Re: [PATCH 1/5] drm/i915/kbl: Add Kabylake PCI ID

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On Tue, 2015-10-06 at 12:09 +0300, Jani Nikula wrote:
> On Tue, 06 Oct 2015, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> wrote:
> > From: Deepak S <deepak.s@xxxxxxxxx>
> > 
> > v2: separate out device info into different GT (Damien)
> > v3: Add is_kabylake to the KBL gt3 structuer (Damien)
> >     Sort the platforms in older -> newer order (Damien)
> > 
> > Reviewed-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
> > Signed-off-by: Deepak S <deepak.s@xxxxxxxxx>
> > Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
> > Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/i915_drv.c | 33 
> > ++++++++++++++++++++++++++++++++-
> >  drivers/gpu/drm/i915/i915_drv.h |  2 ++
> >  include/drm/i915_pciids.h       | 29 +++++++++++++++++++++++++++++
> >  3 files changed, 63 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_drv.c 
> > b/drivers/gpu/drm/i915/i915_drv.c
> > index 1cb6b82..f42102d 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.c
> > +++ b/drivers/gpu/drm/i915/i915_drv.c
> > @@ -394,6 +394,34 @@ static const struct intel_device_info 
> > intel_broxton_info = {
> >  	IVB_CURSOR_OFFSETS,
> >  };
> >  
> > +static const struct intel_device_info intel_kabylake_info = {
> > +	.is_preliminary = 1,
> > +	.is_skylake = 1,
> 
> Now's the time to call the shots, is this really a good idea or not? 
> See
> VLV vs. CHV, we (okay, the royal we) still confuse ourselves with
> IS_VALLEYVIEW.
> 
> Granted, 74 call sites for IS_SKYLAKE(), all of those would need to 
> be
> patched. We'd need something like "is skylake family" including SKL 
> and
> KBL. Some of them might be changed to be more like feature flags, 
> which
> is something we've decided we need to do more anyway.

To be honest I also don't like this approach as I didn't like the chv
is vlv one. I always get confused and I thought about changing
everything many times during last week, but as you pointed out it would
be a change in many entries and not sure what others opinion was since
I never saw any complain about this patch before neither the vlv-chv
ones... 

But if you and Daniel prefer I can do a
s/IS_SKYLAKE(dev)/IS_KABYLAKE(dev) || IS_SKYLAKE(dev)
Just let me know...

The IS_SKYLAKE_FAMILY I don't like much because it will still confuse
people because in ark they will probably be 2 different "families" if
they continue with the current scheme they are using so far.

