Re: [PATCH v2 03/21] drm/i915: Move HAS_RUNTIME_PM definition to platform

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Thu, Jul 28, 2016 at 12:12:18PM -0700, Carlos Santa wrote:
> Moving all GPU features to the platform struct definition allows for
> 	- standard place when adding new features from new platforms
> 	- possible to see supported features when dumping struct
> 	  definitions
> 
> Signed-off-by: Carlos Santa <carlos.santa@intel.com>
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.h | 6 ++----
>  drivers/gpu/drm/i915/i915_pci.c | 7 ++++++-
>  2 files changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 6a96c60..69c0196 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -773,6 +773,7 @@ struct intel_csr {
>  	func(is_preliminary) sep \
>  	func(has_fbc) sep \
>  	func(has_psr) sep \
> +	func(has_runtime_pm) sep \
>  	func(has_pipe_cxsr) sep \
>  	func(has_hotplug) sep \
>  	func(cursor_needs_physical) sep \
> @@ -2736,10 +2737,7 @@ struct drm_i915_cmd_table {
>  #define HAS_DDI(dev)		(INTEL_INFO(dev)->has_ddi)
>  #define HAS_FPGA_DBG_UNCLAIMED(dev)	(INTEL_INFO(dev)->has_fpga_dbg)
>  #define HAS_PSR(dev)		(INTEL_INFO(dev)->has_psr)
> -#define HAS_RUNTIME_PM(dev)	(IS_GEN6(dev) || IS_HASWELL(dev) || \
> -				 IS_BROADWELL(dev) || IS_VALLEYVIEW(dev) || \
> -				 IS_CHERRYVIEW(dev) || IS_SKYLAKE(dev) || \
> -				 IS_KABYLAKE(dev) || IS_BROXTON(dev))
> +#define HAS_RUNTIME_PM(dev)	(INTEL_INFO(dev)->has_runtime_pm)
>  #define HAS_RC6(dev)		(INTEL_INFO(dev)->gen >= 6)
>  #define HAS_RC6p(dev)		(IS_GEN6(dev) || IS_IVYBRIDGE(dev))
>  
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index 8b1311d..92ab3c2 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -198,6 +198,7 @@ static const struct intel_device_info intel_ironlake_m_info = {
>  	.gen = 6, .num_pipes = 2, \
>  	.need_gfx_hws = 1, .has_hotplug = 1, \
>  	.has_fbc = 1, \
> +	.has_runtime_pm = 1, \

We should just nuke runtime PM support for SNB. It doesn't buy us
anything power wise, and it just breaks hotplug support.

>  	.ring_mask = RENDER_RING | BSD_RING | BLT_RING, \
>  	.has_llc = 1, \
>  	GEN_DEFAULT_PIPEOFFSETS, \
> @@ -241,6 +242,7 @@ static const struct intel_device_info intel_ivybridge_q_info = {
>  #define VLV_FEATURES  \
>  	.gen = 7, .num_pipes = 2, \
>  	.has_psr = 1, \
> +	.has_runtime_pm = 1, \
>  	.need_gfx_hws = 1, .has_hotplug = 1, \
>  	.ring_mask = RENDER_RING | BSD_RING | BLT_RING, \
>  	.display_mmio_offset = VLV_DISPLAY_BASE, \
> @@ -263,7 +265,8 @@ static const struct intel_device_info intel_valleyview_d_info = {
>  	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, \
>  	.has_ddi = 1, \
>  	.has_fpga_dbg = 1, \
> -	.has_psr = 1
> +	.has_psr = 1, \
> +	.has_runtime_pm = 1
>  
>  static const struct intel_device_info intel_haswell_d_info = {
>  	HSW_FEATURES,
> @@ -312,6 +315,7 @@ static const struct intel_device_info intel_cherryview_info = {
>  	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
>  	.is_cherryview = 1,
>  	.has_psr = 1,
> +	.has_runtime_pm = 1,
>  	.display_mmio_offset = VLV_DISPLAY_BASE,
>  	GEN_CHV_PIPEOFFSETS,
>  	CURSOR_OFFSETS,
> @@ -340,6 +344,7 @@ static const struct intel_device_info intel_broxton_info = {
>  	.has_ddi = 1,
>  	.has_fpga_dbg = 1,
>  	.has_fbc = 1,
> +	.has_runtime_pm = 1,
>  	.has_pooled_eu = 0,
>  	GEN_DEFAULT_PIPEOFFSETS,
>  	IVB_CURSOR_OFFSETS,
> -- 
> 1.9.1
> 
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-- 
Ville Syrjälä
Intel OTC
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