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author | Huang Rui | 2019-01-11 09:23:36 +0100 |
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committer | Alex Deucher | 2019-03-19 21:03:58 +0100 |
commit | 94ed6d0cfdb867be9bf05f03d682980bce5d0036 (patch) | |
tree | 9dab407c4252c117b36b88e7da08701bac3f9102 /drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | |
parent | drm/amd/powerplay: add two interfaces to set_active_display_count and store_c... (diff) | |
download | kernel-qcow2-linux-94ed6d0cfdb867be9bf05f03d682980bce5d0036.tar.gz kernel-qcow2-linux-94ed6d0cfdb867be9bf05f03d682980bce5d0036.tar.xz kernel-qcow2-linux-94ed6d0cfdb867be9bf05f03d682980bce5d0036.zip |
drm/amd/powerplay: add smu display configuration change function
This patch adds display configuration change function that creates the new path
with sw smu driver instead of powerplay.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kevin Wang <Kevin1.Wang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index dc431f2eebe1..cf8739f262c8 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -780,6 +780,40 @@ failed: return ret; } +int smu_display_configuration_change(struct smu_context *smu, + const struct amd_pp_display_configuration *display_config) +{ + int index = 0; + int num_of_active_display = 0; + + if (!is_support_sw_smu(smu->adev)) + return -EINVAL; + + if (!display_config) + return -EINVAL; + + mutex_lock(&smu->mutex); + + smu_set_deep_sleep_dcefclk(smu, + display_config->min_dcef_deep_sleep_set_clk / 100); + + for (index = 0; index < display_config->num_path_including_non_display; index++) { + if (display_config->displays[index].controller_id != 0) + num_of_active_display++; + } + + smu_set_active_display_count(smu, num_of_active_display); + + smu_store_cc6_data(smu, display_config->cpu_pstate_separation_time, + display_config->cpu_cc6_disable, + display_config->cpu_pstate_disable, + display_config->nb_pstate_switch_disable); + + mutex_unlock(&smu->mutex); + + return 0; +} + static int smu_set_clockgating_state(void *handle, enum amd_clockgating_state state) { |