diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1398-drm-amd-powerplay-implement-get_current_clk_freq-for.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1398-drm-amd-powerplay-implement-get_current_clk_freq-for.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1398-drm-amd-powerplay-implement-get_current_clk_freq-for.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1398-drm-amd-powerplay-implement-get_current_clk_freq-for.patch new file mode 100644 index 00000000..0bce5c1d --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1398-drm-amd-powerplay-implement-get_current_clk_freq-for.patch @@ -0,0 +1,82 @@ +From 321f59376d02aea6a9f5144c8035270e163563fe Mon Sep 17 00:00:00 2001 +From: Kevin Wang <Kevin1.Wang@amd.com> +Date: Tue, 15 Jan 2019 10:54:45 +0800 +Subject: [PATCH 1398/2940] drm/amd/powerplay: implement get_current_clk_freq + for smu11 + +This patch implements get_current_clk_freq for smu11 future use. + +Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++ + drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 24 +++++++++++++++++++ + 2 files changed, 27 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +index db3d0f57c5ca..bdd930d03157 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +@@ -251,6 +251,7 @@ struct smu_funcs + int (*disable_all_mask)(struct smu_context *smu); + int (*notify_display_change)(struct smu_context *smu); + int (*get_power_limit)(struct smu_context *smu); ++ int (*get_current_clk_freq)(struct smu_context *smu, uint32_t clk_id, uint32_t *value); + }; + + #define smu_init_microcode(smu) \ +@@ -327,6 +328,8 @@ struct smu_funcs + ((smu)->ppt_funcs->populate_umd_state_clk ? (smu)->ppt_funcs->populate_umd_state_clk((smu)) : 0) + #define smu_get_power_limit(smu) \ + ((smu)->funcs->get_power_limit? (smu)->funcs->get_power_limit((smu)) : 0) ++#define smu_get_current_clk_freq(smu, clk_id, value) \ ++ ((smu)->funcs->get_current_clk_freq? (smu)->funcs->get_current_clk_freq((smu), (clk_id), (value)) : 0) + + #define smu_msg_get_index(smu, msg) \ + ((smu)->ppt_funcs? ((smu)->ppt_funcs->get_smu_msg_index? (smu)->ppt_funcs->get_smu_msg_index((smu), (msg)) : -EINVAL) : -EINVAL) +diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +index 491986713774..def64f5a967d 100644 +--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c ++++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +@@ -757,6 +757,29 @@ static int smu_v11_0_get_power_limit(struct smu_context *smu) + return 0; + } + ++static int smu_v11_0_get_current_clk_freq(struct smu_context *smu, uint32_t clk_id, uint32_t *value) ++{ ++ int ret = 0; ++ uint32_t freq; ++ ++ if (clk_id >= PPCLK_COUNT || !value) ++ return -EINVAL; ++ ++ ret = smu_send_smc_msg_with_param(smu, ++ SMU_MSG_GetDpmClockFreq, (clk_id << 16)); ++ if (ret) ++ return ret; ++ ++ ret = smu_read_smc_arg(smu, &freq); ++ if (ret) ++ return ret; ++ ++ freq *= 100; ++ *value = freq; ++ ++ return ret; ++} ++ + static const struct smu_funcs smu_v11_0_funcs = { + .init_microcode = smu_v11_0_init_microcode, + .load_microcode = smu_v11_0_load_microcode, +@@ -786,6 +809,7 @@ static const struct smu_funcs smu_v11_0_funcs = { + .disable_all_mask = smu_v11_0_disable_all_mask, + .notify_display_change = smu_v11_0_notify_display_change, + .get_power_limit = smu_v11_0_get_power_limit, ++ .get_current_clk_freq = smu_v11_0_get_current_clk_freq, + }; + + void smu_v11_0_set_smu_funcs(struct smu_context *smu) +-- +2.17.1 + |