[Intel-gfx] [PATCH 4/7] drm/i915: Move the engine mask to intel_gt_info

Tvrtko Ursulin tvrtko.ursulin at linux.intel.com
Fri Jun 26 14:45:19 UTC 2020


On 26/06/2020 00:42, Daniele Ceraolo Spurio wrote:
> Since the engines belong to the GT, move the runtime-updated list of
> available engines to the intel_gt struct. The original mask has been
> renamed to indicate it contains the maximum engine list that can be
> found on a matching device.
> 
> In preparation for other info being moved to the gt in follow up patches
> (sseu), introduce an intel_gt_info structure to group all gt-related
> runtime info.
> 
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at linux.intel.com>
> Cc: Andi Shyti <andi.shyti at intel.com>
> Cc: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota at intel.com>
> ---
>   .../gpu/drm/i915/gem/i915_gem_execbuffer.c    |  3 +-
>   drivers/gpu/drm/i915/gt/intel_engine_cs.c     | 13 +++---
>   drivers/gpu/drm/i915/gt/intel_gt.c            |  6 +++
>   drivers/gpu/drm/i915/gt/intel_gt.h            |  4 ++
>   drivers/gpu/drm/i915/gt/intel_gt_types.h      |  8 ++++
>   drivers/gpu/drm/i915/gt/intel_reset.c         |  6 +--
>   .../gpu/drm/i915/gt/intel_ring_submission.c   |  2 +-
>   drivers/gpu/drm/i915/gt/selftest_lrc.c        |  8 ++--
>   drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c    |  2 +-
>   drivers/gpu/drm/i915/gvt/handlers.c           |  2 +-
>   drivers/gpu/drm/i915/i915_debugfs.c           |  2 +
>   drivers/gpu/drm/i915/i915_drv.c               |  1 +
>   drivers/gpu/drm/i915/i915_drv.h               |  6 +--
>   drivers/gpu/drm/i915/i915_gpu_error.c         | 23 ++++++----
>   drivers/gpu/drm/i915/i915_gpu_error.h         |  3 ++
>   drivers/gpu/drm/i915/i915_pci.c               | 42 +++++++++----------
>   drivers/gpu/drm/i915/intel_device_info.c      |  1 -
>   drivers/gpu/drm/i915/intel_device_info.h      |  7 +---
>   drivers/gpu/drm/i915/intel_uncore.c           |  2 +-
>   drivers/gpu/drm/i915/selftests/i915_request.c |  2 +-
>   .../gpu/drm/i915/selftests/mock_gem_device.c  |  3 +-
>   21 files changed, 84 insertions(+), 62 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
> index c38ab51e82f0..7ffac711e4b4 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
> @@ -1973,8 +1973,7 @@ static int eb_submit(struct i915_execbuffer *eb, struct i915_vma *batch)
>   
>   static int num_vcs_engines(const struct drm_i915_private *i915)
>   {
> -	return hweight64(INTEL_INFO(i915)->engine_mask &
> -			 GENMASK_ULL(VCS0 + I915_MAX_VCS - 1, VCS0));
> +	return hweight64(VDBOX_MASK(&i915->gt));
>   }
>   
>   /*
> diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
> index 8497106eb3a6..3af58df3b13e 100644
> --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
> @@ -370,7 +370,7 @@ static void __setup_engine_capabilities(struct intel_engine_cs *engine)
>   		 * instances.
