From: Dillon Varone Dillon.Varone@amd.com
[ Upstream commit a025f424af0407b7561bd5e6217295dde3abbc2e ]
[WHY&HOW] P-state type would remain on previously used when unsupported which causes confusion in logging and visual confirm, so set back to zero when unsupported.
Reviewed-by: Aric Cyr aric.cyr@amd.com Signed-off-by: Dillon Varone Dillon.Varone@amd.com Signed-off-by: Wayne Lin wayne.lin@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/core/dc_hw_sequencer.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c index a49604b7701f7..1406ee4bff801 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c @@ -563,6 +563,7 @@ void set_p_state_switch_method( if (!dc->ctx || !dc->ctx->dmub_srv || !pipe_ctx || !vba) return;
+ pipe_ctx->p_state_type = P_STATE_UNKNOWN; if (vba->DRAMClockChangeSupport[vba->VoltageLevel][vba->maxMpcComb] != dm_dram_clock_change_unsupported) { /* MCLK switching is supported */