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path: root/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c53
1 files changed, 38 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index ba0bbf7138dc..18a6de4e1512 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -155,9 +155,9 @@ static int uvd_v6_0_hw_init(void *handle)
uint32_t tmp;
int r;
- r = uvd_v6_0_start(adev);
- if (r)
- goto done;
+ amdgpu_asic_set_uvd_clocks(adev, 10000, 10000);
+ uvd_v6_0_set_clockgating_state(adev, AMD_CG_STATE_UNGATE);
+ uvd_v6_0_enable_mgcg(adev, true);
ring->ready = true;
r = amdgpu_ring_test_ring(ring);
@@ -212,7 +212,9 @@ static int uvd_v6_0_hw_fini(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->uvd.ring;
- uvd_v6_0_stop(adev);
+ if (RREG32(mmUVD_STATUS) != 0)
+ uvd_v6_0_stop(adev);
+
ring->ready = false;
return 0;
@@ -397,9 +399,6 @@ static int uvd_v6_0_start(struct amdgpu_device *adev)
lmi_swap_cntl = 0;
mp_swap_cntl = 0;
- amdgpu_asic_set_uvd_clocks(adev, 10000, 10000);
- uvd_v6_0_set_clockgating_state(adev, AMD_CG_STATE_UNGATE);
- uvd_v6_0_enable_mgcg(adev, true);
uvd_v6_0_mc_resume(adev);
/* disable interupt */
@@ -554,6 +553,8 @@ static void uvd_v6_0_stop(struct amdgpu_device *adev)
/* Unstall UMC and register bus */
WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
+
+ WREG32(mmUVD_STATUS, 0);
}
/**
@@ -1018,9 +1019,6 @@ static int uvd_v6_0_set_clockgating_state(void *handle,
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
- if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG))
- return 0;
-
if (enable) {
/* wait for STATUS to clear */
if (uvd_v6_0_wait_for_idle(handle))
@@ -1047,18 +1045,42 @@ static int uvd_v6_0_set_powergating_state(void *handle,
* the smc and the hw blocks
*/
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
- if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD))
- return 0;
+ int ret = 0;
WREG32(mmUVD_POWER_STATUS, UVD_POWER_STATUS__UVD_PG_EN_MASK);
if (state == AMD_PG_STATE_GATE) {
uvd_v6_0_stop(adev);
- return 0;
} else {
- return uvd_v6_0_start(adev);
+ ret = uvd_v6_0_start(adev);
+ if (ret)
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+static void uvd_v6_0_get_clockgating_state(void *handle, u32 *flags)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int data;
+
+ mutex_lock(&adev->pm.mutex);
+
+ if (RREG32_SMC(ixCURRENT_PG_STATUS) &
+ CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) {
+ DRM_INFO("Cannot get clockgating state when UVD is powergated.\n");
+ goto out;
}
+
+ /* 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;
+
+out:
+ mutex_unlock(&adev->pm.mutex);
}
static const struct amd_ip_funcs uvd_v6_0_ip_funcs = {
@@ -1079,6 +1101,7 @@ 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,
+ .get_clockgating_state = uvd_v6_0_get_clockgating_state,
};
static const struct amdgpu_ring_funcs uvd_v6_0_ring_phys_funcs = {