[PATCH] drm/radeon: 760G/780V/880V don't have UVD

[Christian König]

Am 26.08.2014 um 19:12 schrieb Alex Deucher:
> Don't enable UVD on these asics as they don't have
> UVD hardware.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/radeon/r600.c        | 57 +++++++++++++++++++++---------------
>   drivers/gpu/drm/radeon/radeon_asic.c | 10 ++++++-
>   2 files changed, 42 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
> index e79d3f8..afbdd08 100644
> --- a/drivers/gpu/drm/radeon/r600.c
> +++ b/drivers/gpu/drm/radeon/r600.c
> @@ -2991,15 +2991,16 @@ static int r600_startup(struct radeon_device *rdev)
>   		return r;
>   	}
>   
> -	r = uvd_v1_0_resume(rdev);
> -	if (!r) {
> -		r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
> -		if (r) {
> -			dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
> +	if (rdev->has_uvd) {
> +		r = uvd_v1_0_resume(rdev);
> +		if (!r) {
> +			r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
> +			if (r) {
> +				dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
> +			}
>   		}
> -	}
> -	if (r) {
> -		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
> +		if (r)
> +			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
>   	}
>   
>   	/* Enable IRQ */
> @@ -3030,14 +3031,16 @@ static int r600_startup(struct radeon_device *rdev)
>   	if (r)
>   		return r;
>   
> -	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
> -	if (ring->ring_size) {
> -		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
> -				     RADEON_CP_PACKET2);
> -		if (!r)
> -			r = uvd_v1_0_init(rdev);
> -		if (r)
> -			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
> +	if (rdev->has_uvd) {
> +		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
> +		if (ring->ring_size) {
> +			r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
> +					     RADEON_CP_PACKET2);
> +			if (!r)
> +				r = uvd_v1_0_init(rdev);
> +			if (r)
> +				DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
> +		}
>   	}
>   
>   	r = radeon_ib_pool_init(rdev);
> @@ -3099,8 +3102,10 @@ int r600_suspend(struct radeon_device *rdev)
>   	radeon_pm_suspend(rdev);
>   	r600_audio_fini(rdev);
>   	r600_cp_stop(rdev);
> -	uvd_v1_0_fini(rdev);
> -	radeon_uvd_suspend(rdev);
> +	if (rdev->has_uvd) {
> +		uvd_v1_0_fini(rdev);
> +		radeon_uvd_suspend(rdev);
> +	}
>   	r600_irq_suspend(rdev);
>   	radeon_wb_disable(rdev);
>   	r600_pcie_gart_disable(rdev);
> @@ -3180,10 +3185,12 @@ int r600_init(struct radeon_device *rdev)
>   	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
>   	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
>   
> -	r = radeon_uvd_init(rdev);
> -	if (!r) {
> -		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
> -		r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
> +	if (rdev->has_uvd) {
> +		r = radeon_uvd_init(rdev);
> +		if (!r) {
> +			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
> +			r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
> +		}
>   	}
>   
>   	rdev->ih.ring_obj = NULL;
> @@ -3215,8 +3222,10 @@ void r600_fini(struct radeon_device *rdev)
>   	r600_audio_fini(rdev);
>   	r600_cp_fini(rdev);
>   	r600_irq_fini(rdev);
> -	uvd_v1_0_fini(rdev);
> -	radeon_uvd_fini(rdev);
> +	if (rdev->has_uvd) {
> +		uvd_v1_0_fini(rdev);
> +		radeon_uvd_fini(rdev);
> +	}
>   	radeon_wb_fini(rdev);
>   	radeon_ib_pool_fini(rdev);
>   	radeon_irq_kms_fini(rdev);
> diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
> index 9e6699a..d91f965 100644
> --- a/drivers/gpu/drm/radeon/radeon_asic.c
> +++ b/drivers/gpu/drm/radeon/radeon_asic.c
> @@ -2313,7 +2313,15 @@ int radeon_asic_init(struct radeon_device *rdev)
>   	case CHIP_RS780:
>   	case CHIP_RS880:
>   		rdev->asic = &rs780_asic;
> -		rdev->has_uvd = true;
> +		/* 760G/780V/880V don't have UVD */
> +		if ((rdev->pdev->device == 0x9616)||
> +		    (rdev->pdev->device == 0x9611)||
> +		    (rdev->pdev->device == 0x9613)||
> +		    (rdev->pdev->device == 0x9711)||
> +		    (rdev->pdev->device == 0x9713))
> +			rdev->has_uvd = false;
> +		else
> +			rdev->has_uvd = true;
>   		break;
>   	case CHIP_RV770:
>   	case CHIP_RV730: