From: Christian König <[email protected]>

This fixes turning power and clock on when it is actually needed.

Signed-off-by: Christian König <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 15 +++++++--------
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h |  2 ++
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c   |  2 ++
 drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c   |  2 ++
 drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c   |  4 ++++
 5 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index a46a64c..2a70c42 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -92,7 +92,6 @@ MODULE_FIRMWARE(FIRMWARE_STONEY);
 MODULE_FIRMWARE(FIRMWARE_POLARIS10);
 MODULE_FIRMWARE(FIRMWARE_POLARIS11);
 
-static void amdgpu_uvd_note_usage(struct amdgpu_device *adev);
 static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
 
 int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
@@ -346,8 +345,6 @@ void amdgpu_uvd_free_handles(struct amdgpu_device *adev, 
struct drm_file *filp)
                if (handle != 0 && adev->uvd.filp[i] == filp) {
                        struct fence *fence;
 
-                       amdgpu_uvd_note_usage(adev);
-
                        r = amdgpu_uvd_get_destroy_msg(ring, handle,
                                                       false, &fence);
                        if (r) {
@@ -913,8 +910,6 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser 
*parser, uint32_t ib_idx)
                return -EINVAL;
        }
 
-       amdgpu_uvd_note_usage(ctx.parser->adev);
-
        return 0;
 }
 
@@ -1118,11 +1113,10 @@ static void amdgpu_uvd_idle_work_handler(struct 
work_struct *work)
        }
 }
 
-static void amdgpu_uvd_note_usage(struct amdgpu_device *adev)
+void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
 {
+       struct amdgpu_device *adev = ring->adev;
        bool set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
-       set_clocks &= schedule_delayed_work(&adev->uvd.idle_work,
-                                           UVD_IDLE_TIMEOUT);
 
        if (set_clocks) {
                if (adev->pm.dpm_enabled) {
@@ -1132,3 +1126,8 @@ static void amdgpu_uvd_note_usage(struct amdgpu_device 
*adev)
                }
        }
 }
+
+void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
+{
+       schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
index 9a3b449..5bad371 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
@@ -35,5 +35,7 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, 
uint32_t handle,
 void amdgpu_uvd_free_handles(struct amdgpu_device *adev,
                             struct drm_file *filp);
 int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx);
+void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring);
+void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring);
 
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c 
b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index 416c856..862d6cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -797,6 +797,8 @@ static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = 
{
        .test_ib = uvd_v4_2_ring_test_ib,
        .insert_nop = amdgpu_ring_insert_nop,
        .pad_ib = amdgpu_ring_generic_pad_ib,
+       .begin_use = amdgpu_uvd_ring_begin_use,
+       .end_use = amdgpu_uvd_ring_end_use,
 };
 
 static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c 
b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
index dd636c4..f585247 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -848,6 +848,8 @@ static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = 
{
        .test_ib = uvd_v5_0_ring_test_ib,
        .insert_nop = amdgpu_ring_insert_nop,
        .pad_ib = amdgpu_ring_generic_pad_ib,
+       .begin_use = amdgpu_uvd_ring_begin_use,
+       .end_use = amdgpu_uvd_ring_end_use,
 };
 
 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c 
b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index f757c04..8c03132 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -1084,6 +1084,8 @@ static const struct amdgpu_ring_funcs 
uvd_v6_0_ring_phys_funcs = {
        .test_ib = uvd_v6_0_ring_test_ib,
        .insert_nop = amdgpu_ring_insert_nop,
        .pad_ib = amdgpu_ring_generic_pad_ib,
+       .begin_use = amdgpu_uvd_ring_begin_use,
+       .end_use = amdgpu_uvd_ring_end_use,
 };
 
 static const struct amdgpu_ring_funcs uvd_v6_0_ring_vm_funcs = {
@@ -1101,6 +1103,8 @@ static const struct amdgpu_ring_funcs 
uvd_v6_0_ring_vm_funcs = {
        .test_ib = uvd_v6_0_ring_test_ib,
        .insert_nop = amdgpu_ring_insert_nop,
        .pad_ib = amdgpu_ring_generic_pad_ib,
+       .begin_use = amdgpu_uvd_ring_begin_use,
+       .end_use = amdgpu_uvd_ring_end_use,
 };
 
 static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev)
-- 
2.5.0

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