6.9-stable review patch. If anyone has any objections, please let me know.
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From: Fangzhi Zuo Jerry.Zuo@amd.com
[ Upstream commit 7ae37db29a8bc4d3d116a409308dd98fc3a0b1b3 ]
Fix 4k240 underflow on dcn351
Acked-by: Rodrigo Siqueira rodrigo.siqueira@amd.com Signed-off-by: Fangzhi Zuo Jerry.Zuo@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c index a20f28a5d2e7b..3af759dca6ebf 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c @@ -233,6 +233,7 @@ void dml2_init_socbb_params(struct dml2_context *dml2, const struct dc *in_dc, s out->round_trip_ping_latency_dcfclk_cycles = 106; out->smn_latency_us = 2; out->dispclk_dppclk_vco_speed_mhz = 3600; + out->pct_ideal_dram_bw_after_urgent_pixel_only = 65.0; break;
}