From: Ashish Arora <ashisharora.li...@outlook.com>

On certain 4k panels, the BIOS framebuffer is larger than what panel
requires causing display corruption. Introduce a check for the same.

Signed-off-by: Ashish Arora <ashisharora.li...@outlook.com>
---
 drivers/gpu/drm/i915/display/intel_fbdev.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c 
b/drivers/gpu/drm/i915/display/intel_fbdev.c
index adc3a81be..0a64184df 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -194,10 +194,10 @@ static int intelfb_create(struct drm_fb_helper *helper,
        int ret;
 
        if (intel_fb &&
-           (sizes->fb_width > intel_fb->base.width ||
-            sizes->fb_height > intel_fb->base.height)) {
+           (sizes->fb_width != intel_fb->base.width ||
+            sizes->fb_height != intel_fb->base.height)) {
                drm_dbg_kms(&dev_priv->drm,
-                           "BIOS fb too small (%dx%d), we require (%dx%d),"
+                           "BIOS fb not valid (%dx%d), we require (%dx%d),"
                            " releasing it\n",
                            intel_fb->base.width, intel_fb->base.height,
                            sizes->fb_width, sizes->fb_height);
-- 
2.25.1


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