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drm/amdgpu/jpeg: configure doorbell for each playback

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Doorbell is configured during start of each playback.

v1 - add comment for the doorbell programming change

Signed-off-by: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Saleemkhan Jamadar 2023-11-28 17:02:06 +05:30 committed by Alex Deucher
parent b96ab339ee
commit 19544aa5f5
1 changed files with 8 additions and 7 deletions
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15
drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_5.c
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@ -155,13 +155,6 @@ static int jpeg_v4_0_5_hw_init(void *handle)
struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;
int r;
adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,
ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
VCN_JPEG_DB_CTRL__EN_MASK);
r = amdgpu_ring_test_helper(ring);
if (r)
return r;
@ -336,6 +329,14 @@ static int jpeg_v4_0_5_start(struct amdgpu_device *adev)
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_jpeg(adev, true);
/* doorbell programming is done for every playback */
adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,
ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
VCN_JPEG_DB_CTRL__EN_MASK);
/* disable power gating */
r = jpeg_v4_0_5_disable_static_power_gating(adev);
if (r)