[Intel-gfx] [PATCH v2 05/12] drm/i915/gt: replace gen use in intel_engine_cs

Jani Nikula jani.nikula at linux.intel.com
Tue Apr 13 09:36:19 UTC 2021


On Mon, 12 Apr 2021, Lucas De Marchi <lucas.demarchi at intel.com> wrote:
> Start using the new fields graphics_version for the previous gen checks.
> Here we rename the "gen" field and replace the comparisons using it to
> start using the new GRAPHICS_VER(). Other uses of INTEL_GEN() were left
> as is for automatic conversion later.
>
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

> ---
>  drivers/gpu/drm/i915/gt/intel_engine_cs.c    | 40 ++++++++++----------
>  drivers/gpu/drm/i915/gt/selftest_engine_cs.c | 18 ++++-----
>  2 files changed, 29 insertions(+), 29 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
> index efe935f80c1a..6dbdbde00f14 100644
> --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
> @@ -45,9 +45,9 @@ struct engine_info {
>  	unsigned int hw_id;
>  	u8 class;
>  	u8 instance;
> -	/* mmio bases table *must* be sorted in reverse gen order */
> +	/* mmio bases table *must* be sorted in reverse graphics_ver order */
>  	struct engine_mmio_base {
> -		u32 gen : 8;
> +		u32 graphics_ver : 8;
>  		u32 base : 24;
>  	} mmio_bases[MAX_MMIO_BASES];
>  };
> @@ -58,7 +58,7 @@ static const struct engine_info intel_engines[] = {
>  		.class = RENDER_CLASS,
>  		.instance = 0,
>  		.mmio_bases = {
> -			{ .gen = 1, .base = RENDER_RING_BASE }
> +			{ .graphics_ver = 1, .base = RENDER_RING_BASE }
>  		},
>  	},
>  	[BCS0] = {
> @@ -66,7 +66,7 @@ static const struct engine_info intel_engines[] = {
>  		.class = COPY_ENGINE_CLASS,
>  		.instance = 0,
>  		.mmio_bases = {
> -			{ .gen = 6, .base = BLT_RING_BASE }
> +			{ .graphics_ver = 6, .base = BLT_RING_BASE }
>  		},
>  	},
>  	[VCS0] = {
> @@ -74,9 +74,9 @@ static const struct engine_info intel_engines[] = {
>  		.class = VIDEO_DECODE_CLASS,
>  		.instance = 0,
>  		.mmio_bases = {
> -			{ .gen = 11, .base = GEN11_BSD_RING_BASE },
> -			{ .gen = 6, .base = GEN6_BSD_RING_BASE },
> -			{ .gen = 4, .base = BSD_RING_BASE }
> +			{ .graphics_ver = 11, .base = GEN11_BSD_RING_BASE },
> +			{ .graphics_ver = 6, .base = GEN6_BSD_RING_BASE },
> +			{ .graphics_ver = 4, .base = BSD_RING_BASE }
>  		},
>  	},
>  	[VCS1] = {
> @@ -84,8 +84,8 @@ static const struct engine_info intel_engines[] = {
>  		.class = VIDEO_DECODE_CLASS,
>  		.instance = 1,
>  		.mmio_bases = {
> -			{ .gen = 11, .base = GEN11_BSD2_RING_BASE },
> -			{ .gen = 8, .base = GEN8_BSD2_RING_BASE }
> +			{ .graphics_ver = 11, .base = GEN11_BSD2_RING_BASE },
> +			{ .graphics_ver = 8, .base = GEN8_BSD2_RING_BASE }
>  		},
>  	},
>  	[VCS2] = {
> @@ -93,7 +93,7 @@ static const struct engine_info intel_engines[] = {
>  		.class = VIDEO_DECODE_CLASS,
>  		.instance = 2,
>  		.mmio_bases = {
> -			{ .gen = 11, .base = GEN11_BSD3_RING_BASE }
> +			{ .graphics_ver = 11, .base = GEN11_BSD3_RING_BASE }
>  		},
>  	},
>  	[VCS3] = {
> @@ -101,7 +101,7 @@ static const struct engine_info intel_engines[] = {
>  		.class = VIDEO_DECODE_CLASS,
>  		.instance = 3,
>  		.mmio_bases = {
> -			{ .gen = 11, .base = GEN11_BSD4_RING_BASE }
> +			{ .graphics_ver = 11, .base = GEN11_BSD4_RING_BASE }
>  		},
>  	},
>  	[VECS0] = {
> @@ -109,8 +109,8 @@ static const struct engine_info intel_engines[] = {
>  		.class = VIDEO_ENHANCEMENT_CLASS,
>  		.instance = 0,
>  		.mmio_bases = {
> -			{ .gen = 11, .base = GEN11_VEBOX_RING_BASE },
> -			{ .gen = 7, .base = VEBOX_RING_BASE }
> +			{ .graphics_ver = 11, .base = GEN11_VEBOX_RING_BASE },
