From: Feifei Xu <Feifei.Xu@xxxxxxx> Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo at amd.com> Reviewed-by: Hersen Wu <hersenxs.wu at amd.com> Reviewed-by: Alex Deucher <alexander.deucher at amd.com> Signed-off-by: Alex Deucher <alexander.deucher at amd.com> Signed-off-by: Feifei Xu <Feifei.Xu at amd.com> --- drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | 11 ++++++++++- drivers/gpu/drm/amd/display/include/dal_asic_id.h | 6 ++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c index 78e6beb6cf26..aa4cf3095235 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c @@ -35,7 +35,7 @@ #endif #include "core_types.h" #include "dc_types.h" - +#include "dal_asic_id.h" #define TO_DCE_CLOCKS(clocks)\ container_of(clocks, struct dce_disp_clk, base) @@ -413,9 +413,18 @@ static int dce112_set_clock( /*VBIOS will determine DPREFCLK frequency, so we don't set it*/ dce_clk_params.target_clock_frequency = 0; dce_clk_params.clock_type = DCECLOCK_TYPE_DPREFCLK; +#ifndef CONFIG_DRM_AMD_DC_VG20 dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = (dce_clk_params.pll_id == CLOCK_SOURCE_COMBO_DISPLAY_PLL0); +#else + if (!ASICREV_IS_VEGA20_P(clk->ctx->asic_id.hw_internal_rev)) + dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = + (dce_clk_params.pll_id == + CLOCK_SOURCE_COMBO_DISPLAY_PLL0); + else + dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = false; +#endif bp->funcs->set_dce_clock(bp, &dce_clk_params); diff --git a/drivers/gpu/drm/amd/display/include/dal_asic_id.h b/drivers/gpu/drm/amd/display/include/dal_asic_id.h index 1b987b6a347d..77d2856be9f6 100644 --- a/drivers/gpu/drm/amd/display/include/dal_asic_id.h +++ b/drivers/gpu/drm/amd/display/include/dal_asic_id.h @@ -117,6 +117,12 @@ ((rev >= STONEY_A0) && (rev < CZ_UNKNOWN)) /* DCE12 */ +#define AI_UNKNOWN 0xFF + +#ifdef CONFIG_DRM_AMD_DC_VG20 +#define AI_VEGA20_P_A0 40 +#define ASICREV_IS_VEGA20_P(eChipRev) ((eChipRev >= AI_VEGA20_P_A0) && (eChipRev < AI_UNKNOWN)) +#endif #define AI_GREENLAND_P_A0 1 #define AI_GREENLAND_P_A1 2 -- 2.13.6