>   		 */
>   		if ((INTEL_GEN(i915) >= 11 &&
> -		     RUNTIME_INFO(i915)->vdbox_sfc_access & engine->mask) ||
> +		     engine->gt->info.vdbox_sfc_access & engine->mask) ||
>   		    (INTEL_GEN(i915) >= 9 && engine->instance == 0))
>   			engine->uabi_capabilities |=
>   				I915_VIDEO_AND_ENHANCE_CLASS_CAPABILITY_SFC;
> @@ -459,7 +459,7 @@ void intel_engines_free(struct intel_gt *gt)
>   static intel_engine_mask_t init_engine_mask(struct intel_gt *gt)
>   {
>   	struct drm_i915_private *i915 = gt->i915;
> -	struct intel_device_info *info = mkwrite_device_info(i915);
> +	struct intel_gt_info *info = &gt->info;
>   	struct intel_uncore *uncore = gt->uncore;
>   	unsigned int logical_vdbox = 0;
>   	unsigned int i;
> @@ -467,6 +467,8 @@ static intel_engine_mask_t init_engine_mask(struct intel_gt *gt)
>   	u16 vdbox_mask;
>   	u16 vebox_mask;
>   
> +	info->engine_mask = INTEL_INFO(i915)->max_engine_mask;
> +
>   	if (INTEL_GEN(i915) < 11)
>   		return info->engine_mask;
>   
> @@ -494,7 +496,7 @@ static intel_engine_mask_t init_engine_mask(struct intel_gt *gt)
>   		 * In TGL each VDBOX has access to an SFC.
>   		 */
>   		if (INTEL_GEN(i915) >= 12 || logical_vdbox++ % 2 == 0)
> -			RUNTIME_INFO(i915)->vdbox_sfc_access |= BIT(i);
> +			gt->info.vdbox_sfc_access |= BIT(i);
>   	}
>   	drm_dbg(&i915->drm, "vdbox enable: %04x, instances: %04lx\n",
>   		vdbox_mask, VDBOX_MASK(gt));
> @@ -527,7 +529,6 @@ static intel_engine_mask_t init_engine_mask(struct intel_gt *gt)
>   int intel_engines_init_mmio(struct intel_gt *gt)
>   {
>   	struct drm_i915_private *i915 = gt->i915;
> -	struct intel_device_info *device_info = mkwrite_device_info(i915);
>   	const unsigned int engine_mask = init_engine_mask(gt);
>   	unsigned int mask = 0;
>   	unsigned int i;
> @@ -557,9 +558,9 @@ int intel_engines_init_mmio(struct intel_gt *gt)
>   	 * engines.
>   	 */
>   	if (drm_WARN_ON(&i915->drm, mask != engine_mask))
> -		device_info->engine_mask = mask;
> +		gt->info.engine_mask = mask;
>   
> -	RUNTIME_INFO(i915)->num_engines = hweight32(mask);
> +	gt->info.num_engines = hweight32(mask);
>   
>   	intel_gt_check_and_clear_faults(gt);
>   
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
> index ebc29b6ee86c..d0ae1cb5c7c9 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt.c
> +++ b/drivers/gpu/drm/i915/gt/intel_gt.c
> @@ -642,3 +642,9 @@ void intel_gt_driver_late_release(struct intel_gt *gt)
>   	intel_gt_fini_timelines(gt);
>   	intel_engines_free(gt);
>   }
> +
> +void intel_gt_info_print(const struct intel_gt_info *info,
> +			 struct drm_printer *p)
> +{
> +	drm_printf(p, "available engines: %x\n", info->engine_mask);
> +}
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h
> index 4fac043750aa..15142e2a3b22 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt.h
> +++ b/drivers/gpu/drm/i915/gt/intel_gt.h
> @@ -11,6 +11,7 @@
>   #include "intel_reset.h"
>   
>   struct drm_i915_private;
> +struct drm_printer;
>   
>   #define GT_TRACE(gt, fmt, ...) do {					\
>   	const struct intel_gt *gt__ __maybe_unused = (gt);		\
> @@ -68,4 +69,7 @@ static inline bool intel_gt_has_init_error(const struct intel_gt *gt)
>   	return test_bit(I915_WEDGED_ON_INIT, &gt->reset.flags);
>   }
>   
> +void intel_gt_info_print(const struct intel_gt_info *info,
> +			 struct drm_printer *p);
> +
>   #endif /* __INTEL_GT_H__ */
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
> index 0cc1d6b185dc..bb7551867c00 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
> +++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
