From d567cc55c0a9bd2744d5f32e3090e55f9e0c0a40 Mon Sep 17 00:00:00 2001 From: Roman Li Date: Tue, 9 Oct 2018 13:50:09 -0400 Subject: [PATCH] drm/amd/display: Fix warning storm on Raven2 [Why] Wrong index for pstate debug test register [How] Add correct index value for dcn1_01 in hubbub1_construct() Signed-off-by: Hersen Wu Signed-off-by: Roman Li Acked-by: Alex Deucher Reviewed-by: Huang Rui Signed-off-by: Huang Rui Signed-off-by: Alex Deucher --- .../drm/amd/display/dc/dcn10/dcn10_hubbub.c | 43 ++++++++++++++++++- 1 file changed, 41 insertions(+), 2 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 69345ce688c6..4254e7e1a509 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c @@ -133,7 +133,43 @@ bool hubbub1_verify_allow_pstate_change_high( forced_pstate_allow = false; } - /* RV1: + /* RV2: + * dchubbubdebugind, at: 0xB + * description + * 0: Pipe0 Plane0 Allow Pstate Change + * 1: Pipe0 Plane1 Allow Pstate Change + * 2: Pipe0 Cursor0 Allow Pstate Change + * 3: Pipe0 Cursor1 Allow Pstate Change + * 4: Pipe1 Plane0 Allow Pstate Change + * 5: Pipe1 Plane1 Allow Pstate Change + * 6: Pipe1 Cursor0 Allow Pstate Change + * 7: Pipe1 Cursor1 Allow Pstate Change + * 8: Pipe2 Plane0 Allow Pstate Change + * 9: Pipe2 Plane1 Allow Pstate Change + * 10: Pipe2 Cursor0 Allow Pstate Change + * 11: Pipe2 Cursor1 Allow Pstate Change + * 12: Pipe3 Plane0 Allow Pstate Change + * 13: Pipe3 Plane1 Allow Pstate Change + * 14: Pipe3 Cursor0 Allow Pstate Change + * 15: Pipe3 Cursor1 Allow Pstate Change + * 16: Pipe4 Plane0 Allow Pstate Change + * 17: Pipe4 Plane1 Allow Pstate Change + * 18: Pipe4 Cursor0 Allow Pstate Change + * 19: Pipe4 Cursor1 Allow Pstate Change + * 20: Pipe5 Plane0 Allow Pstate Change + * 21: Pipe5 Plane1 Allow Pstate Change + * 22: Pipe5 Cursor0 Allow Pstate Change + * 23: Pipe5 Cursor1 Allow Pstate Change + * 24: Pipe6 Plane0 Allow Pstate Change + * 25: Pipe6 Plane1 Allow Pstate Change + * 26: Pipe6 Cursor0 Allow Pstate Change + * 27: Pipe6 Cursor1 Allow Pstate Change + * 28: WB0 Allow Pstate Change + * 29: WB1 Allow Pstate Change + * 30: Arbiter's allow_pstate_change + * 31: SOC pstate change request" + * + * RV1: * dchubbubdebugind, at: 0x7 * description "3-0: Pipe0 cursor0 QOS * 7-4: Pipe1 cursor0 QOS @@ -157,7 +193,6 @@ bool hubbub1_verify_allow_pstate_change_high( * 31: SOC pstate change request */ - REG_WRITE(DCHUBBUB_TEST_DEBUG_INDEX, hubbub->debug_test_index_pstate); for (i = 0; i < pstate_wait_timeout_us; i++) { @@ -819,5 +854,9 @@ void hubbub1_construct(struct hubbub *hubbub, hubbub->masks = hubbub_mask; hubbub->debug_test_index_pstate = 0x7; +#if defined(CONFIG_DRM_AMD_DC_DCN1_01) + if (ctx->dce_version == DCN_VERSION_1_01) + hubbub->debug_test_index_pstate = 0xB; +#endif } -- 2.30.2