From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/i915/display/intel_dp.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/gpu/drm/i915/display/intel_dp.c b/kernel/drivers/gpu/drm/i915/display/intel_dp.c
index 1c1931f..7f633f8 100644
--- a/kernel/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/kernel/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2281,6 +2281,11 @@
pipe_config->dsc.slice_count =
drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd,
true);
+ if (!pipe_config->dsc.slice_count) {
+ drm_dbg_kms(&dev_priv->drm, "Unsupported Slice Count %d\n",
+ pipe_config->dsc.slice_count);
+ return -EINVAL;
+ }
} else {
u16 dsc_max_output_bpp;
u8 dsc_dp_slice_count;
--
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