Re: [PATCH 11/12] drm/i915: Drop has_psr_hw_tracking from device info

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On Wed, May 04, 2022 at 12:07:55PM -0700, José Roberto de Souza wrote:
> No need to have this parameter in intel_device_info struct
> as this feature was only supported by display 9, display 11, tigerlake

The code below is correct, but the description here misses display
version 10 (i.e., GLK).

> and DG1, no newer platform will have this feature.
> 
> Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/i915_drv.h          | 6 ++++--
>  drivers/gpu/drm/i915/i915_pci.c          | 5 -----
>  drivers/gpu/drm/i915/intel_device_info.h | 1 -
>  3 files changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index d8fa1d09cc828..d866287c663a2 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1304,8 +1304,10 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>  #define HAS_DP_MST(dev_priv)		 (HAS_DDI(dev_priv))
>  #define HAS_FPGA_DBG_UNCLAIMED(dev_priv) (INTEL_INFO(dev_priv)->display.has_fpga_dbg)
>  #define HAS_PSR(dev_priv)		 (DISPLAY_VER(dev_priv) >= 9)
> -#define HAS_PSR_HW_TRACKING(dev_priv) \
> -	(INTEL_INFO(dev_priv)->display.has_psr_hw_tracking)
> +#define HAS_PSR_HW_TRACKING(dev_priv)	 ((DISPLAY_VER(dev_priv) >= 9 && \
> +					   DISPLAY_VER(dev_priv) <= 11) || \

As noted before, we can simplify the range with IS_DISPLAY_VER.

Aside from the commit message tweak and the simplification here,

Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>

> +					  IS_TIGERLAKE(dev_priv) || \
> +					  IS_DG1(dev_priv))
>  #define HAS_PSR2_SEL_FETCH(dev_priv)	 (DISPLAY_VER(dev_priv) >= 12)
>  #define HAS_TRANSCODER(dev_priv, trans)	 ((INTEL_INFO(dev_priv)->display.cpu_transcoder_mask & BIT(trans)) != 0)
>  
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index 098d47cc47b44..c6e99305e24d0 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -631,7 +631,6 @@ static const struct intel_device_info chv_info = {
>  	GEN9_DEFAULT_PAGE_SIZES, \
>  	.display.has_dmc = 1, \
>  	.display.has_hdcp = 1, \
> -	.display.has_psr_hw_tracking = 1, \
>  	.dbuf.size = 896 - 4, /* 4 blocks for bypass path allocation */ \
>  	.dbuf.slice_mask = BIT(DBUF_S1)
>  
> @@ -679,7 +678,6 @@ static const struct intel_device_info skl_gt4_info = {
>  	.display.has_fpga_dbg = 1, \
>  	.display.fbc_mask = BIT(INTEL_FBC_A), \
>  	.display.has_hdcp = 1, \
> -	.display.has_psr_hw_tracking = 1, \
>  	.has_runtime_pm = 1, \
>  	.display.has_dmc = 1, \
>  	.has_rps = true, \
> @@ -865,7 +863,6 @@ static const struct intel_device_info rkl_info = {
>  	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
>  		BIT(TRANSCODER_C),
>  	.display.has_hti = 1,
> -	.display.has_psr_hw_tracking = 0,
>  	.platform_engine_mask =
>  		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0),
>  };
> @@ -897,7 +894,6 @@ static const struct intel_device_info adl_s_info = {
>  	PLATFORM(INTEL_ALDERLAKE_S),
>  	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
>  	.display.has_hti = 1,
> -	.display.has_psr_hw_tracking = 0,
>  	.platform_engine_mask =
>  		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
>  	.dma_mask_size = 39,
> @@ -955,7 +951,6 @@ static const struct intel_device_info adl_p_info = {
>  			       BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1),
>  	.display.has_cdclk_crawl = 1,
>  	.display.has_modular_fia = 1,
> -	.display.has_psr_hw_tracking = 0,
>  	.platform_engine_mask =
>  		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
>  	.ppgtt_size = 48,
> diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
> index 5c17257f3f44b..bea9f92e2264c 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.h
> +++ b/drivers/gpu/drm/i915/intel_device_info.h
> @@ -174,7 +174,6 @@ enum intel_ppgtt_type {
>  	func(has_hti); \
>  	func(has_modular_fia); \
>  	func(has_overlay); \
> -	func(has_psr_hw_tracking); \
>  	func(overlay_needs_physical); \
>  	func(supports_tv);
>  
> -- 
> 2.36.0
> 

-- 
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795



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