Signed-off-by: Huang Rui <ray.huang at amd.com> --- drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 12 ++++++++++++ drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 12 ++++++++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index 03a35d9..9f1d8f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -793,6 +793,17 @@ static int uvd_v5_0_set_powergating_state(void *handle, } } +static void uvd_v5_0_clockgating_state(void *handle, u32 *flags) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int data; + + /* AMD_CG_SUPPORT_UVD_MGCG */ + data = RREG32(mmUVD_CGC_CTRL); + if (data & UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK) + *flags |= AMD_CG_SUPPORT_UVD_MGCG; +} + static const struct amd_ip_funcs uvd_v5_0_ip_funcs = { .name = "uvd_v5_0", .early_init = uvd_v5_0_early_init, @@ -808,6 +819,7 @@ static const struct amd_ip_funcs uvd_v5_0_ip_funcs = { .soft_reset = uvd_v5_0_soft_reset, .set_clockgating_state = uvd_v5_0_set_clockgating_state, .set_powergating_state = uvd_v5_0_set_powergating_state, + .clockgating_state = uvd_v5_0_clockgating_state, }; static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 8779d4b..bccf2b9 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -1001,6 +1001,17 @@ static int uvd_v6_0_set_powergating_state(void *handle, } } +static void uvd_v6_0_clockgating_state(void *handle, u32 *flags) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int data; + + /* AMD_CG_SUPPORT_UVD_MGCG */ + data = RREG32(mmUVD_CGC_CTRL); + if (data & UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK) + *flags |= AMD_CG_SUPPORT_UVD_MGCG; +} + static const struct amd_ip_funcs uvd_v6_0_ip_funcs = { .name = "uvd_v6_0", .early_init = uvd_v6_0_early_init, @@ -1019,6 +1030,7 @@ static const struct amd_ip_funcs uvd_v6_0_ip_funcs = { .post_soft_reset = uvd_v6_0_post_soft_reset, .set_clockgating_state = uvd_v6_0_set_clockgating_state, .set_powergating_state = uvd_v6_0_set_powergating_state, + .clockgating_state = uvd_v6_0_clockgating_state, }; static const struct amdgpu_ring_funcs uvd_v6_0_ring_phys_funcs = { -- 2.7.4