diff options
| author | Hansen <[email protected]> | 2021-09-28 16:09:47 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2021-10-19 17:18:59 -0400 |
| commit | 3cf79bb772a4f95770a3b3670474058addb7d14f (patch) | |
| tree | 1efe7ac64f0ab9097da46f25541748e8223546cc | |
| parent | 8048af26034f899f1dead814c5161e93b434026d (diff) | |
drm/amd/display: Fix DP2 SE and LE SYMCLK selection for B0 PHY
Remap phyd32clk to PHYF and PHYG for B0, PHYC and PHYD are unused
Reviewed-by: Nicholas Kazlauskas <[email protected]>
Acked-by: Agustin Gutierrez Sanchez <[email protected]>
Signed-off-by: Hansen <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c index 582c500ecb49..152adb597d48 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c @@ -26,6 +26,7 @@ #include "reg_helper.h" #include "core_types.h" #include "dcn31_dccg.h" +#include "dal_asic_id.h" #define TO_DCN_DCCG(dccg)\ container_of(dccg, struct dcn_dccg, base) @@ -80,6 +81,18 @@ static void dccg31_update_dpp_dto(struct dccg *dccg, int dpp_inst, int req_dppcl dccg->pipe_dppclk_khz[dpp_inst] = req_dppclk; } +static enum phyd32clk_clock_source get_phy_mux_symclk( + struct dcn_dccg *dccg_dcn, + enum phyd32clk_clock_source src) +{ + if (dccg_dcn->base.ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0) { + if (src == PHYD32CLKC) + src = PHYD32CLKF; + if (src == PHYD32CLKD) + src = PHYD32CLKG; + } + return src; +} void dccg31_set_dpstreamclk( struct dccg *dccg, @@ -119,6 +132,8 @@ void dccg31_enable_symclk32_se( { struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + phyd32clk = get_phy_mux_symclk(dccg_dcn, phyd32clk); + /* select one of the PHYD32CLKs as the source for symclk32_se */ switch (hpo_se_inst) { case 0: @@ -188,6 +203,8 @@ void dccg31_enable_symclk32_le( { struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + phyd32clk = get_phy_mux_symclk(dccg_dcn, phyd32clk); + /* select one of the PHYD32CLKs as the source for symclk32_le */ switch (hpo_le_inst) { case 0: |