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| author | Sung Lee <sunglee@amd.com> | 2023-04-21 12:03:16 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:33:55 -0400 |
| commit | 738b3469f8e12ae72555ef4724bebe8167a93e29 (patch) | |
| tree | 81f3dafba8ba43e3938188a99138460cd9651e86 /drivers/gpu/drm/amd/display/dc | |
| parent | 1ffbc89c302669c95779c1e6b0901380544c9bb8 (diff) | |
| download | linux-stable-738b3469f8e12ae72555ef4724bebe8167a93e29.tar.gz linux-stable-738b3469f8e12ae72555ef4724bebe8167a93e29.tar.bz2 linux-stable-738b3469f8e12ae72555ef4724bebe8167a93e29.zip | |
drm/amd/display: Add additional pstate registers to HW state query
[WHY]
These registers would be useful to know when debugging pstate issues.
[HOW]
Add additional registers to hw state query.
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Sung Lee <sunglee@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')
4 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h index 0b17c2993ca5..09784222cc03 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h @@ -690,6 +690,8 @@ struct dcn_hubp_state { uint32_t primary_surface_addr_hi; uint32_t primary_meta_addr_lo; uint32_t primary_meta_addr_hi; + uint32_t uclk_pstate_force; + uint32_t hubp_cntl; }; struct dcn10_hubp { diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c index 0ddd310cc971..6eebcb22e317 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c @@ -628,6 +628,12 @@ void hubbub2_read_state(struct hubbub *hubbub, struct dcn_hubbub_state *hubbub_s REG_WRITE(DCHUBBUB_TEST_DEBUG_INDEX, 0x6); hubbub_state->test_debug_data = REG_READ(DCHUBBUB_TEST_DEBUG_DATA); } + + if (REG(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL)) + hubbub_state->watermark_change_cntl = REG_READ(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL); + + if (REG(DCHUBBUB_ARB_DRAM_STATE_CNTL)) + hubbub_state->dram_state_cntl = REG_READ(DCHUBBUB_ARB_DRAM_STATE_CNTL); } static const struct hubbub_funcs hubbub2_funcs = { diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c index e46bbe7ddcc9..2861d974fcf6 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c @@ -449,6 +449,12 @@ void hubp3_read_state(struct hubp *hubp) SWATH_HEIGHT_C, &rq_regs->rq_regs_c.swath_height, PTE_ROW_HEIGHT_LINEAR_C, &rq_regs->rq_regs_c.pte_row_height_linear); + if (REG(UCLK_PSTATE_FORCE)) + s->uclk_pstate_force = REG_READ(UCLK_PSTATE_FORCE); + + if (REG(DCHUBP_CNTL)) + s->hubp_cntl = REG_READ(DCHUBP_CNTL); + } void hubp3_setup( diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h index aa80b3f2ca3f..aaa293613846 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h @@ -112,6 +112,8 @@ struct dcn_hubbub_state { uint32_t vm_error_pipe; uint32_t vm_error_mode; uint32_t test_debug_data; + uint32_t watermark_change_cntl; + uint32_t dram_state_cntl; }; struct hubbub_funcs { |