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| author | Hansen Dsouza <Hansen.Dsouza@amd.com> | 2024-08-14 11:20:08 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-09-02 11:39:53 -0400 |
| commit | 9888773753333ee7bed1697abd6fd9c84239cc4a (patch) | |
| tree | 6583cbff6b9d888847a4d7c71e4ee95889f8e117 /drivers/gpu/drm/amd/display/dc/hwss | |
| parent | 29d3d6af43135de7bec677f334292ca8dab53d67 (diff) | |
| download | linux-9888773753333ee7bed1697abd6fd9c84239cc4a.tar.gz linux-9888773753333ee7bed1697abd6fd9c84239cc4a.tar.bz2 linux-9888773753333ee7bed1697abd6fd9c84239cc4a.zip | |
drm/amd/display: Fix flickering caused by dccg
Always allow un-gating. Follow legacy workaround for repeated
dppclk dto updates
Reviewed-by: Muhammad Ahmed <ahmed.ahmed@amd.com>
Signed-off-by: Hansen Dsouza <Hansen.Dsouza@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/hwss')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index fbbb20b9dbee..a4c6decee0f8 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -147,37 +147,6 @@ void dcn35_init_hw(struct dc *dc) hws->funcs.bios_golden_init(dc); } - if (!dc->debug.disable_clock_gate) { - REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); - REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0); - - /* Disable gating for PHYASYMCLK. This will be enabled in dccg if needed */ - REG_UPDATE_5(DCCG_GATE_DISABLE_CNTL2, PHYASYMCLK_ROOT_GATE_DISABLE, 1, - PHYBSYMCLK_ROOT_GATE_DISABLE, 1, - PHYCSYMCLK_ROOT_GATE_DISABLE, 1, - PHYDSYMCLK_ROOT_GATE_DISABLE, 1, - PHYESYMCLK_ROOT_GATE_DISABLE, 1); - - REG_UPDATE_4(DCCG_GATE_DISABLE_CNTL4, - DPIASYMCLK0_GATE_DISABLE, 0, - DPIASYMCLK1_GATE_DISABLE, 0, - DPIASYMCLK2_GATE_DISABLE, 0, - DPIASYMCLK3_GATE_DISABLE, 0); - - REG_WRITE(DCCG_GATE_DISABLE_CNTL5, 0xFFFFFFFF); - REG_UPDATE_4(DCCG_GATE_DISABLE_CNTL5, - DTBCLK_P0_GATE_DISABLE, 0, - DTBCLK_P1_GATE_DISABLE, 0, - DTBCLK_P2_GATE_DISABLE, 0, - DTBCLK_P3_GATE_DISABLE, 0); - REG_UPDATE_4(DCCG_GATE_DISABLE_CNTL5, - DPSTREAMCLK0_GATE_DISABLE, 0, - DPSTREAMCLK1_GATE_DISABLE, 0, - DPSTREAMCLK2_GATE_DISABLE, 0, - DPSTREAMCLK3_GATE_DISABLE, 0); - - } - // Initialize the dccg if (res_pool->dccg->funcs->dccg_init) res_pool->dccg->funcs->dccg_init(res_pool->dccg); @@ -305,20 +274,6 @@ void dcn35_init_hw(struct dc *dc) if (!dc->debug.disable_clock_gate) { /* enable all DCN clock gating */ - REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); - - REG_UPDATE_5(DCCG_GATE_DISABLE_CNTL2, SYMCLKA_FE_GATE_DISABLE, 0, - SYMCLKB_FE_GATE_DISABLE, 0, - SYMCLKC_FE_GATE_DISABLE, 0, - SYMCLKD_FE_GATE_DISABLE, 0, - SYMCLKE_FE_GATE_DISABLE, 0); - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, HDMICHARCLK0_GATE_DISABLE, 0); - REG_UPDATE_5(DCCG_GATE_DISABLE_CNTL2, SYMCLKA_GATE_DISABLE, 0, - SYMCLKB_GATE_DISABLE, 0, - SYMCLKC_GATE_DISABLE, 0, - SYMCLKD_GATE_DISABLE, 0, - SYMCLKE_GATE_DISABLE, 0); - REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0); } |