Re: [PATCH V2 1/6] drm/i915: Split the BDW device definition to prepare for dual BSD rings on BDW GT3

[Daniel Vetter <daniel@ffwll.ch>]

On Mon, Apr 14, 2014 at 12:21:39PM +0800, Zhao Yakui wrote:
> V1->V2: Follow Daniel's comment to consider the stolen check for BDW in
> kernel/early-quirks.c

Small style nit: We usually put the patch changelog at the end of the
commit message. That way the core commit message is clearly separated from
the per-patch changelog. In rare cases there's some confusion otherwise.
No need to resend just for that.
-Daniel

> 
> Based on the hardware spec, the BDW GT3 has the different configuration
> with the BDW GT1/GT2. So split the BDW device info definition.
> This is to do the preparation for adding the Dual BSD rings on BDW GT3 machine.
> 
> Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.c |   26 ++++++++++++++++++++++++--
>  include/drm/i915_pciids.h       |   22 +++++++++++++++++-----
>  2 files changed, 41 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 5d8250f..17fbbe5 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -279,6 +279,26 @@ static const struct intel_device_info intel_broadwell_m_info = {
>  	GEN_DEFAULT_PIPEOFFSETS,
>  };
>  
> +static const struct intel_device_info intel_broadwell_gt3d_info = {
> +	.gen = 8, .num_pipes = 3,
> +	.need_gfx_hws = 1, .has_hotplug = 1,
> +	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
> +	.has_llc = 1,
> +	.has_ddi = 1,
> +	.has_fbc = 1,
> +	GEN_DEFAULT_PIPEOFFSETS,
> +};
> +
> +static const struct intel_device_info intel_broadwell_gt3m_info = {
> +	.gen = 8, .is_mobile = 1, .num_pipes = 3,
> +	.need_gfx_hws = 1, .has_hotplug = 1,
> +	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
> +	.has_llc = 1,
> +	.has_ddi = 1,
> +	.has_fbc = 1,
> +	GEN_DEFAULT_PIPEOFFSETS,
> +};
> +
>  /*
>   * Make sure any device matches here are from most specific to most
>   * general.  For example, since the Quanta match is based on the subsystem
> @@ -311,8 +331,10 @@ static const struct intel_device_info intel_broadwell_m_info = {
>  	INTEL_HSW_M_IDS(&intel_haswell_m_info), \
>  	INTEL_VLV_M_IDS(&intel_valleyview_m_info),	\
>  	INTEL_VLV_D_IDS(&intel_valleyview_d_info),	\
> -	INTEL_BDW_M_IDS(&intel_broadwell_m_info),	\
> -	INTEL_BDW_D_IDS(&intel_broadwell_d_info)
> +	INTEL_BDW_GT12M_IDS(&intel_broadwell_m_info),	\
> +	INTEL_BDW_GT12D_IDS(&intel_broadwell_d_info),	\
> +	INTEL_BDW_GT3M_IDS(&intel_broadwell_gt3m_info),	\
> +	INTEL_BDW_GT3D_IDS(&intel_broadwell_gt3d_info)
>  
>  static const struct pci_device_id pciidlist[] = {		/* aka */
>  	INTEL_PCI_IDS,
> diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
> index 940ece4..24f3cad 100644
> --- a/include/drm/i915_pciids.h
> +++ b/include/drm/i915_pciids.h
> @@ -223,14 +223,26 @@
>  	_INTEL_BDW_D(gt, 0x160A, info), /* Server */ \
>  	_INTEL_BDW_D(gt, 0x160D, info) /* Workstation */
>  
> -#define INTEL_BDW_M_IDS(info) \
> +#define INTEL_BDW_GT12M_IDS(info) \
>  	_INTEL_BDW_M_IDS(1, info), \
> -	_INTEL_BDW_M_IDS(2, info), \
> -	_INTEL_BDW_M_IDS(3, info)
> +	_INTEL_BDW_M_IDS(2, info)
>  
> -#define INTEL_BDW_D_IDS(info) \
> +#define INTEL_BDW_GT12D_IDS(info) \
>  	_INTEL_BDW_D_IDS(1, info), \
> -	_INTEL_BDW_D_IDS(2, info), \
> +	_INTEL_BDW_D_IDS(2, info)
> +
> +#define INTEL_BDW_GT3M_IDS(info) \
> +	_INTEL_BDW_M_IDS(3, info)
> +
> +#define INTEL_BDW_GT3D_IDS(info) \
>  	_INTEL_BDW_D_IDS(3, info)
>  
> +#define INTEL_BDW_M_IDS(info) \
> +	INTEL_BDW_GT12M_IDS(info), \
> +	INTEL_BDW_GT3M_IDS(info)
> +
> +#define INTEL_BDW_D_IDS(info) \
> +	INTEL_BDW_GT12D_IDS(info), \
> +	INTEL_BDW_GT3D_IDS(info)
> +
>  #endif /* _I915_PCIIDS_H */
> -- 
> 1.7.10.1
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch