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drm/i915/dp: Verify valid pipe BPP range

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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
This commit is contained in:
Imre Deak 2026-02-09 15:38:17 +02:00
parent 08b7ef16b6
commit 7229474d41
1 changed files with 9 additions and 0 deletions
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9
drivers/gpu/drm/i915/display/intel_dp.c
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@ -2745,6 +2745,15 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp,
crtc_state)));
}
if (limits->pipe.min_bpp <= 0 ||
limits->pipe.min_bpp > limits->pipe.max_bpp) {
drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] Invalid pipe bpp range: %d-%d\n",
connector->base.base.id, connector->base.name,
limits->pipe.min_bpp, limits->pipe.max_bpp);
return false;
}
if (dsc && !intel_dp_dsc_compute_pipe_bpp_limits(connector, limits))
return false;