diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1344-drm-amd-powerplay-add-interface-to-write-pptable-v2.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1344-drm-amd-powerplay-add-interface-to-write-pptable-v2.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1344-drm-amd-powerplay-add-interface-to-write-pptable-v2.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1344-drm-amd-powerplay-add-interface-to-write-pptable-v2.patch new file mode 100644 index 00000000..4dd562a8 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1344-drm-amd-powerplay-add-interface-to-write-pptable-v2.patch @@ -0,0 +1,62 @@ +From 6101c0c2405071230e28d1f878e6232ca0a9ee24 Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Tue, 4 Dec 2018 21:57:05 +0800 +Subject: [PATCH 1344/2940] drm/amd/powerplay: add interface to write pptable + (v2) + +This patch adds interface to write pptable for smu. +It's to copy pptable bo in the vram to smc with SMU MSGs such as +SetDriverDramAddr and TransferTableDram2Smu. + +v2: add detailed info to describe this function + +Signed-off-by: Huang Rui <ray.huang@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 8 ++++++++ + drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++ + 2 files changed, 11 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +index 519682541cae..747b6b7a7675 100644 +--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c ++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +@@ -192,6 +192,14 @@ static int smu_smc_table_hw_init(struct smu_context *smu) + if (ret) + return ret; + ++ /* ++ * Copy pptable bo in the vram to smc with SMU MSGs such as ++ * SetDriverDramAddr and TransferTableDram2Smu. ++ */ ++ ret = smu_write_pptable(smu); ++ if (ret) ++ return ret; ++ + return 0; + } + +diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +index 95252653a665..e7e9fecbb086 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +@@ -45,6 +45,7 @@ struct smu_funcs + int (*parse_pptable)(struct smu_context *smu); + int (*populate_smc_pptable)(struct smu_context *smu); + int (*check_fw_version)(struct smu_context *smu); ++ int (*write_pptable)(struct smu_context *smu); + }; + + #define smu_init_microcode(smu) \ +@@ -69,6 +70,8 @@ struct smu_funcs + ((smu)->funcs->populate_smc_pptable ? (smu)->funcs->populate_smc_pptable((smu)) : 0) + #define smu_check_fw_version(smu) \ + ((smu)->funcs->check_fw_version ? (smu)->funcs->check_fw_version((smu)) : 0) ++#define smu_write_pptable(smu) \ ++ ((smu)->funcs->write_pptable ? (smu)->funcs->write_pptable((smu)) : 0) + + + extern const struct amd_ip_funcs smu_ip_funcs; +-- +2.17.1 + |