> @@ -109,6 +109,14 @@ struct intel_gt {
>   	struct intel_gt_buffer_pool buffer_pool;
>   
>   	struct i915_vma *scratch;
> +
> +	struct intel_gt_info {
> +		intel_engine_mask_t engine_mask;
> +		u8 num_engines;
> +
> +		/* Media engine access to SFC per instance */
> +		u8 vdbox_sfc_access;
> +	} info;
>   };
>   
>   enum intel_gt_scratch_field {
> diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
> index 0156f1f5c736..952cd6e9b88e 100644
> --- a/drivers/gpu/drm/i915/gt/intel_reset.c
> +++ b/drivers/gpu/drm/i915/gt/intel_reset.c
> @@ -342,7 +342,7 @@ static int gen6_reset_engines(struct intel_gt *gt,
>   static int gen11_lock_sfc(struct intel_engine_cs *engine, u32 *hw_mask)
>   {
>   	struct intel_uncore *uncore = engine->uncore;
> -	u8 vdbox_sfc_access = RUNTIME_INFO(engine->i915)->vdbox_sfc_access;
> +	u8 vdbox_sfc_access = engine->gt->info.vdbox_sfc_access;
>   	i915_reg_t sfc_forced_lock, sfc_forced_lock_ack;
>   	u32 sfc_forced_lock_bit, sfc_forced_lock_ack_bit;
>   	i915_reg_t sfc_usage;
> @@ -417,7 +417,7 @@ static int gen11_lock_sfc(struct intel_engine_cs *engine, u32 *hw_mask)
>   static void gen11_unlock_sfc(struct intel_engine_cs *engine)
>   {
>   	struct intel_uncore *uncore = engine->uncore;
> -	u8 vdbox_sfc_access = RUNTIME_INFO(engine->i915)->vdbox_sfc_access;
> +	u8 vdbox_sfc_access = engine->gt->info.vdbox_sfc_access;
>   	i915_reg_t sfc_forced_lock;
>   	u32 sfc_forced_lock_bit;
>   
> @@ -1246,7 +1246,7 @@ void intel_gt_handle_error(struct intel_gt *gt,
>   	 */
>   	wakeref = intel_runtime_pm_get(gt->uncore->rpm);
>   
> -	engine_mask &= INTEL_INFO(gt->i915)->engine_mask;
> +	engine_mask &= gt->info.engine_mask;
>   
>   	if (flags & I915_ERROR_CAPTURE) {
>   		i915_capture_error_state(gt->i915);
> diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
> index 68a08486fc87..b09b83deecef 100644
> --- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
> +++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
> @@ -649,7 +649,7 @@ static inline int mi_set_context(struct i915_request *rq,
>   	struct drm_i915_private *i915 = engine->i915;
>   	enum intel_engine_id id;
>   	const int num_engines =
> -		IS_HASWELL(i915) ? RUNTIME_INFO(i915)->num_engines - 1 : 0;
> +		IS_HASWELL(i915) ? engine->gt->info.num_engines - 1 : 0;
>   	bool force_restore = false;
>   	int len;
>   	u32 *cs;
> diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
> index daa4aabab9a7..b3678b5f9655 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
> @@ -963,7 +963,7 @@ slice_semaphore_queue(struct intel_engine_cs *outer,
>   		goto out;
>   
>   	if (i915_request_wait(head, 0,
> -			      2 * RUNTIME_INFO(outer->i915)->num_engines * (count + 2) * (count + 3)) < 0) {
> +			      2 * engine->gt->info.num_engines * (count + 2) * (count + 3)) < 0) {
>   		pr_err("Failed to slice along semaphore chain of length (%d, %d)!\n",
>   		       count, n);
>   		GEM_TRACE_DUMP();
> @@ -3569,8 +3569,7 @@ static int smoke_crescendo(struct preempt_smoke *smoke, unsigned int flags)
>   	}
>   
>   	pr_info("Submitted %lu crescendo:%x requests across %d engines and %d contexts\n",
> -		count, flags,
> -		RUNTIME_INFO(smoke->gt->i915)->num_engines, smoke->ncontext);
> +		count, flags, smoke->gt->info.num_engines, smoke->ncontext);
>   	return 0;
>   }
>   
> @@ -3597,8 +3596,7 @@ static int smoke_random(struct preempt_smoke *smoke, unsigned int flags)
>   	} while (count < smoke->ncontext && !__igt_timeout(end_time, NULL));
>   
