diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1394-drm-amd-powerplay-implement-smu_notify_display_chang.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1394-drm-amd-powerplay-implement-smu_notify_display_chang.patch | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1394-drm-amd-powerplay-implement-smu_notify_display_chang.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1394-drm-amd-powerplay-implement-smu_notify_display_chang.patch new file mode 100644 index 00000000..7a8c39cf --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1394-drm-amd-powerplay-implement-smu_notify_display_chang.patch @@ -0,0 +1,86 @@ +From f7e79fef0f668d9b06798651eacf06d58eb762cc Mon Sep 17 00:00:00 2001 +From: Kevin Wang <Kevin1.Wang@amd.com> +Date: Wed, 26 Dec 2018 16:14:55 +0800 +Subject: [PATCH 1394/2940] drm/amd/powerplay: implement + smu_notify_display_change function for smu11 + +add smu_notify_display_change function to send msg to smc to notify +display is changed. + +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> +--- + drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 4 ++++ + drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++ + drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 11 +++++++++++ + 3 files changed, 18 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +index aba3fb1a6bdb..47b46115a4f3 100644 +--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c ++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +@@ -381,6 +381,10 @@ static int smu_smc_table_hw_init(struct smu_context *smu) + if (ret) + return ret; + ++ ret = smu_notify_display_change(smu); ++ if (ret) ++ return ret; ++ + /* + * Set min deep sleep dce fclk with bootup value from vbios via + * SetMinDeepSleepDcefclk MSG. +diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +index dfabd73fedaf..154f74eb9081 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +@@ -241,6 +241,7 @@ struct smu_funcs + int (*get_enabled_mask)(struct smu_context *smu, uint32_t *feature_mask, uint32_t num); + int (*enable_all_mask)(struct smu_context *smu); + int (*disable_all_mask)(struct smu_context *smu); ++ int (*notify_display_change)(struct smu_context *smu); + + }; + +@@ -304,6 +305,8 @@ struct smu_funcs + ((smu)->funcs->enable_all_mask? (smu)->funcs->enable_all_mask((smu)) : 0) + #define smu_feature_disable_all(smu) \ + ((smu)->funcs->disable_all_mask? (smu)->funcs->disable_all_mask((smu)) : 0) ++#define smu_notify_display_change(smu) \ ++ ((smu)->funcs->notify_display_change? (smu)->funcs->notify_display_change((smu)) : 0) + #define smu_store_powerplay_table(smu) \ + ((smu)->ppt_funcs->store_powerplay_table ? (smu)->ppt_funcs->store_powerplay_table((smu)) : 0) + #define smu_check_powerplay_table(smu) \ +diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +index f76b5afd0258..bfda4a30a14f 100644 +--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c ++++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +@@ -760,6 +760,16 @@ static int smu_v11_0_disable_all_mask(struct smu_context *smu) + return ret; + } + ++static int smu_v11_0_notify_display_change(struct smu_context *smu) ++{ ++ int ret = 0; ++ ++ if (smu_feature_is_enabled(smu, FEATURE_DPM_UCLK_BIT)) ++ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetUclkFastSwitch, 1); ++ ++ 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, +@@ -787,6 +797,7 @@ static const struct smu_funcs smu_v11_0_funcs = { + .get_enabled_mask = smu_v11_0_get_enabled_mask, + .enable_all_mask = smu_v11_0_enable_all_mask, + .disable_all_mask = smu_v11_0_disable_all_mask, ++ .notify_display_change = smu_v11_0_notify_display_change, + }; + + void smu_v11_0_set_smu_funcs(struct smu_context *smu) +-- +2.17.1 + |