diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1343-drm-amd-powerplay-add-interface-to-check-fw-version-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1343-drm-amd-powerplay-add-interface-to-check-fw-version-.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1343-drm-amd-powerplay-add-interface-to-check-fw-version-.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1343-drm-amd-powerplay-add-interface-to-check-fw-version-.patch new file mode 100644 index 00000000..3b68d843 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1343-drm-amd-powerplay-add-interface-to-check-fw-version-.patch @@ -0,0 +1,62 @@ +From 9b76baccab2c46a308e48de6f523b8177de10db2 Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Tue, 4 Dec 2018 21:51:23 +0800 +Subject: [PATCH 1343/2940] drm/amd/powerplay: add interface to check fw + version (v2) + +This patch adds interface to check fw version for smu. +It's to send msg GetDriverIfVersion to check if the return value is equal with +DRIVER_IF_VERSION of smc header. + +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 b40a3c15a1b3..519682541cae 100644 +--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c ++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +@@ -184,6 +184,14 @@ static int smu_smc_table_hw_init(struct smu_context *smu) + if (ret) + return ret; + ++ /* ++ * Send msg GetDriverIfVersion to check if the return value is equal ++ * with DRIVER_IF_VERSION of smc header. ++ */ ++ ret = smu_check_fw_version(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 da797771c885..95252653a665 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +@@ -44,6 +44,7 @@ struct smu_funcs + int (*check_pptable)(struct smu_context *smu); + int (*parse_pptable)(struct smu_context *smu); + int (*populate_smc_pptable)(struct smu_context *smu); ++ int (*check_fw_version)(struct smu_context *smu); + }; + + #define smu_init_microcode(smu) \ +@@ -66,6 +67,8 @@ struct smu_funcs + ((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) ++#define smu_check_fw_version(smu) \ ++ ((smu)->funcs->check_fw_version ? (smu)->funcs->check_fw_version((smu)) : 0) + + + extern const struct amd_ip_funcs smu_ip_funcs; +-- +2.17.1 + |