diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1345-drm-amd-powerplay-add-interface-to-set-min-dcef-deep.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1345-drm-amd-powerplay-add-interface-to-set-min-dcef-deep.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1345-drm-amd-powerplay-add-interface-to-set-min-dcef-deep.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1345-drm-amd-powerplay-add-interface-to-set-min-dcef-deep.patch new file mode 100644 index 00000000..798a985c --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1345-drm-amd-powerplay-add-interface-to-set-min-dcef-deep.patch @@ -0,0 +1,62 @@ +From e5e90389189f870a6b91eb890674bed26b1ae36d Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Tue, 4 Dec 2018 22:00:22 +0800 +Subject: [PATCH 1345/2940] drm/amd/powerplay: add interface to set min dcef + deep sleep (v2) + +This patch adds interface to set min dcef deep sleep for smu. +It's to set min deep sleep dce fclk with bootup value from vbios via +SetMinDeepSleepDcefclk MSG. + +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 747b6b7a7675..5e22b154fff1 100644 +--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c ++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +@@ -200,6 +200,14 @@ static int smu_smc_table_hw_init(struct smu_context *smu) + if (ret) + return ret; + ++ /* ++ * Set min deep sleep dce fclk with bootup value from vbios via ++ * SetMinDeepSleepDcefclk MSG. ++ */ ++ ret = smu_set_min_dcef_deep_sleep(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 e7e9fecbb086..90e80cd6f0fa 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +@@ -46,6 +46,7 @@ struct smu_funcs + int (*populate_smc_pptable)(struct smu_context *smu); + int (*check_fw_version)(struct smu_context *smu); + int (*write_pptable)(struct smu_context *smu); ++ int (*set_min_dcef_deep_sleep)(struct smu_context *smu); + }; + + #define smu_init_microcode(smu) \ +@@ -72,6 +73,8 @@ struct smu_funcs + ((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) ++#define smu_set_min_dcef_deep_sleep(smu) \ ++ ((smu)->funcs->set_min_dcef_deep_sleep ? (smu)->funcs->set_min_dcef_deep_sleep((smu)) : 0) + + + extern const struct amd_ip_funcs smu_ip_funcs; +-- +2.17.1 + |