hv->fb_size)
+ if (fb->pitches[0] * fb->height > hv->fb_size) {
+ drm_err(&hv->dev, "fb size requested by %s for %dX%d (pitch %d) greater than %ld\n",
+ current->comm, fb->width, fb->height, fb->pitches[0], hv->fb_size);
return -EINVAL;
+ }
return 0;
}
--
1.8.3.1