> +			{ .graphics_ver = 7, .base = VEBOX_RING_BASE }
>  		},
>  	},
>  	[VECS1] = {
> @@ -118,7 +118,7 @@ static const struct engine_info intel_engines[] = {
>  		.class = VIDEO_ENHANCEMENT_CLASS,
>  		.instance = 1,
>  		.mmio_bases = {
> -			{ .gen = 11, .base = GEN11_VEBOX2_RING_BASE }
> +			{ .graphics_ver = 11, .base = GEN11_VEBOX2_RING_BASE }
>  		},
>  	},
>  };
> @@ -146,9 +146,9 @@ u32 intel_engine_context_size(struct intel_gt *gt, u8 class)
>  
>  	switch (class) {
>  	case RENDER_CLASS:
> -		switch (INTEL_GEN(gt->i915)) {
> +		switch (GRAPHICS_VER(gt->i915)) {
>  		default:
> -			MISSING_CASE(INTEL_GEN(gt->i915));
> +			MISSING_CASE(GRAPHICS_VER(gt->i915));
>  			return DEFAULT_LR_CONTEXT_RENDER_SIZE;
>  		case 12:
>  		case 11:
> @@ -184,8 +184,8 @@ u32 intel_engine_context_size(struct intel_gt *gt, u8 class)
>  			 */
>  			cxt_size = intel_uncore_read(uncore, CXT_SIZE) + 1;
>  			drm_dbg(&gt->i915->drm,
> -				"gen%d CXT_SIZE = %d bytes [0x%08x]\n",
> -				INTEL_GEN(gt->i915), cxt_size * 64,
> +				"graphics_ver = %d CXT_SIZE = %d bytes [0x%08x]\n",
> +				GRAPHICS_VER(gt->i915), cxt_size * 64,
>  				cxt_size - 1);
>  			return round_up(cxt_size * 64, PAGE_SIZE);
>  		case 3:
> @@ -201,7 +201,7 @@ u32 intel_engine_context_size(struct intel_gt *gt, u8 class)
>  	case VIDEO_DECODE_CLASS:
>  	case VIDEO_ENHANCEMENT_CLASS:
>  	case COPY_ENGINE_CLASS:
> -		if (INTEL_GEN(gt->i915) < 8)
> +		if (GRAPHICS_VER(gt->i915) < 8)
>  			return 0;
>  		return GEN8_LR_CONTEXT_OTHER_SIZE;
>  	}
> @@ -213,7 +213,7 @@ static u32 __engine_mmio_base(struct drm_i915_private *i915,
>  	int i;
>  
>  	for (i = 0; i < MAX_MMIO_BASES; i++)
> -		if (INTEL_GEN(i915) >= bases[i].gen)
> +		if (GRAPHICS_VER(i915) >= bases[i].graphics_ver)
>  			break;
>  
>  	GEM_BUG_ON(i == MAX_MMIO_BASES);
> diff --git a/drivers/gpu/drm/i915/gt/selftest_engine_cs.c b/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
> index b32814a1f20b..3453eb77c498 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
> @@ -376,34 +376,34 @@ static int intel_mmio_bases_check(void *arg)
>  		u8 prev = U8_MAX;
>  
>  		for (j = 0; j < MAX_MMIO_BASES; j++) {
> -			u8 gen = info->mmio_bases[j].gen;
> +			u8 ver = info->mmio_bases[j].graphics_ver;
>  			u32 base = info->mmio_bases[j].base;
>  
> -			if (gen >= prev) {
> -				pr_err("%s(%s, class:%d, instance:%d): mmio base for gen %x is before the one for gen %x\n",
> +			if (ver >= prev) {
> +				pr_err("%s(%s, class:%d, instance:%d): mmio base for graphics ver %u is before the one for ver %u\n",
>  				       __func__,
>  				       intel_engine_class_repr(info->class),
>  				       info->class, info->instance,
> -				       prev, gen);
> +				       prev, ver);
>  				return -EINVAL;
>  			}
>  
> -			if (gen == 0)
> +			if (ver == 0)
>  				break;
>  
>  			if (!base) {
> -				pr_err("%s(%s, class:%d, instance:%d): invalid mmio base (%x) for gen %x at entry %u\n",
> +				pr_err("%s(%s, class:%d, instance:%d): invalid mmio base (%x) for graphics ver %u at entry %u\n",
>  				       __func__,
>  				       intel_engine_class_repr(info->class),
>  				       info->class, info->instance,
> -				       base, gen, j);
> +				       base, ver, j);
>  				return -EINVAL;
>  			}
>  
> -			prev = gen;
> +			prev = ver;
>  		}
>  
> -		pr_debug("%s: min gen supported for %s%d is %d\n",
> +		pr_debug("%s: min graphics version supported for %s%d is %u\n",
>  			 __func__,
>  			 intel_engine_class_repr(info->class),
>  			 info->instance,

-- 
Jani Nikula, Intel Open Source Graphics Center


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