diff options
author | Daniel Miess <daniel.miess@amd.com> | 2023-10-26 14:34:14 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-07 12:03:30 -0500 |
commit | e4c33fff2eae41d16d9760e56efc23dcc30c6b91 (patch) | |
tree | 38aa5293b9b1f3397b81c23e6ea7797cc56f1927 /drivers/gpu/drm/amd/display/dc/hwss | |
parent | 90f2f83352f7e85edb38cdb171627ded3d9c7040 (diff) | |
download | linux-stable-e4c33fff2eae41d16d9760e56efc23dcc30c6b91.tar.gz linux-stable-e4c33fff2eae41d16d9760e56efc23dcc30c6b91.tar.bz2 linux-stable-e4c33fff2eae41d16d9760e56efc23dcc30c6b91.zip |
drm/amd/display: Enable physymclk RCO
[Why]
Enable the last of the RCO options for dcn35
[How]
Breakout RCO from dccg35_set_physymclk so that
physymclk RCO can be set in dccg_init without
disabling physymclk
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@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/dce/dce_hwseq.h | 18 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 24 |
2 files changed, 39 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h index 2fefdf40612d..44b4df6469d1 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h @@ -1183,7 +1183,23 @@ struct dce_hwseq_registers { type LONO_FGCG_REP_DIS;\ type LONO_DISPCLK_GATE_DISABLE;\ type LONO_SOCCLK_GATE_DISABLE;\ - type LONO_DMCUBCLK_GATE_DISABLE; + type LONO_DMCUBCLK_GATE_DISABLE;\ + type SYMCLKA_FE_GATE_DISABLE;\ + type SYMCLKB_FE_GATE_DISABLE;\ + type SYMCLKC_FE_GATE_DISABLE;\ + type SYMCLKD_FE_GATE_DISABLE;\ + type SYMCLKE_FE_GATE_DISABLE;\ + type HDMICHARCLK0_GATE_DISABLE;\ + type SYMCLKA_GATE_DISABLE;\ + type SYMCLKB_GATE_DISABLE;\ + type SYMCLKC_GATE_DISABLE;\ + type SYMCLKD_GATE_DISABLE;\ + type SYMCLKE_GATE_DISABLE;\ + type PHYASYMCLK_ROOT_GATE_DISABLE;\ + type PHYBSYMCLK_ROOT_GATE_DISABLE;\ + type PHYCSYMCLK_ROOT_GATE_DISABLE;\ + type PHYDSYMCLK_ROOT_GATE_DISABLE;\ + type PHYESYMCLK_ROOT_GATE_DISABLE; struct dce_hwseq_shift { HWSEQ_REG_FIELD_LIST(uint8_t) 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 0569fa6f7600..5a8258287438 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 @@ -146,7 +146,15 @@ void dcn35_init_hw(struct dc *dc) } REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); - REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0x3F000000); + 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_WRITE(DCCG_GATE_DISABLE_CNTL5, 0x1f7c3fcf); // Initialize the dccg @@ -275,7 +283,19 @@ 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_WRITE(DCCG_GATE_DISABLE_CNTL2, 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); } |