diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1342-drm-amd-powerplay-add-interface-to-populate-smc-ppta.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1342-drm-amd-powerplay-add-interface-to-populate-smc-ppta.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1342-drm-amd-powerplay-add-interface-to-populate-smc-ppta.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1342-drm-amd-powerplay-add-interface-to-populate-smc-ppta.patch new file mode 100644 index 00000000..1503ac37 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1342-drm-amd-powerplay-add-interface-to-populate-smc-ppta.patch @@ -0,0 +1,64 @@ +From 5556115455570ef66ccb02cea674f3dca829efc4 Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Tue, 4 Dec 2018 21:42:41 +0800 +Subject: [PATCH 1342/2940] drm/amd/powerplay: add interface to populate smc + pptable (v2) + +This patch adds interface to populate smc pptable for smu. +It's to set initialized values (get from vbios) to dpm tables context such as +gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each type of +clks. + +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 | 9 +++++++++ + drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++ + 2 files changed, 12 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +index 323db7dc47b1..b40a3c15a1b3 100644 +--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c ++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +@@ -175,6 +175,15 @@ static int smu_smc_table_hw_init(struct smu_context *smu) + if (ret) + return ret; + ++ /* ++ * Set initialized values (get from vbios) to dpm tables context such as ++ * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each ++ * type of clks. ++ */ ++ ret = smu_populate_smc_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 fcdbade49878..da797771c885 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +@@ -43,6 +43,7 @@ struct smu_funcs + int (*get_vbios_bootup_values)(struct smu_context *smu); + int (*check_pptable)(struct smu_context *smu); + int (*parse_pptable)(struct smu_context *smu); ++ int (*populate_smc_pptable)(struct smu_context *smu); + }; + + #define smu_init_microcode(smu) \ +@@ -63,6 +64,8 @@ struct smu_funcs + ((smu)->funcs->check_pptable ? (smu)->funcs->check_pptable((smu)) : 0) + #define smu_parse_pptable(smu) \ + ((smu)->funcs->parse_pptable ? (smu)->funcs->parse_pptable((smu)) : 0) ++#define smu_populate_smc_pptable(smu) \ ++ ((smu)->funcs->populate_smc_pptable ? (smu)->funcs->populate_smc_pptable((smu)) : 0) + + + extern const struct amd_ip_funcs smu_ip_funcs; +-- +2.17.1 + |