>   	pr_info("Submitted %lu random:%x requests across %d engines and %d contexts\n",
> -		count, flags,
> -		RUNTIME_INFO(smoke->gt->i915)->num_engines, smoke->ncontext);
> +		count, flags, smoke->gt->info.num_engines, smoke->ncontext);
>   	return 0;
>   }
>   
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> index fbdd6b0677db..c10ae1660e53 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> @@ -106,7 +106,7 @@ static void __guc_ads_init(struct intel_guc *guc)
>   
>   	blob->system_info.vdbox_enable_mask = VDBOX_MASK(gt);
>   	blob->system_info.vebox_enable_mask = VEBOX_MASK(gt);
> -	blob->system_info.vdbox_sfc_support_mask = RUNTIME_INFO(dev_priv)->vdbox_sfc_access;
> +	blob->system_info.vdbox_sfc_support_mask = gt->info.vdbox_sfc_access;
>   
>   	base = intel_guc_ggtt_offset(guc, guc->ads_vma);
>   
> diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
> index ddefc52f6e09..e047a4950f5f 100644
> --- a/drivers/gpu/drm/i915/gvt/handlers.c
> +++ b/drivers/gpu/drm/i915/gvt/handlers.c
> @@ -347,7 +347,7 @@ static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
>   			gvt_dbg_mmio("vgpu%d: request GUC Reset\n", vgpu->id);
>   			vgpu_vreg_t(vgpu, GUC_STATUS) |= GS_MIA_IN_RESET;
>   		}
> -		engine_mask &= INTEL_INFO(vgpu->gvt->gt->i915)->engine_mask;
> +		engine_mask &= vgpu->gvt->gt->info.engine_mask;
>   	}
>   
>   	/* vgpu_lock already hold by emulate mmio r/w */
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 8594a8ef08ce..cad1620d2a7e 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -34,6 +34,7 @@
>   #include "gem/i915_gem_context.h"
>   #include "gt/intel_gt_buffer_pool.h"
>   #include "gt/intel_gt_clock_utils.h"
> +#include "gt/intel_gt.h"
>   #include "gt/intel_gt_pm.h"
>   #include "gt/intel_gt_requests.h"
>   #include "gt/intel_reset.h"
> @@ -61,6 +62,7 @@ static int i915_capabilities(struct seq_file *m, void *data)
>   
>   	intel_device_info_print_static(INTEL_INFO(i915), &p);
>   	intel_device_info_print_runtime(RUNTIME_INFO(i915), &p);
> +	intel_gt_info_print(&i915->gt.info, &p);
>   	intel_driver_caps_print(&i915->caps, &p);
>   
>   	kernel_param_lock(THIS_MODULE);
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 611287353420..67789df42be8 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -886,6 +886,7 @@ static void i915_welcome_messages(struct drm_i915_private *dev_priv)
>   
>   		intel_device_info_print_static(INTEL_INFO(dev_priv), &p);
>   		intel_device_info_print_runtime(RUNTIME_INFO(dev_priv), &p);
> +		intel_gt_info_print(&dev_priv->gt.info, &p);
>   	}
>   
>   	if (IS_ENABLED(CONFIG_DRM_I915_DEBUG))
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 17cad4e2cb9c..fa01bf0929e0 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1254,7 +1254,7 @@ static inline struct drm_i915_private *pdev_to_i915(struct pci_dev *pdev)
>   
>   /* Iterator over subset of engines selected by mask */
>   #define for_each_engine_masked(engine__, gt__, mask__, tmp__) \
> -	for ((tmp__) = (mask__) & INTEL_INFO((gt__)->i915)->engine_mask; \
> +	for ((tmp__) = (mask__) & (gt__)->info.engine_mask; \
>   	     (tmp__) ? \
>   	     ((engine__) = (gt__)->engine[__mask_next_bit(tmp__)]), 1 : \
>   	     0;)
> @@ -1561,12 +1561,12 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>   #define IS_GEN9_BC(dev_priv)	(IS_GEN(dev_priv, 9) && !IS_LP(dev_priv))
>   
>   #define __HAS_ENGINE(engine_mask, id) ((engine_mask) & BIT(id))
> -#define HAS_ENGINE(gt, id) __HAS_ENGINE(INTEL_INFO((gt)->i915)->engine_mask, id)
> +#define HAS_ENGINE(gt, id) __HAS_ENGINE((gt)->info.engine_mask, id)
