diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1339-drm-amd-powerplay-add-interface-to-check-pptable-v2.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1339-drm-amd-powerplay-add-interface-to-check-pptable-v2.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1339-drm-amd-powerplay-add-interface-to-check-pptable-v2.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1339-drm-amd-powerplay-add-interface-to-check-pptable-v2.patch new file mode 100644 index 00000000..46b16413 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1339-drm-amd-powerplay-add-interface-to-check-pptable-v2.patch @@ -0,0 +1,62 @@ +From 25b003e170d3f47d2947cbe36a82798a8a8906b0 Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Tue, 4 Dec 2018 18:41:58 +0800 +Subject: [PATCH 1339/2940] drm/amd/powerplay: add interface to check pptable + (v2) + +This patch adds interface to check pptable function for smu. +It's to check if the format_revision in vbios is up to pptable header version, +and the structure size is not 0. + +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 d022388f3993..d7d40bfba7b0 100644 +--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c ++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +@@ -145,6 +145,14 @@ static int smu_smc_table_hw_init(struct smu_context *smu) + if (ret) + return ret; + ++ /* ++ * check if the format_revision in vbios is up to pptable header ++ * version, and the structure size is not 0. ++ */ ++ ret = smu_check_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 10888c6956aa..40159636845a 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +@@ -41,6 +41,7 @@ struct smu_funcs + int (*check_fw_status)(struct smu_context *smu); + int (*read_pptable_from_vbios)(struct smu_context *smu); + int (*get_vbios_bootup_values)(struct smu_context *smu); ++ int (*check_pptable)(struct smu_context *smu); + }; + + #define smu_init_microcode(smu) \ +@@ -57,6 +58,8 @@ struct smu_funcs + ((smu)->funcs->read_pptable_from_vbios ? (smu)->funcs->read_pptable_from_vbios((smu)) : 0) + #define smu_get_vbios_bootup_values(smu) \ + ((smu)->funcs->get_vbios_bootup_values ? (smu)->funcs->get_vbios_bootup_values((smu)) : 0) ++#define smu_check_pptable(smu) \ ++ ((smu)->funcs->check_pptable ? (smu)->funcs->check_pptable((smu)) : 0) + + extern const struct amd_ip_funcs smu_ip_funcs; + +-- +2.17.1 + |