[PATCH v2 6/9] drm/fb-helper: Allocate shadow buffer of surface height
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: 2021-11-01 14:15:56
Also in:
dri-devel, linux-hyperv
Subsystem:
drm drivers, drm drivers and misc gpu patches, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
Allocating a shadow buffer of the height of the buffer object does not support fbdev overallocation. Use surface height instead. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Noralf Trønnes <redacted> --- drivers/gpu/drm/drm_fb_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 8e7a124d6c5a..9727a59d35fd 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c@@ -2338,7 +2338,7 @@ static int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper, return PTR_ERR(fbi); fbi->fbops = &drm_fbdev_fb_ops; - fbi->screen_size = fb->height * fb->pitches[0]; + fbi->screen_size = sizes->surface_height * fb->pitches[0]; fbi->fix.smem_len = fbi->screen_size; drm_fb_helper_fill_info(fbi, fb_helper, sizes);
--
2.33.1
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