diff options
| author | Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> | 2019-10-02 21:04:54 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-17 23:27:45 +0300 |
| commit | 4de094ee8a18ae48b91c7b9f3f0f086f7c3e3f01 (patch) | |
| tree | c1e1486c3dd2f65267511d81ba23336e19060926 /drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c | |
| parent | 91c665bdc1d54f19506bd106578ad7cb945c55e2 (diff) | |
| download | linux-4de094ee8a18ae48b91c7b9f3f0f086f7c3e3f01.tar.xz | |
drm/amd/display: add REFCYC_PER_TRIP_TO_MEMORY programming
it allows us to do urgent latency programming
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c index d1266741763b..8e7e79f44272 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c @@ -97,7 +97,7 @@ void dcn21_dchvm_init(struct hubbub *hubbub) REG_WAIT(DCHVM_RIOMMU_STAT0, HOSTVM_PREFETCH_DONE, 1, 5, 100); } -static int hubbub21_init_dchub(struct hubbub *hubbub, +int hubbub21_init_dchub(struct hubbub *hubbub, struct dcn_hubbub_phys_addr_config *pa_config) { struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub); @@ -120,7 +120,7 @@ static int hubbub21_init_dchub(struct hubbub *hubbub, return NUM_VMID; } -static void hubbub21_program_urgent_watermarks( +void hubbub21_program_urgent_watermarks( struct hubbub *hubbub, struct dcn_watermark_set *watermarks, unsigned int refclk_mhz, @@ -160,6 +160,13 @@ static void hubbub21_program_urgent_watermarks( REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, 0, DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, watermarks->a.frac_urg_bw_nom); } + if (safe_to_lower || watermarks->a.urgent_latency_ns > hubbub1->watermarks.a.urgent_latency_ns) { + hubbub1->watermarks.a.urgent_latency_ns = watermarks->a.urgent_latency_ns; + prog_wm_value = convert_and_clamp(watermarks->a.urgent_latency_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, 0, + DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, prog_wm_value); + } /* clock state B */ if (safe_to_lower || watermarks->b.urgent_ns > hubbub1->watermarks.b.urgent_ns) { @@ -192,6 +199,14 @@ static void hubbub21_program_urgent_watermarks( DCHUBBUB_ARB_FRAC_URG_BW_NOM_B, watermarks->a.frac_urg_bw_nom); } + if (safe_to_lower || watermarks->b.urgent_latency_ns > hubbub1->watermarks.b.urgent_latency_ns) { + hubbub1->watermarks.b.urgent_latency_ns = watermarks->b.urgent_latency_ns; + prog_wm_value = convert_and_clamp(watermarks->b.urgent_latency_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, 0, + DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, prog_wm_value); + } + /* clock state C */ if (safe_to_lower || watermarks->c.urgent_ns > hubbub1->watermarks.c.urgent_ns) { hubbub1->watermarks.c.urgent_ns = watermarks->c.urgent_ns; @@ -223,6 +238,14 @@ static void hubbub21_program_urgent_watermarks( DCHUBBUB_ARB_FRAC_URG_BW_NOM_C, watermarks->a.frac_urg_bw_nom); } + if (safe_to_lower || watermarks->c.urgent_latency_ns > hubbub1->watermarks.c.urgent_latency_ns) { + hubbub1->watermarks.c.urgent_latency_ns = watermarks->c.urgent_latency_ns; + prog_wm_value = convert_and_clamp(watermarks->c.urgent_latency_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, 0, + DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, prog_wm_value); + } + /* clock state D */ if (safe_to_lower || watermarks->d.urgent_ns > hubbub1->watermarks.d.urgent_ns) { hubbub1->watermarks.d.urgent_ns = watermarks->d.urgent_ns; @@ -253,9 +276,17 @@ static void hubbub21_program_urgent_watermarks( REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, 0, DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, watermarks->a.frac_urg_bw_nom); } + + if (safe_to_lower || watermarks->d.urgent_latency_ns > hubbub1->watermarks.d.urgent_latency_ns) { + hubbub1->watermarks.d.urgent_latency_ns = watermarks->d.urgent_latency_ns; + prog_wm_value = convert_and_clamp(watermarks->d.urgent_latency_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, 0, + DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, prog_wm_value); + } } -static void hubbub21_program_stutter_watermarks( +void hubbub21_program_stutter_watermarks( struct hubbub *hubbub, struct dcn_watermark_set *watermarks, unsigned int refclk_mhz, @@ -389,7 +420,7 @@ static void hubbub21_program_stutter_watermarks( } } -static void hubbub21_program_pstate_watermarks( +void hubbub21_program_pstate_watermarks( struct hubbub *hubbub, struct dcn_watermark_set *watermarks, unsigned int refclk_mhz, |