>   
>   #define ENGINE_INSTANCES_MASK(gt, first, count) ({		\
>   	unsigned int first__ = (first);					\
>   	unsigned int count__ = (count);					\
> -	(INTEL_INFO((gt)->i915)->engine_mask &				\
> +	((gt)->info.engine_mask &						\
>   	 GENMASK(first__ + count__ - 1, first__)) >> first__;		\
>   })
>   #define VDBOX_MASK(gt) \
> diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
> index 866166ada10e..9cb9aa39c33d 100644
> --- a/drivers/gpu/drm/i915/i915_gpu_error.c
> +++ b/drivers/gpu/drm/i915/i915_gpu_error.c
> @@ -42,6 +42,7 @@
>   
>   #include "gem/i915_gem_context.h"
>   #include "gem/i915_gem_lmem.h"
> +#include "gt/intel_gt.h"
>   #include "gt/intel_gt_pm.h"
>   
>   #include "i915_drv.h"
> @@ -619,16 +620,15 @@ static void print_error_vma(struct drm_i915_error_state_buf *m,
>   }
>   
>   static void err_print_capabilities(struct drm_i915_error_state_buf *m,
> -				   const struct intel_device_info *info,
> -				   const struct intel_runtime_info *runtime,
> -				   const struct intel_driver_caps *caps)
> +				   struct i915_gpu_coredump *error)
>   {
>   	struct drm_printer p = i915_error_printer(m);
>   
> -	intel_device_info_print_static(info, &p);
> -	intel_device_info_print_runtime(runtime, &p);
> -	intel_device_info_print_topology(&runtime->sseu, &p);
> -	intel_driver_caps_print(caps, &p);
> +	intel_device_info_print_static(&error->device_info, &p);
> +	intel_device_info_print_runtime(&error->runtime_info, &p);
> +	intel_device_info_print_topology(&error->runtime_info.sseu, &p);
> +	intel_gt_info_print(&error->gt->info, &p);
> +	intel_driver_caps_print(&error->driver_caps, &p);
>   }
>   
>   static void err_print_params(struct drm_i915_error_state_buf *m,
> @@ -798,8 +798,7 @@ static void __err_print_to_sgl(struct drm_i915_error_state_buf *m,
>   	if (error->display)
>   		intel_display_print_error_state(m, error->display);
>   
> -	err_print_capabilities(m, &error->device_info, &error->runtime_info,
> -			       &error->driver_caps);
> +	err_print_capabilities(m, error);
>   	err_print_params(m, &error->params);
>   }
>   
> @@ -1630,6 +1629,11 @@ static void gt_record_regs(struct intel_gt_coredump *gt)
>   	gt->pgtbl_er = intel_uncore_read(uncore, PGTBL_ER);
>   }
>   
> +static void gt_record_info(struct intel_gt_coredump *gt)
> +{
> +	memcpy(&gt->info, &gt->_gt->info, sizeof(struct intel_gt_info));
> +}
> +
>   /*
>    * Generate a semi-unique error code. The code is not meant to have meaning, The
>    * code's only purpose is to try to prevent false duplicated bug reports by
> @@ -1808,6 +1812,7 @@ struct i915_gpu_coredump *i915_gpu_coredump(struct drm_i915_private *i915)
>   			return ERR_PTR(-ENOMEM);
>   		}
>   
> +		gt_record_info(error->gt);
>   		gt_record_engines(error->gt, compress);
>   
>   		if (INTEL_INFO(i915)->has_gt_uc)
> diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h
> index 76b80fbfb7e9..0220b0992808 100644
> --- a/drivers/gpu/drm/i915/i915_gpu_error.h
> +++ b/drivers/gpu/drm/i915/i915_gpu_error.h
> @@ -15,6 +15,7 @@
>   #include <drm/drm_mm.h>
>   
>   #include "gt/intel_engine.h"
> +#include "gt/intel_gt_types.h"
>   #include "gt/uc/intel_uc_fw.h"
>   
>   #include "intel_device_info.h"
> @@ -118,6 +119,8 @@ struct intel_gt_coredump {
>   	bool awake;
>   	bool simulated;
>   
> +	struct intel_gt_info info;
> +
>   	/* Generic register state */
>   	u32 eir;
>   	u32 pgtbl_er;
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index e5fdf17cd9cd..7658025a791f 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -168,7 +168,7 @@
