Re: [PATCH] drm/radeon: allow PACKET3_PFP_SYNC_ME on evergreen

[Christian König <deathsimple@xxxxxxxxxxx>]

Am 31.05.2016 um 01:11 schrieb Edmondo Tommasina:
> Signed-off-by: Edmondo Tommasina <edmondo.tommasina@xxxxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

> ---
>   drivers/gpu/drm/radeon/evergreen_cs.c | 7 +++++++
>   drivers/gpu/drm/radeon/evergreend.h   | 1 +
>   drivers/gpu/drm/radeon/radeon_drv.c   | 3 ++-
>   3 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
> index 0d3f744..d960d39 100644
> --- a/drivers/gpu/drm/radeon/evergreen_cs.c
> +++ b/drivers/gpu/drm/radeon/evergreen_cs.c
> @@ -2209,6 +2209,12 @@ static int evergreen_packet3_check(struct radeon_cs_parser *p,
>   		}
>   		break;
>   	}
> +	case PACKET3_PFP_SYNC_ME:
> +		if (pkt->count) {
> +			DRM_ERROR("bad PFP_SYNC_ME\n");
> +			return -EINVAL;
> +		}
> +		break;
>   	case PACKET3_SURFACE_SYNC:
>   		if (pkt->count != 3) {
>   			DRM_ERROR("bad SURFACE_SYNC\n");
> @@ -3381,6 +3387,7 @@ static int evergreen_vm_packet3_check(struct radeon_device *rdev,
>   	case PACKET3_MPEG_INDEX:
>   	case PACKET3_WAIT_REG_MEM:
>   	case PACKET3_MEM_WRITE:
> +	case PACKET3_PFP_SYNC_ME:
>   	case PACKET3_SURFACE_SYNC:
>   	case PACKET3_EVENT_WRITE:
>   	case PACKET3_EVENT_WRITE_EOP:
> diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
> index 0b174e1..c8e3d39 100644
> --- a/drivers/gpu/drm/radeon/evergreend.h
> +++ b/drivers/gpu/drm/radeon/evergreend.h
> @@ -1624,6 +1624,7 @@
>   		 */
>   #              define PACKET3_CP_DMA_CMD_SAIC      (1 << 28)
>   #              define PACKET3_CP_DMA_CMD_DAIC      (1 << 29)
> +#define	PACKET3_PFP_SYNC_ME				0x42
>   #define	PACKET3_SURFACE_SYNC				0x43
>   #              define PACKET3_CB0_DEST_BASE_ENA    (1 << 6)
>   #              define PACKET3_CB1_DEST_BASE_ENA    (1 << 7)
> diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
> index b55aa74..36242a9 100644
> --- a/drivers/gpu/drm/radeon/radeon_drv.c
> +++ b/drivers/gpu/drm/radeon/radeon_drv.c
> @@ -95,9 +95,10 @@
>    *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
>    *   2.44.0 - SET_APPEND_CNT packet3 support
>    *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
> + *   2.46.0 - Add PFP_SYNC_ME support on evergreen
>    */
>   #define KMS_DRIVER_MAJOR	2
> -#define KMS_DRIVER_MINOR	45
> +#define KMS_DRIVER_MINOR	46
>   #define KMS_DRIVER_PATCHLEVEL	0
>   int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
>   int radeon_driver_unload_kms(struct drm_device *dev);

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