From: Leo Chen sancchen@amd.com
[ Upstream commit d893f39320e1248d1c97fde0d6e51e5ea008a76b ]
[Why & How] Per HW team request, we're lowering the minimum Z8 residency time to 2000us. This enables Z8 support for additional modes we were previously blocking like 2k>60hz
Cc: stable@vger.kernel.org Tested-by: Daniel Wheeler daniel.wheeler@amd.com Reviewed-by: Nicholas Kazlauskas Nicholas.Kazlauskas@amd.com Acked-by: Rodrigo Siqueira Rodrigo.Siqueira@amd.com Signed-off-by: Leo Chen sancchen@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/dcn314/dcn314_resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c index ca3aabdf81d2f..b7782433ce6ba 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -884,7 +884,7 @@ static const struct dc_plane_cap plane_cap = { static const struct dc_debug_options debug_defaults_drv = { .disable_z10 = false, .enable_z9_disable_interface = true, - .minimum_z8_residency_time = 3080, + .minimum_z8_residency_time = 2000, .psr_skip_crtc_disable = true, .disable_dmcu = true, .force_abm_enable = false,