Re: [Intel-gfx] [PATCH CI 1/7] drm/i915: Drop has_gt_uc from device info

[Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>]

On 05/05/2022 20:35, José Roberto de Souza wrote:
> No need to have this parameter in intel_device_info struct
> as all platforms with graphics version 9 or newer has graphics
> microcontroller.
> 
> As a side effect of the of removal this flag, it will not be printed
> in dmesg during driver load anymore and developers will have to rely
> on to check the macro and compare with platform being used and IP
> versions of it.

We have decided to revert this series for now until consensus on the 
direction and potentially individual conversions can be reached.

I've sent the revert patches and will merge them once they pass CI.

Regards,

Tvrtko

> Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
> Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
> ---
>   drivers/gpu/drm/i915/i915_drv.h          | 2 +-
>   drivers/gpu/drm/i915/i915_gpu_error.c    | 2 +-
>   drivers/gpu/drm/i915/i915_pci.c          | 3 ---
>   drivers/gpu/drm/i915/intel_device_info.h | 1 -
>   4 files changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 2dddc27a1b0ed..af3967149b2d2 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1355,7 +1355,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>    */
>   #define HAS_FLAT_CCS(dev_priv)   (INTEL_INFO(dev_priv)->has_flat_ccs)
>   
> -#define HAS_GT_UC(dev_priv)	(INTEL_INFO(dev_priv)->has_gt_uc)
> +#define HAS_GT_UC(dev_priv)	(GRAPHICS_VER(dev_priv) >= 9)
>   
>   #define HAS_POOLED_EU(dev_priv)	(INTEL_INFO(dev_priv)->has_pooled_eu)
>   
> diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
> index 0512c66fa4f3f..5bd9cb8998527 100644
> --- a/drivers/gpu/drm/i915/i915_gpu_error.c
> +++ b/drivers/gpu/drm/i915/i915_gpu_error.c
> @@ -2008,7 +2008,7 @@ __i915_gpu_coredump(struct intel_gt *gt, intel_engine_mask_t engine_mask, u32 du
>   			return ERR_PTR(-ENOMEM);
>   		}
>   
> -		if (INTEL_INFO(i915)->has_gt_uc) {
> +		if (HAS_GT_UC(i915)) {
>   			error->gt->uc = gt_record_uc(error->gt, compress);
>   			if (error->gt->uc) {
>   				if (dump_flags & CORE_DUMP_FLAG_IS_GUC_CAPTURE)
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index 498708b33924f..6d4e2c4292f3b 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -644,7 +644,6 @@ static const struct intel_device_info chv_info = {
>   	GEN(9), \
>   	GEN9_DEFAULT_PAGE_SIZES, \
>   	.display.has_dmc = 1, \
> -	.has_gt_uc = 1, \
>   	.display.has_hdcp = 1, \
>   	.display.has_ipc = 1, \
>   	.display.has_psr = 1, \
> @@ -705,7 +704,6 @@ static const struct intel_device_info skl_gt4_info = {
>   	.has_rps = true, \
>   	.display.has_dp_mst = 1, \
>   	.has_logical_ring_contexts = 1, \
> -	.has_gt_uc = 1, \
>   	.dma_mask_size = 39, \
>   	.ppgtt_type = INTEL_PPGTT_FULL, \
>   	.ppgtt_size = 48, \
> @@ -1008,7 +1006,6 @@ static const struct intel_device_info adl_p_info = {
>   	.has_64bit_reloc = 1, \
>   	.has_flat_ccs = 1, \
>   	.has_global_mocs = 1, \
> -	.has_gt_uc = 1, \
>   	.has_llc = 1, \
>   	.has_logical_ring_contexts = 1, \
>   	.has_logical_ring_elsq = 1, \
> diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
> index e7d2cf7d65c85..dcc8c63ae6ed4 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.h
> +++ b/drivers/gpu/drm/i915/intel_device_info.h
> @@ -146,7 +146,6 @@ enum intel_ppgtt_type {
>   	func(has_4tile); \
>   	func(has_flat_ccs); \
>   	func(has_global_mocs); \
> -	func(has_gt_uc); \
>   	func(has_heci_pxp); \
>   	func(has_heci_gscfi); \
>   	func(has_guc_deprivilege); \