[PATCH v4] drm/hyperv: Add error message for fb size greater than allocated

[Saurabh Sengar]

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 <ssen...@linux.microsoft.com>
---
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