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mikeeq
34 lines
1.3 KiB
Diff
34 lines
1.3 KiB
Diff
From: Ashish Arora <ashisharora.linux@outlook.com>
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Subject: Re: [PATCH] drm/i915: Discard large BIOS framebuffers causing display corruption.
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Date: Sat, 08 Jan 2022 21:43:18 +1100
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On certain 4k panels, the BIOS framebuffer is larger than what panel
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requires causing display corruption. Introduce a check for the same.
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Signed-off-by: Ashish Arora <ashisharora.linux@outlook.com>
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---
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drivers/gpu/drm/i915/display/intel_fbdev.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
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index 112aa04..8fb8bcc 100644
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--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
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+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
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@@ -217,10 +217,10 @@ static int intelfb_create(struct drm_fb_helper *helper,
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return ret;
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if (intel_fb &&
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- (sizes->fb_width > intel_fb->base.width ||
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- sizes->fb_height > intel_fb->base.height)) {
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+ (sizes->fb_width != intel_fb->base.width ||
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+ sizes->fb_height != intel_fb->base.height)) {
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drm_dbg_kms(&dev_priv->drm,
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- "BIOS fb too small (%dx%d), we require (%dx%d),"
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+ "BIOS fb not valid (%dx%d), we require (%dx%d),"
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" releasing it\n",
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intel_fb->base.width, intel_fb->base.height,
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sizes->fb_width, sizes->fb_height);
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--
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1.8.3.1
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