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drm/amd/display: Disable hdmistream and hdmichar clocks

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[Why & How]
Disable hdmistream and hdmichar root clocks when not being used.

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jake Wang 2021-09-22 23:37:52 -04:00 committed by Alex Deucher
parent f2949a513a
commit e7414a1a18
4 changed files with 22 additions and 6 deletions
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9
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h
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@ -186,8 +186,11 @@
type SYMCLK32_ROOT_LE0_GATE_DISABLE;\
type SYMCLK32_ROOT_LE1_GATE_DISABLE;\
type DPSTREAMCLK_ROOT_GATE_DISABLE;\
type DPSTREAMCLK_GATE_DISABLE;
type DPSTREAMCLK_GATE_DISABLE;\
type HDMISTREAMCLK0_DTO_PHASE;\
type HDMISTREAMCLK0_DTO_MODULO;\
type HDMICHARCLK0_GATE_DISABLE;\
type HDMICHARCLK0_ROOT_GATE_DISABLE;
struct dccg_shift {
@ -231,6 +234,8 @@ struct dccg_registers {
uint32_t DPSTREAMCLK_ROOT_GATE_DISABLE;
uint32_t DPSTREAMCLK_GATE_DISABLE;
uint32_t DCCG_GATE_DISABLE_CNTL3;
uint32_t HDMISTREAMCLK0_DTO_PARAM;
uint32_t DCCG_GATE_DISABLE_CNTL4;
};

9
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.h
View File

@ -66,7 +66,8 @@
SR(DSCCLK1_DTO_PARAM),\
SR(DSCCLK2_DTO_PARAM),\
SR(DSCCLK_DTO_CTRL),\
SR(DCCG_GATE_DISABLE_CNTL3)
SR(DCCG_GATE_DISABLE_CNTL3),\
SR(HDMISTREAMCLK0_DTO_PARAM)
#define DCCG_MASK_SH_LIST_DCN31(mask_sh) \
@ -141,9 +142,9 @@
DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_SE2_GATE_DISABLE, mask_sh),\
DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_SE3_GATE_DISABLE, mask_sh),\
DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_LE0_GATE_DISABLE, mask_sh),\
DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_LE1_GATE_DISABLE, mask_sh)
DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_LE1_GATE_DISABLE, mask_sh),\
DCCG_SF(HDMISTREAMCLK0_DTO_PARAM, HDMISTREAMCLK0_DTO_PHASE, mask_sh),\
DCCG_SF(HDMISTREAMCLK0_DTO_PARAM, HDMISTREAMCLK0_DTO_MODULO, mask_sh)
struct dccg *dccg31_create(

2
drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_1_2_offset.h
View File

@ -436,6 +436,8 @@
#define regPHYESYMCLK_CLOCK_CNTL_BASE_IDX 2
#define regDCCG_GATE_DISABLE_CNTL3 0x005a
#define regDCCG_GATE_DISABLE_CNTL3_BASE_IDX 2
#define regHDMISTREAMCLK0_DTO_PARAM 0x005b
#define regHDMISTREAMCLK0_DTO_PARAM_BASE_IDX 2
#define regDCCG_AUDIO_DTBCLK_DTO_PHASE 0x0061
#define regDCCG_AUDIO_DTBCLK_DTO_PHASE_BASE_IDX 2
#define regDCCG_AUDIO_DTBCLK_DTO_MODULO 0x0062

8
drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_1_2_sh_mask.h
View File

@ -1438,6 +1438,14 @@
#define DCCG_GATE_DISABLE_CNTL3__SYMCLK32_LE0_GATE_DISABLE_MASK 0x00200000L
#define DCCG_GATE_DISABLE_CNTL3__SYMCLK32_ROOT_LE1_GATE_DISABLE_MASK 0x00400000L
#define DCCG_GATE_DISABLE_CNTL3__SYMCLK32_LE1_GATE_DISABLE_MASK 0x00800000L
//HDMISTREAMCLK0_DTO_PARAM
#define HDMISTREAMCLK0_DTO_PARAM__HDMISTREAMCLK0_DTO_PHASE__SHIFT 0x0
#define HDMISTREAMCLK0_DTO_PARAM__HDMISTREAMCLK0_DTO_MODULO__SHIFT 0x8
#define HDMISTREAMCLK0_DTO_PARAM__HDMISTREAMCLK0_DTO_EN__SHIFT 0x10
#define HDMISTREAMCLK0_DTO_PARAM__HDMISTREAMCLK0_DTO_PHASE_MASK 0x000000FFL
#define HDMISTREAMCLK0_DTO_PARAM__HDMISTREAMCLK0_DTO_MODULO_MASK 0x0000FF00L
#define HDMISTREAMCLK0_DTO_PARAM__HDMISTREAMCLK0_DTO_EN_MASK 0x00010000L
//DCCG_AUDIO_DTBCLK_DTO_PHASE
#define DCCG_AUDIO_DTBCLK_DTO_PHASE__DCCG_AUDIO_DTBCLK_DTO_PHASE__SHIFT 0x0
#define DCCG_AUDIO_DTBCLK_DTO_PHASE__DCCG_AUDIO_DTBCLK_DTO_PHASE_MASK 0xFFFFFFFFL