[PATCH 05/11] drm/i915/dp_mst: Account with the DSC DPT bpp limit on MTL

Imre Deak imre.deak at intel.com
Wed Mar 20 20:11:45 UTC 2024


The DPT/DSC bpp limit should be accounted for on MTL platforms as well,
do so.

Bspec: 49259

Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 79f34be5c89da..40660dc5edb45 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -56,7 +56,7 @@ static int intel_dp_mst_check_constraints(struct drm_i915_private *i915, int bpp
 					  struct intel_crtc_state *crtc_state,
 					  bool dsc)
 {
-	if (intel_dp_is_uhbr(crtc_state) && DISPLAY_VER(i915) < 14 && dsc) {
+	if (intel_dp_is_uhbr(crtc_state) && DISPLAY_VER(i915) < 20 && dsc) {
 		int output_bpp = bpp;
 		int symbol_clock = intel_dp_link_symbol_clock(crtc_state->port_clock);
 		int available_bw = mul_u32_u32(symbol_clock * 72,
-- 
2.43.3



More information about the Intel-gfx mailing list