[Intel-gfx] [PATCH RFC 2/2] drm/i915/guc: Rename has_guc to has_uc

Srivatsa, Anusha anusha.srivatsa at intel.com
Fri May 5 20:30:05 UTC 2017



>-----Original Message-----
>From: Mateo Lozano, Oscar
>Sent: Friday, May 5, 2017 6:23 AM
>To: intel-gfx at lists.freedesktop.org
>Cc: Mateo Lozano, Oscar <oscar.mateo at intel.com>; Srivatsa, Anusha
><anusha.srivatsa at intel.com>; Ceraolo Spurio, Daniele
><daniele.ceraolospurio at intel.com>; Chris Wilson <chris at chris-wilson.co.uk>;
>Hiler, Arkadiusz <arkadiusz.hiler at intel.com>
>Subject: [PATCH RFC 2/2] drm/i915/guc: Rename has_guc to has_uc
>
>AFAIK, every platform with a HuC has a GuC and viceversa, so make it explicit.

I personally  like the  has_guc more than has_uc. It makes it easier while reading the code. But that my opinion. It is not a strong negation. If majority folks feel this is a cleaner approach then we can go ahead and change. 

Anusha 

>Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
>Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
>Cc: Chris Wilson <chris at chris-wilson.co.uk>
>CC: Arkadiusz Hiler <arkadiusz.hiler at intel.com>
>Signed-off-by: Oscar Mateo <oscar.mateo at intel.com>
>---
> drivers/gpu/drm/i915/i915_debugfs.c     |  6 +++---
> drivers/gpu/drm/i915/i915_drv.h         |  6 +++---
> drivers/gpu/drm/i915/i915_pci.c         | 10 +++++-----
> drivers/gpu/drm/i915/intel_guc_loader.c |  4 ++--
> drivers/gpu/drm/i915/intel_huc.c        |  3 +--
> drivers/gpu/drm/i915/intel_pm.c         |  2 +-
> drivers/gpu/drm/i915/intel_uc.c         |  2 +-
> 7 files changed, 16 insertions(+), 17 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
>b/drivers/gpu/drm/i915/i915_debugfs.c
>index e030b41..4538a5b 100644
>--- a/drivers/gpu/drm/i915/i915_debugfs.c
>+++ b/drivers/gpu/drm/i915/i915_debugfs.c
>@@ -2366,7 +2366,7 @@ static int i915_huc_load_status_info(struct seq_file
>*m, void *data)
> 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
> 	struct intel_uc_fw *huc_fw = &dev_priv->huc.fw;
>
>-	if (!HAS_GUC(dev_priv)) {
>+	if (!HAS_UC(dev_priv)) {
> 		seq_puts(m, "No HuC support in HW\n");
> 		return 0;
> 	}
>@@ -2401,7 +2401,7 @@ static int i915_guc_load_status_info(struct seq_file
>*m, void *data)
> 	struct intel_uc_fw *guc_fw = &dev_priv->guc.fw;
> 	u32 tmp, i;
>
>-	if (!HAS_GUC(dev_priv)) {
>+	if (!HAS_UC(dev_priv)) {
> 		seq_puts(m, "No GuC support in HW\n");
> 		return 0;
> 	}
>@@ -2508,7 +2508,7 @@ static int i915_guc_info(struct seq_file *m, void *data)
>
> 	if (!guc->execbuf_client) {
> 		seq_printf(m, "GuC submission %s\n",
>-			   HAS_GUC(dev_priv) ?
>+			   HAS_UC(dev_priv) ?
> 			   "disabled" :
> 			   "not supported");
> 		return 0;
>diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
>index 5d00120..a4d4ac6 100644
>--- a/drivers/gpu/drm/i915/i915_drv.h
>+++ b/drivers/gpu/drm/i915/i915_drv.h
>@@ -820,7 +820,7 @@ struct intel_csr {
> 	func(has_full_48bit_ppgtt); \
> 	func(has_gmbus_irq); \
> 	func(has_gmch_display); \
>-	func(has_guc); \
>+	func(has_uc); \
> 	func(has_hotplug); \
> 	func(has_l3_dpf); \
> 	func(has_llc); \
>@@ -2921,7 +2921,7 @@ static inline struct scatterlist *__sg_next(struct
>scatterlist *sg)  #define HAS_RUNTIME_PM(dev_priv) ((dev_priv)-
>>info.has_runtime_pm)  #define HAS_64BIT_RELOC(dev_priv) ((dev_priv)-
>>info.has_64bit_reloc)
>
>-#define HAS_GUC(dev_priv)	((dev_priv)->info.has_guc)
>+#define HAS_UC(dev_priv)	((dev_priv)->info.has_uc)
> #define HAS_GUC_UCODE(dev_priv)	((dev_priv)->guc.fw.path != NULL)
> #define HAS_HUC_UCODE(dev_priv)	((dev_priv)->huc.fw.path != NULL)
>
>@@ -2930,7 +2930,7 @@ static inline struct scatterlist *__sg_next(struct
>scatterlist *sg)
>  * to enable GuC submission or we need it to to validate a HuC firmware
>  */
