Re: [PATCH] drm/radeon/uvd: lower msg&fb buffer requirements on UVD3

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On Mon, Sep 23, 2013 at 3:42 AM, Christian König
<deathsimple@xxxxxxxxxxx> wrote:
> From: Christian König <christian.koenig@xxxxxxx>
>
> Starting with UVD3 message and feedback buffers have their
> own 256MB segment, so no need to force them into VRAM any more.
>
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/radeon/radeon_cs.c  | 3 ++-
>  drivers/gpu/drm/radeon/radeon_uvd.c | 3 +--
>  drivers/gpu/drm/radeon/uvd_v1_0.c   | 4 ++--
>  3 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
> index ac6ece6..1806f4d 100644
> --- a/drivers/gpu/drm/radeon/radeon_cs.c
> +++ b/drivers/gpu/drm/radeon/radeon_cs.c
> @@ -85,8 +85,9 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
>                    VRAM, also but everything into VRAM on AGP cards to avoid
>                    image corruptions */
>                 if (p->ring == R600_RING_TYPE_UVD_INDEX &&
> +                   p->rdev->family < CHIP_PALM &&
>                     (i == 0 || p->rdev->flags & RADEON_IS_AGP)) {
> -                       /* TODO: is this still needed for NI+ ? */
> +
>                         p->relocs[i].lobj.domain =
>                                 RADEON_GEM_DOMAIN_VRAM;
>
> diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
> index 1a01bbf..a0f1185 100644
> --- a/drivers/gpu/drm/radeon/radeon_uvd.c
> +++ b/drivers/gpu/drm/radeon/radeon_uvd.c
> @@ -476,8 +476,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
>                 return -EINVAL;
>         }
>
> -       /* TODO: is this still necessary on NI+ ? */
> -       if ((cmd == 0 || cmd == 0x3) &&
> +       if (p->rdev->family < CHIP_PALM && (cmd == 0 || cmd == 0x3) &&
>             (start >> 28) != (p->rdev->uvd.gpu_addr >> 28)) {
>                 DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
>                           start, end);
> diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c
> index 7266805..3100fa9 100644
> --- a/drivers/gpu/drm/radeon/uvd_v1_0.c
> +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c
> @@ -212,8 +212,8 @@ int uvd_v1_0_start(struct radeon_device *rdev)
>         /* enable VCPU clock */
>         WREG32(UVD_VCPU_CNTL,  1 << 9);
>
> -       /* enable UMC */
> -       WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8));
> +       /* enable UMC and NC0 */
> +       WREG32_P(UVD_LMI_CTRL2, 1 << 13, ~((1 << 8) | (1 << 13)));
>
>         /* boot up the VCPU */
>         WREG32(UVD_SOFT_RESET, 0);
> --
> 1.8.1.2
>
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