Re: [PATCH 1/8][RESEND] vmwgfx: Use the revised fifo hw version register when present

[Thomas Hellstrom <thellstrom@xxxxxxxxxx>]

Dave,

Please pull this series into drm-fixes for 3.2!

Thanks,
Thomas



On 11/28/2011 01:19 PM, Thomas Hellstrom wrote:
> The driver implements the needed resource management required
> to use that register.
>
> Signed-off-by: Thomas Hellstrom<thellstrom@xxxxxxxxxx>
> Reviewed-by: Jakob Bornecrantz<jakob@xxxxxxxxxx>
> ---
>   drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c  |    8 +++++++-
>   drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c |    8 +++++++-
>   2 files changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
> index 03bbc2a..a0c2f12 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
> @@ -33,6 +33,7 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
>   {
>   	__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
>   	uint32_t fifo_min, hwversion;
> +	const struct vmw_fifo_state *fifo =&dev_priv->fifo;
>
>   	if (!(dev_priv->capabilities&  SVGA_CAP_EXTENDED_FIFO))
>   		return false;
> @@ -41,7 +42,12 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
>   	if (fifo_min<= SVGA_FIFO_3D_HWVERSION * sizeof(unsigned int))
>   		return false;
>
> -	hwversion = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
> +	hwversion = ioread32(fifo_mem +
> +			     ((fifo->capabilities&
> +			       SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
> +			      SVGA_FIFO_3D_HWVERSION_REVISED :
> +			      SVGA_FIFO_3D_HWVERSION));
> +
>   	if (hwversion == 0)
>   		return false;
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
> index 3f63435..a9e2193 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
> @@ -58,8 +58,14 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
>   	case DRM_VMW_PARAM_FIFO_HW_VERSION:
>   	{
>   		__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
> -
> -		param->value = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
> +		const struct vmw_fifo_state *fifo =&dev_priv->fifo;
> +
> +		param->value =
> +			ioread32(fifo_mem +
> +				 ((fifo->capabilities&
> +				   SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
> +				  SVGA_FIFO_3D_HWVERSION_REVISED :
> +				  SVGA_FIFO_3D_HWVERSION));
>   		break;
>   	}
>   	default:
>    

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