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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/dcn20/dcn20_hubbub.c | |
| 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/dcn20/dcn20_hubbub.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c | 6 |
1 files changed, 6 insertions, 0 deletions
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 = { |