| Message ID | 20250121104210.3159-1-evepolonium@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | drm/i915/fbdev: Discard large BIOS framebuffers | expand |
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index 00852ff5b247..e8cf06772c31 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -197,10 +197,10 @@ static int intelfb_create(struct drm_fb_helper *helper, ifbdev->fb = NULL; if (fb && - (sizes->fb_width > fb->base.width || - sizes->fb_height > fb->base.height)) { + (sizes->fb_width != fb->base.width || + sizes->fb_height != fb->base.height)) { drm_dbg_kms(&dev_priv->drm, - "BIOS fb too small (%dx%d), we require (%dx%d)," + "BIOS fb dimensions mismatch (%dx%d), we require (%dx%d)," " releasing it\n", fb->base.width, fb->base.height, sizes->fb_width, sizes->fb_height);
On certain 4K panels, the BIOS framebuffer exceeds the panel's required dimensions, leading to display corruption. This patch introduces a validation check to address the issue. Signed-off-by: Atharva Tiwari <evepolonium@gmail.com> --- drivers/gpu/drm/i915/display/intel_fbdev.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)