On 2/6/2026 4:12 PM, Imre Deak wrote:
Ensure that the pipe BPP range is valid after calculating the minimum and maximum pipe BPP values separately. Signed-off-by: Imre Deak <[email protected]>
Reviewed-by: Ankit Nautiyal <[email protected]>
--- drivers/gpu/drm/i915/display/intel_dp.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 4d8f480cf803f..720787e86ff17 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2736,6 +2736,15 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp, limits->pipe.min_bpp, limits->pipe.max_bpp); }+ 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;