> 
> BR,
> Jani.
> 
> 
> > +	.is_kabylake = 1,
> > +	.gen = 9, .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,
> > +	IVB_CURSOR_OFFSETS,
> > +};
> > +
> > +static const struct intel_device_info intel_kabylake_gt3_info = {
> > +	.is_preliminary = 1,
> > +	.is_skylake = 1,
> > +	.is_kabylake = 1,
> > +	.gen = 9, .num_pipes = 3,
> > +	.need_gfx_hws = 1, .has_hotplug = 1,
> > +	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | 
> > VEBOX_RING | BSD2_RING,
> > +	.has_llc = 1,
> > +	.has_ddi = 1,
> > +	.has_fbc = 1,
> > +	GEN_DEFAULT_PIPEOFFSETS,
> > +	IVB_CURSOR_OFFSETS,
> > +};
> > +
> >  /*
> >   * Make sure any device matches here are from most specific to 
> > most
> >   * general.  For example, since the Quanta match is based on the 
> > subsystem
> > @@ -434,7 +462,10 @@ static const struct intel_device_info 
> > intel_broxton_info = {
> >  	INTEL_SKL_GT1_IDS(&intel_skylake_info),	\
> >  	INTEL_SKL_GT2_IDS(&intel_skylake_info),	\
> >  	INTEL_SKL_GT3_IDS(&intel_skylake_gt3_info),	\
> > -	INTEL_BXT_IDS(&intel_broxton_info)
> > +	INTEL_BXT_IDS(&intel_broxton_info),		\
> > +	INTEL_KBL_GT1_IDS(&intel_kabylake_info),	\
> > +	INTEL_KBL_GT2_IDS(&intel_kabylake_info),	\
> > +	INTEL_KBL_GT3_IDS(&intel_kabylake_gt3_info)
> >  
> >  static const struct pci_device_id pciidlist[] = {		/
> > * aka */
> >  	INTEL_PCI_IDS,
> > diff --git a/drivers/gpu/drm/i915/i915_drv.h 
> > b/drivers/gpu/drm/i915/i915_drv.h
> > index 824e724..f7e9d7e 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.h
> > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > @@ -765,6 +765,7 @@ struct intel_csr {
> >  	func(is_valleyview) sep \
> >  	func(is_haswell) sep \
> >  	func(is_skylake) sep \
> > +	func(is_kabylake) sep \
> >  	func(is_preliminary) sep \
> >  	func(has_fbc) sep \
> >  	func(has_pipe_cxsr) sep \
> > @@ -2464,6 +2465,7 @@ struct drm_i915_cmd_table {
> >  #define IS_BROADWELL(dev)	(!INTEL_INFO(dev)->is_valleyview 
> > && IS_GEN8(dev))
> >  #define IS_SKYLAKE(dev)	(INTEL_INFO(dev)->is_skylake)
> >  #define IS_BROXTON(dev)	(!INTEL_INFO(dev)->is_skylake && 
> > IS_GEN9(dev))
> > +#define IS_KABYLAKE(dev)	(INTEL_INFO(dev)->is_kabylake)
> >  #define IS_MOBILE(dev)		(INTEL_INFO(dev)->is_mobile)
> >  #define IS_HSW_EARLY_SDV(dev)	(IS_HASWELL(dev) && \
> >  				 (INTEL_DEVID(dev) & 0xFF00) == 
> > 0x0C00)
> > diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
> > index 17c4456..2e7a159 100644
> > --- a/include/drm/i915_pciids.h
> > +++ b/include/drm/i915_pciids.h
> > @@ -291,4 +291,33 @@
> >  	INTEL_VGA_DEVICE(0x1A84, info), \
> >  	INTEL_VGA_DEVICE(0x5A84, info)
> >  
> > +#define INTEL_KBL_GT1_IDS(info)	\
> > +	INTEL_VGA_DEVICE(0x5913, info), /* ULT GT1.5 */ \
> > +	INTEL_VGA_DEVICE(0x5915, info), /* ULX GT1.5 */ \
> > +	INTEL_VGA_DEVICE(0x5917, info), /* DT  GT1.5 */ \
> > +	INTEL_VGA_DEVICE(0x5906, info), /* ULT GT1 */ \
> > +	INTEL_VGA_DEVICE(0x590E, info), /* ULX GT1 */ \
> > +	INTEL_VGA_DEVICE(0x5902, info), /* DT  GT1 */ \
> > +	INTEL_VGA_DEVICE(0x590B, info), /* Halo GT1 */ \
> > +	INTEL_VGA_DEVICE(0x590A, info) /* SRV GT1 */
> > +
> > +#define INTEL_KBL_GT2_IDS(info)	\
> > +	INTEL_VGA_DEVICE(0x5916, info), /* ULT GT2 */ \
> > +	INTEL_VGA_DEVICE(0x5921, info), /* ULT GT2F */ \
> > +	INTEL_VGA_DEVICE(0x591E, info), /* ULX GT2 */ \
> > +	INTEL_VGA_DEVICE(0x5912, info), /* DT  GT2 */ \
> > +	INTEL_VGA_DEVICE(0x591B, info), /* Halo GT2 */ \
> > +	INTEL_VGA_DEVICE(0x591A, info), /* SRV GT2 */ \
> > +	INTEL_VGA_DEVICE(0x591D, info) /* WKS GT2 */
> > +
> > +#define INTEL_KBL_GT3_IDS(info) \
> > +	INTEL_VGA_DEVICE(0x5926, info), /* ULT GT3 */ \
> > +	INTEL_VGA_DEVICE(0x592B, info), /* Halo GT3 */ \
> > +	INTEL_VGA_DEVICE(0x592A, info) /* SRV GT3 */
> > +
> > +#define INTEL_KBL_IDS(info) \
> > +	INTEL_KBL_GT1_IDS(info), \
> > +	INTEL_KBL_GT2_IDS(info), \
> > +	INTEL_KBL_GT3_IDS(info)
> > +
> >  #endif /* _I915_PCIIDS_H */
> > -- 
> > 2.4.3
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
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