> #define NEEDS_GUC_LOADING(dev_priv) \
>-	(HAS_GUC(dev_priv) && \
>+	(HAS_UC(dev_priv) && \
> 	(i915.enable_guc_submission || HAS_HUC_UCODE(dev_priv)))
>
> #define HAS_RESOURCE_STREAMER(dev_priv) ((dev_priv)-
>>info.has_resource_streamer)
>diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
>index f80db2c..261ed3a 100644
>--- a/drivers/gpu/drm/i915/i915_pci.c
>+++ b/drivers/gpu/drm/i915/i915_pci.c
>@@ -352,7 +352,7 @@
> 	.platform = INTEL_SKYLAKE,
> 	.gen = 9,
> 	.has_csr = 1,
>-	.has_guc = 1,
>+	.has_uc = 1,
> 	.ddb_size = 896,
> };
>
>@@ -361,7 +361,7 @@
> 	.platform = INTEL_SKYLAKE,
> 	.gen = 9,
> 	.has_csr = 1,
>-	.has_guc = 1,
>+	.has_uc = 1,
> 	.ddb_size = 896,
> 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING |
>BSD2_RING,  }; @@ -384,7 +384,7 @@
> 	.has_dp_mst = 1, \
> 	.has_gmbus_irq = 1, \
> 	.has_logical_ring_contexts = 1, \
>-	.has_guc = 1, \
>+	.has_uc = 1, \
> 	.has_decoupled_mmio = 1, \
> 	.has_aliasing_ppgtt = 1, \
> 	.has_full_ppgtt = 1, \
>@@ -412,7 +412,7 @@
> 	.platform = INTEL_KABYLAKE,
> 	.gen = 9,
> 	.has_csr = 1,
>-	.has_guc = 1,
>+	.has_uc = 1,
> 	.ddb_size = 896,
> };
>
>@@ -421,7 +421,7 @@
> 	.platform = INTEL_KABYLAKE,
> 	.gen = 9,
> 	.has_csr = 1,
>-	.has_guc = 1,
>+	.has_uc = 1,
> 	.ddb_size = 896,
> 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING |
>BSD2_RING,  }; diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c
>b/drivers/gpu/drm/i915/intel_guc_loader.c
>index 762f0f2..ffe7fb5a 100644
>--- a/drivers/gpu/drm/i915/intel_guc_loader.c
>+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
>@@ -378,7 +378,7 @@ int intel_guc_init_hw(struct intel_guc *guc)  void
>intel_guc_sanitize_submission(struct drm_i915_private *dev_priv)  {
> 	/* Verify hardware support */
>-	if (!HAS_GUC(dev_priv)) {
>+	if (!HAS_UC(dev_priv)) {
> 		if (i915.enable_guc_submission > 0)
> 			DRM_INFO("Ignoring GuC submission enable, no
>HW\n");
> 		i915.enable_guc_submission = 0;
>@@ -446,7 +446,7 @@ void intel_guc_select_fw(struct intel_guc *guc)
> 		guc->fw.major_ver_wanted = GLK_FW_MAJOR;
> 		guc->fw.minor_ver_wanted = GLK_FW_MINOR;
> 	} else {
>-		if (HAS_GUC(dev_priv))
>+		if (HAS_UC(dev_priv))
> 			DRM_ERROR("No GuC FW known for a platform with
>GuC!\n");
> 		return;
> 	}
>diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c
>index 49a6d88..19191b2 100644
>--- a/drivers/gpu/drm/i915/intel_huc.c
>+++ b/drivers/gpu/drm/i915/intel_huc.c
>@@ -176,8 +176,7 @@ void intel_huc_select_fw(struct intel_huc *huc)
> 		huc->fw.major_ver_wanted = GLK_HUC_FW_MAJOR;
> 		huc->fw.minor_ver_wanted = GLK_HUC_FW_MINOR;
> 	} else {
>-		/* For now, everything with a GuC also has a HuC */
>-		if (HAS_GUC(dev_priv))
>+		if (HAS_UC(dev_priv))
> 			DRM_ERROR("No HuC FW known for a platform with
>HuC!\n");
> 		return;
> 	}
>diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
>index cacb65f..50bdf2e 100644
>--- a/drivers/gpu/drm/i915/intel_pm.c
>+++ b/drivers/gpu/drm/i915/intel_pm.c
>@@ -5690,7 +5690,7 @@ static void gen9_enable_rc6(struct drm_i915_private
>*dev_priv)
> 	for_each_engine(engine, dev_priv, id)
> 		I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10);
>
>-	if (HAS_GUC(dev_priv))
>+	if (HAS_UC(dev_priv))
> 		I915_WRITE(GUC_MAX_IDLE_COUNT, 0xA);
>
> 	I915_WRITE(GEN6_RC_SLEEP, 0);
>diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
>index 2f1f79b..f126d7e 100644
>--- a/drivers/gpu/drm/i915/intel_uc.c
>+++ b/drivers/gpu/drm/i915/intel_uc.c
>@@ -211,7 +211,7 @@ static void fetch_uc_fw(struct drm_i915_private
>*dev_priv,
>
> void intel_uc_init_fw(struct drm_i915_private *dev_priv)  {
>-	if (!HAS_GUC(dev_priv))
>+	if (!HAS_UC(dev_priv))
> 		return;
>
> 	fetch_uc_fw(dev_priv, &dev_priv->huc.fw);
>--
>1.9.1



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