>   	.gpu_reset_clobbers_display = true, \
>   	.hws_needs_physical = 1, \
>   	.unfenced_needs_alignment = 1, \
> -	.engine_mask = BIT(RCS0), \
> +	.max_engine_mask = BIT(RCS0), \
>   	.has_snoop = true, \
>   	.has_coherent_ggtt = false, \
>   	.dma_mask_size = 32, \
> @@ -188,7 +188,7 @@
>   	.gpu_reset_clobbers_display = true, \
>   	.hws_needs_physical = 1, \
>   	.unfenced_needs_alignment = 1, \
> -	.engine_mask = BIT(RCS0), \
> +	.max_engine_mask = BIT(RCS0), \
>   	.has_snoop = true, \
>   	.has_coherent_ggtt = false, \
>   	.dma_mask_size = 32, \
> @@ -225,7 +225,7 @@ static const struct intel_device_info i865g_info = {
>   	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
>   	.display.has_gmch = 1, \
>   	.gpu_reset_clobbers_display = true, \
> -	.engine_mask = BIT(RCS0), \
> +	.max_engine_mask = BIT(RCS0), \
>   	.has_snoop = true, \
>   	.has_coherent_ggtt = true, \
>   	.dma_mask_size = 32, \
> @@ -316,7 +316,7 @@ static const struct intel_device_info pnv_m_info = {
>   	.display.has_hotplug = 1, \
>   	.display.has_gmch = 1, \
>   	.gpu_reset_clobbers_display = true, \
> -	.engine_mask = BIT(RCS0), \
> +	.max_engine_mask = BIT(RCS0), \
>   	.has_snoop = true, \
>   	.has_coherent_ggtt = true, \
>   	.dma_mask_size = 36, \
> @@ -348,7 +348,7 @@ static const struct intel_device_info i965gm_info = {
>   static const struct intel_device_info g45_info = {
>   	GEN4_FEATURES,
>   	PLATFORM(INTEL_G45),
> -	.engine_mask = BIT(RCS0) | BIT(VCS0),
> +	.max_engine_mask = BIT(RCS0) | BIT(VCS0),
>   	.gpu_reset_clobbers_display = false,
>   };
>   
> @@ -358,7 +358,7 @@ static const struct intel_device_info gm45_info = {
>   	.is_mobile = 1,
>   	.display.has_fbc = 1,
>   	.display.supports_tv = 1,
> -	.engine_mask = BIT(RCS0) | BIT(VCS0),
> +	.max_engine_mask = BIT(RCS0) | BIT(VCS0),
>   	.gpu_reset_clobbers_display = false,
>   };
>   
> @@ -367,7 +367,7 @@ static const struct intel_device_info gm45_info = {
>   	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
>   	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
>   	.display.has_hotplug = 1, \
> -	.engine_mask = BIT(RCS0) | BIT(VCS0), \
> +	.max_engine_mask = BIT(RCS0) | BIT(VCS0), \
>   	.has_snoop = true, \
>   	.has_coherent_ggtt = true, \
>   	/* ilk does support rc6, but we do not implement [power] contexts */ \
> @@ -397,7 +397,7 @@ static const struct intel_device_info ilk_m_info = {
>   	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
>   	.display.has_hotplug = 1, \
>   	.display.has_fbc = 1, \
> -	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
> +	.max_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
>   	.has_coherent_ggtt = true, \
>   	.has_llc = 1, \
>   	.has_rc6 = 1, \
> @@ -448,7 +448,7 @@ static const struct intel_device_info snb_m_gt2_info = {
>   	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C), \
>   	.display.has_hotplug = 1, \
>   	.display.has_fbc = 1, \
> -	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
> +	.max_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
>   	.has_coherent_ggtt = true, \
>   	.has_llc = 1, \
>   	.has_rc6 = 1, \
> @@ -519,7 +519,7 @@ static const struct intel_device_info vlv_info = {
>   	.ppgtt_size = 31,
>   	.has_snoop = true,
>   	.has_coherent_ggtt = false,
> -	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
> +	.max_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
>   	.display_mmio_offset = VLV_DISPLAY_BASE,
>   	I9XX_PIPE_OFFSETS,
>   	I9XX_CURSOR_OFFSETS,
