diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0338-drm-amd-display-Fix-warning-storm-on-Raven2.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0338-drm-amd-display-Fix-warning-storm-on-Raven2.patch | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0338-drm-amd-display-Fix-warning-storm-on-Raven2.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0338-drm-amd-display-Fix-warning-storm-on-Raven2.patch new file mode 100644 index 00000000..0bd351e8 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0338-drm-amd-display-Fix-warning-storm-on-Raven2.patch @@ -0,0 +1,90 @@ +From a1018d40dbc1fb2c0413d6d0a657988c4c7c5ef2 Mon Sep 17 00:00:00 2001 +From: Roman Li <Roman.Li@amd.com> +Date: Tue, 9 Oct 2018 13:50:09 -0400 +Subject: [PATCH 0338/2940] 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 <hersenxs.wu@amd.com> +Signed-off-by: Roman Li <Roman.Li@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +Signed-off-by: Huang Rui <ray.huang@amd.com> +--- + .../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 1ea91e153d3a..297e1e5b53d3 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c +@@ -116,7 +116,43 @@ 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 +@@ -140,7 +176,6 @@ 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++) { +@@ -802,5 +837,9 @@ 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 + } + +-- +2.17.1 + |