Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/i915/dp: Verify valid pipe BPP range
Ensure that the pipe BPP range is valid after calculating the minimum
and maximum pipe BPP values separately.
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260209133817.395823-2-imre.deak@intel.com
+9
+9
drivers/gpu/drm/i915/display/intel_dp.c
+9
drivers/gpu/drm/i915/display/intel_dp.c
···
2745
2745
crtc_state)));
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}
2747
2747
2748
+
if (limits->pipe.min_bpp <= 0 ||
2749
+
limits->pipe.min_bpp > limits->pipe.max_bpp) {
2750
+
drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] Invalid pipe bpp range: %d-%d\n",
2751
+
connector->base.base.id, connector->base.name,
2752
+
limits->pipe.min_bpp, limits->pipe.max_bpp);
2753
+
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+
return false;
2755
+
}
2756
+
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if (dsc && !intel_dp_dsc_compute_pipe_bpp_limits(connector, limits))
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return false;
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