> @@ -530,7 +530,7 @@ static const struct intel_device_info vlv_info = {
>   
>   #define G75_FEATURES  \
>   	GEN7_FEATURES, \
> -	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
> +	.max_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
>   	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
>   		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP), \
>   	.display.has_ddi = 1, \
> @@ -597,7 +597,7 @@ static const struct intel_device_info bdw_rsvd_info = {
>   static const struct intel_device_info bdw_gt3_info = {
>   	BDW_PLATFORM,
>   	.gt = 3,
> -	.engine_mask =
> +	.max_engine_mask =
>   		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
>   };
>   
> @@ -608,7 +608,7 @@ static const struct intel_device_info chv_info = {
>   	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
>   	.display.has_hotplug = 1,
>   	.is_lp = 1,
> -	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
> +	.max_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
>   	.has_64bit_reloc = 1,
>   	.has_runtime_pm = 1,
>   	.has_rc6 = 1,
> @@ -661,7 +661,7 @@ static const struct intel_device_info skl_gt2_info = {
>   
>   #define SKL_GT3_PLUS_PLATFORM \
>   	SKL_PLATFORM, \
> -	.engine_mask = \
> +	.max_engine_mask = \
>   		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)
>   
>   
> @@ -680,7 +680,7 @@ static const struct intel_device_info skl_gt4_info = {
>   	.is_lp = 1, \
>   	.num_supported_dbuf_slices = 1, \
>   	.display.has_hotplug = 1, \
> -	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
> +	.max_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
>   	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
>   	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
>   		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
> @@ -743,7 +743,7 @@ static const struct intel_device_info kbl_gt2_info = {
>   static const struct intel_device_info kbl_gt3_info = {
>   	KBL_PLATFORM,
>   	.gt = 3,
> -	.engine_mask =
> +	.max_engine_mask =
>   		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
>   };
>   
> @@ -764,7 +764,7 @@ static const struct intel_device_info cfl_gt2_info = {
>   static const struct intel_device_info cfl_gt3_info = {
>   	CFL_PLATFORM,
>   	.gt = 3,
> -	.engine_mask =
> +	.max_engine_mask =
>   		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
>   };
>   
> @@ -833,7 +833,7 @@ static const struct intel_device_info cnl_info = {
>   static const struct intel_device_info icl_info = {
>   	GEN11_FEATURES,
>   	PLATFORM(INTEL_ICELAKE),
> -	.engine_mask =
> +	.max_engine_mask =
>   		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
>   };
>   
> @@ -841,7 +841,7 @@ static const struct intel_device_info ehl_info = {
>   	GEN11_FEATURES,
>   	PLATFORM(INTEL_ELKHARTLAKE),
>   	.require_force_probe = 1,
> -	.engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
> +	.max_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
>   	.ppgtt_size = 36,
>   };
>   
> @@ -877,7 +877,7 @@ static const struct intel_device_info tgl_info = {
>   	GEN12_FEATURES,
>   	PLATFORM(INTEL_TIGERLAKE),
>   	.display.has_modular_fia = 1,
> -	.engine_mask =
> +	.max_engine_mask =
>   		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
>   };
>   
> @@ -890,7 +890,7 @@ static const struct intel_device_info rkl_info = {
>   		BIT(TRANSCODER_C),
>   	.require_force_probe = 1,
>   	.display.has_psr_hw_tracking = 0,
> -	.engine_mask =
> +	.max_engine_mask =
>   		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0),
>   };
>   
> diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
