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| author | Alvin Lee <alvin.lee2@amd.com> | 2024-03-20 13:27:58 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-09 22:04:06 -0400 |
| commit | 7eb9d1e0ebad5ece64ccab0606bcf21faee1e6eb (patch) | |
| tree | 61db93fdde41ccb3676dd074480c3018abc1d74f /drivers/gpu/drm/amd | |
| parent | 75d5f90df1d090f2cd449b6e4f4876ac38c510e5 (diff) | |
| download | linux-stable-7eb9d1e0ebad5ece64ccab0606bcf21faee1e6eb.tar.gz linux-stable-7eb9d1e0ebad5ece64ccab0606bcf21faee1e6eb.tar.bz2 linux-stable-7eb9d1e0ebad5ece64ccab0606bcf21faee1e6eb.zip | |
drm/amd/display: Add extra logging for HUBP and OTG
[Description]
Add extra logging for DCSURF_FLIP_CNTL, DCHUBP_CNTL,
OTG_MASTER_EN, and OTG_DOUBLE_BUFFER_CONTROL for more
debuggability for a system crash.
Reviewed-by: Samson Tam <samson.tam@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
5 files changed, 15 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 09784222cc03..69119b2fdce2 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h @@ -692,6 +692,7 @@ struct dcn_hubp_state { uint32_t primary_meta_addr_hi; uint32_t uclk_pstate_force; uint32_t hubp_cntl; + uint32_t flip_control; }; struct dcn10_hubp { diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c index 89c3bf0fe0c9..6bba020ad6fb 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c @@ -1331,6 +1331,12 @@ void hubp2_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(DCHUBP_CNTL)) + s->hubp_cntl = REG_READ(DCHUBP_CNTL); + + if (REG(DCSURF_FLIP_CONTROL)) + s->flip_control = REG_READ(DCSURF_FLIP_CONTROL); + } static void hubp2_validate_dml_output(struct hubp *hubp, 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 75547ce86c09..60a64d290352 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c @@ -455,6 +455,9 @@ void hubp3_read_state(struct hubp *hubp) if (REG(DCHUBP_CNTL)) s->hubp_cntl = REG_READ(DCHUBP_CNTL); + if (REG(DCSURF_FLIP_CONTROL)) + s->flip_control = REG_READ(DCSURF_FLIP_CONTROL); + } void hubp3_setup( diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/optc.h b/drivers/gpu/drm/amd/display/dc/inc/hw/optc.h index 9a8bf6ec70ea..8d32e525f05a 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/optc.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/optc.h @@ -93,6 +93,8 @@ struct dcn_otg_state { uint32_t vertical_interrupt1_line; uint32_t vertical_interrupt2_en; uint32_t vertical_interrupt2_line; + uint32_t otg_master_update_lock; + uint32_t otg_double_buffer_control; }; void optc1_read_otg_state(struct optc *optc1, struct dcn_otg_state *s); diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c index 0e8f4f36c87c..f109a101d84f 100644 --- a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c @@ -1383,6 +1383,9 @@ void optc1_read_otg_state(struct optc *optc1, REG_GET(OTG_VERTICAL_INTERRUPT2_POSITION, OTG_VERTICAL_INTERRUPT2_LINE_START, &s->vertical_interrupt2_line); + + s->otg_master_update_lock = REG_READ(OTG_MASTER_UPDATE_LOCK); + s->otg_double_buffer_control = REG_READ(OTG_DOUBLE_BUFFER_CONTROL); } bool optc1_get_otg_active_size(struct timing_generator *optc, |