From: Jack Xiao Date: Thu, 18 Apr 2019 08:20:10 +0000 (+0800) Subject: drm/amdgpu/vcn2: notify SMU power up/down VCN X-Git-Tag: v5.3-rc1~81^2~10^2~283 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=c113ba157f41325e62e434f21e7235e9e829ea65;p=linux.git drm/amdgpu/vcn2: notify SMU power up/down VCN For sw control power gating, it needs notify SMU to power up/down VCN when enter/exit working state. Signed-off-by: Jack Xiao Reviewed-by: Alex Deucher Reviewed-by: Huang Rui Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c index b5f9afc08c4a..36a80e487b8d 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c @@ -27,6 +27,7 @@ #include "amdgpu_vcn.h" #include "soc15.h" #include "soc15d.h" +#include "amdgpu_pm.h" #include "vcn/vcn_2_0_0_offset.h" #include "vcn/vcn_2_0_0_sh_mask.h" @@ -779,6 +780,9 @@ static int vcn_v2_0_start(struct amdgpu_device *adev) uint32_t lmi_swap_cntl; int i, j, r; + if (adev->pm.dpm_enabled) + amdgpu_dpm_enable_uvd(adev, true); + vcn_v2_0_disable_static_power_gating(adev); /* set uvd status busy */ @@ -991,6 +995,9 @@ static int vcn_v2_0_stop(struct amdgpu_device *adev) vcn_v2_0_enable_clock_gating(adev); vcn_v2_0_enable_static_power_gating(adev); + if (adev->pm.dpm_enabled) + amdgpu_dpm_enable_uvd(adev, false); + return 0; }