[Beignet] [PATCH] Add support for Bay Trail-T device.

[Zhigang Gong]

I just pushed this patch with slight change. As the baytrail-t has 4 EUs not
2, I chagne the max compute unit to 32 and max work group size to 256.

On Thu, Apr 10, 2014 at 04:25:12PM +0800, Chuanbo Weng wrote:
> Signed-off-by: Chuanbo Weng <chuanbo.weng at intel.com>
> ---
>  src/cl_device_data.h |  8 +++++++-
>  src/cl_device_id.c   | 26 +++++++++++++++++++++++++-
>  2 files changed, 32 insertions(+), 2 deletions(-)
> 
> diff --git a/src/cl_device_data.h b/src/cl_device_data.h
> index 9c18406..55327ec 100644
> --- a/src/cl_device_data.h
> +++ b/src/cl_device_data.h
> @@ -68,6 +68,8 @@
>  #define PCI_CHIP_IVYBRIDGE_M_GT2        0x0166
>  #define PCI_CHIP_IVYBRIDGE_S_GT1        0x015a  /* Server */
>  
> +#define PCI_CHIP_BAYTRAIL_T 0x0F31
> +
>  #define IS_IVB_GT1(devid)               \
>    (devid == PCI_CHIP_IVYBRIDGE_GT1 ||   \
>     devid == PCI_CHIP_IVYBRIDGE_M_GT1 || \
> @@ -77,7 +79,10 @@
>    (devid == PCI_CHIP_IVYBRIDGE_GT2 ||   \
>     devid == PCI_CHIP_IVYBRIDGE_M_GT2)
>  
> -#define IS_IVYBRIDGE(devid) (IS_IVB_GT1(devid) || IS_IVB_GT2(devid))
> +#define IS_BAYTRAIL_T(devid)              \
> +  (devid == PCI_CHIP_BAYTRAIL_T)
> +
> +#define IS_IVYBRIDGE(devid) (IS_IVB_GT1(devid) || IS_IVB_GT2(devid) || IS_BAYTRAIL_T(devid))
>  #define IS_GEN7(devid)      IS_IVYBRIDGE(devid)
>  
>  
> @@ -121,6 +126,7 @@
>  #define PCI_CHIP_HASWELL_CRW_M2      0x0D16 /* CRW GT2 mobile */
>  #define PCI_CHIP_HASWELL_CRW_M3      0x0D26 /* CRW GT3 mobile */
>  
> +
>  #define IS_HASWELL(devid) (  \
>  	(devid) == PCI_CHIP_HASWELL_D1 || (devid) == PCI_CHIP_HASWELL_D2 || \
>  	(devid) == PCI_CHIP_HASWELL_D3 || (devid) == PCI_CHIP_HASWELL_S1 || \
> diff --git a/src/cl_device_id.c b/src/cl_device_id.c
> index 0426738..2a3124b 100644
> --- a/src/cl_device_id.c
> +++ b/src/cl_device_id.c
> @@ -57,6 +57,17 @@ static struct _cl_device_id intel_ivb_gt1_device = {
>  #include "cl_gen7_device.h"
>  };
>  
> +static struct _cl_device_id intel_baytrail_t_device = {
> +  INIT_ICD(dispatch)
> +  .max_compute_unit = 16,
> +  .max_thread_per_unit = 8,
> +  .max_work_item_sizes = {512, 512, 512},
> +  .max_work_group_size = 128,
> +  .max_clock_frequency = 1000,
> +  .wg_sz = 128,
> +#include "cl_gen7_device.h"
> +};
> +
>  /* XXX we clone IVB for HSW now */
>  static struct _cl_device_id intel_hsw_device = {
>    INIT_ICD(dispatch)
> @@ -182,6 +193,14 @@ ivb_gt2_break:
>        intel_ivb_gt2_device.platform = intel_platform;
>        ret = &intel_ivb_gt2_device;
>        break;
> +
> +    case PCI_CHIP_BAYTRAIL_T:
> +      DECL_INFO_STRING(baytrail_t_device_break, intel_baytrail_t_device, name, "Intel(R) HD Graphics Bay Trail-T");
> +baytrail_t_device_break:
> +      intel_baytrail_t_device.vendor_id = device_id;
> +      intel_baytrail_t_device.platform = intel_platform;
> +      ret = &intel_baytrail_t_device;
> +      break;
>      default:
>        printf("cl_get_gt_device(): error, unknown device\n");
>        exit(1);
> @@ -252,6 +271,7 @@ cl_get_device_info(cl_device_id     device,
>  {
>    if (UNLIKELY(device != &intel_ivb_gt1_device &&
>                 device != &intel_ivb_gt2_device &&
> +               device != &intel_baytrail_t_device &&
>                 device != &intel_hsw_device))
>      return CL_INVALID_DEVICE;
>  
> @@ -338,11 +358,14 @@ cl_device_get_version(cl_device_id device, cl_int *ver)
>  {
>    if (UNLIKELY(device != &intel_ivb_gt1_device &&
>                 device != &intel_ivb_gt2_device &&
> +               device != &intel_baytrail_t_device &&
>                 device != &intel_hsw_device))
>      return CL_INVALID_DEVICE;
>    if (ver == NULL)
>      return CL_SUCCESS;
> -  if (device == &intel_ivb_gt1_device || device == &intel_ivb_gt2_device)
> +  if (device == &intel_ivb_gt1_device || 
> +      device == &intel_ivb_gt2_device ||
> +      device == &intel_baytrail_t_device)
>      *ver = 7;
>    else
>      *ver = 75;
> @@ -374,6 +397,7 @@ cl_get_kernel_workgroup_info(cl_kernel kernel,
>  {
>    int err = CL_SUCCESS;
>    if (UNLIKELY(device != &intel_ivb_gt1_device &&
> +               device != &intel_baytrail_t_device &&
>                 device != &intel_ivb_gt2_device))
>      return CL_INVALID_DEVICE;
>  
> -- 
> 1.8.3.2
> 
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