drm/i915: Use compressed bpp when calculating m/n value for DP MST DSC

For obvious reasons, we use compressed bpp instead of pipe bpp for
DSC DP SST case. Lets be consistent and use compressed bpp instead of
pipe bpp, also in DP MST DSC case.

Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path")
Link: https://patchwork.freedesktop.org/patch/msgid/20230327064217.24033-1-stanislav.lisovskiy@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index a860cbc5dbea802774e557736b96c9ef3aab1b44..c3e8db943e9cefdbde03d843ad93f08175b5e62e 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -232,7 +232,7 @@ static int intel_dp_dsc_mst_compute_link_config(struct intel_encoder *encoder,
                        return slots;
        }
 
-       intel_link_compute_m_n(crtc_state->pipe_bpp,
+       intel_link_compute_m_n(crtc_state->dsc.compressed_bpp,
                               crtc_state->lane_count,
                               adjusted_mode->crtc_clock,
                               crtc_state->port_clock,