From cf1df90f35ac8f8625ef3df1baf8c57fb5582e72 Mon Sep 17 00:00:00 2001 From: Hersen Wu Date: Tue, 13 Feb 2018 16:23:12 -0500 Subject: [PATCH] drm/amd/display: Check DCN PState ASSERT failure [Description] ASIC change debug register definition Signed-off-by: Hersen Wu Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c | 9 ++++++--- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h | 1 + 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c index eb83171..f984583 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c @@ -100,7 +100,6 @@ bool hubbub1_verify_allow_pstate_change_high( static unsigned int max_sampled_pstate_wait_us; /* data collection */ static bool forced_pstate_allow; /* help with revert wa */ - unsigned int debug_index = 0x7; unsigned int debug_data; unsigned int i; @@ -115,7 +114,9 @@ bool hubbub1_verify_allow_pstate_change_high( forced_pstate_allow = false; } - /* description "3-0: Pipe0 cursor0 QOS + /* RV1: + * dchubbubdebugind, at: 0x7 + * description "3-0: Pipe0 cursor0 QOS * 7-4: Pipe1 cursor0 QOS * 11-8: Pipe2 cursor0 QOS * 15-12: Pipe3 cursor0 QOS @@ -137,7 +138,8 @@ bool hubbub1_verify_allow_pstate_change_high( * 31: SOC pstate change request */ - REG_WRITE(DCHUBBUB_TEST_DEBUG_INDEX, debug_index); + + REG_WRITE(DCHUBBUB_TEST_DEBUG_INDEX, hubbub->debug_test_index_pstate); for (i = 0; i < pstate_wait_timeout_us; i++) { debug_data = REG_READ(DCHUBBUB_TEST_DEBUG_DATA); @@ -512,5 +514,6 @@ void hubbub1_construct(struct hubbub *hubbub, hubbub->shifts = hubbub_shift; hubbub->masks = hubbub_mask; + hubbub->debug_test_index_pstate = 0x7; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h index d5c9784..a16e908 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h @@ -185,6 +185,7 @@ struct hubbub { const struct dcn_hubbub_registers *regs; const struct dcn_hubbub_shift *shifts; const struct dcn_hubbub_mask *masks; + unsigned int debug_test_index_pstate; }; void hubbub1_update_dchub( -- 2.7.4