> index 92ebea35c752..a362a66fce11 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.c
> +++ b/drivers/gpu/drm/i915/intel_device_info.c
> @@ -92,7 +92,6 @@ static const char *iommu_name(void)
>   void intel_device_info_print_static(const struct intel_device_info *info,
>   				    struct drm_printer *p)
>   {
> -	drm_printf(p, "engines: %x\n", info->engine_mask);
>   	drm_printf(p, "gen: %d\n", info->gen);
>   	drm_printf(p, "gt: %d\n", info->gt);
>   	drm_printf(p, "iommu: %s\n", iommu_name());
> diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
> index fa60fdc1d75a..f03ed95af190 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.h
> +++ b/drivers/gpu/drm/i915/intel_device_info.h
> @@ -157,7 +157,7 @@ struct intel_device_info {
>   
>   	u8 gen;
>   	u8 gt; /* GT number, 0 if undefined */
> -	intel_engine_mask_t engine_mask; /* Engines supported by the HW */
> +	intel_engine_mask_t max_engine_mask; /* Engines supported by the HW */
>   
>   	enum intel_platform platform;
>   
> @@ -219,8 +219,6 @@ struct intel_runtime_info {
>   	u8 num_sprites[I915_MAX_PIPES];
>   	u8 num_scalers[I915_MAX_PIPES];
>   
> -	u8 num_engines;
> -
>   	/* Slice/subslice/EU info */
>   	struct sseu_dev_info sseu;
>   
> @@ -228,9 +226,6 @@ struct intel_runtime_info {
>   
>   	u32 cs_timestamp_frequency_hz;
>   	u32 cs_timestamp_period_ns;
> -
> -	/* Media engine access to SFC per instance */
> -	u8 vdbox_sfc_access;
>   };
>   
>   struct intel_driver_caps {
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index bd4b45191f7b..f5548875836c 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -1530,7 +1530,7 @@ static int intel_uncore_fw_domains_init(struct intel_uncore *uncore)
>   
>   	if (INTEL_GEN(i915) >= 11) {
>   		/* we'll prune the domains of missing engines later */
> -		intel_engine_mask_t emask = INTEL_INFO(i915)->engine_mask;
> +		intel_engine_mask_t emask = INTEL_INFO(i915)->max_engine_mask;
>   		int i;
>   
>   		uncore->funcs.force_wake_get = fw_domains_get_with_fallback;
> diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
> index 9271aad7f779..57dd6f5122ee 100644
> --- a/drivers/gpu/drm/i915/selftests/i915_request.c
> +++ b/drivers/gpu/drm/i915/selftests/i915_request.c
> @@ -1454,7 +1454,7 @@ static int live_breadcrumbs_smoketest(void *arg)
>   		idx++;
>   	}
>   	pr_info("Completed %lu waits for %lu fences across %d engines and %d cpus\n",
> -		num_waits, num_fences, RUNTIME_INFO(i915)->num_engines, ncpus);
> +		num_waits, num_fences, idx, ncpus);
>   
>   	ret = igt_live_test_end(&live) ?: ret;
>   out_contexts:
> diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> index 9b105b811f1f..0916efa31889 100644
> --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> @@ -190,7 +190,8 @@ struct drm_i915_private *mock_gem_device(void)
>   	mock_init_ggtt(i915, &i915->ggtt);
>   	i915->gt.vm = i915_vm_get(&i915->ggtt.vm);
>   
> -	mkwrite_device_info(i915)->engine_mask = BIT(0);
> +	mkwrite_device_info(i915)->max_engine_mask = BIT(0);
> +	i915->gt.info.engine_mask = BIT(0);
>   
>   	i915->gt.engine[RCS0] = mock_engine(i915, "mock", RCS0);
>   	if (!i915->gt.engine[RCS0])
> 

Only thing which looks a bit sub-optimalis the name "max_engine_mask", 
but maybe it is just me, that max and masks do not go well together. 
Only alternative I have for the moment is platform_engine_mask? Or the 
usual double underscore approach. Either way:

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Regards,

Tvrtko


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