drm/i915/guc: Use consistent name for scratch register count

We should be consistent on naming of similar definitions.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171124170239.29360-1-michal.wajdeczko@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

drivers/gpu/drm/i915/intel_guc_fw.c

@@ -130,14 +130,14 @@ static int guc_xfer_rsa(struct intel_guc *guc, struct i915_vma *vma)
 	struct drm_i915_private *dev_priv = guc_to_i915(guc);
 	struct intel_uc_fw *guc_fw = &guc->fw;
 	struct sg_table *sg = vma->pages;
-	u32 rsa[UOS_RSA_SCRATCH_MAX_COUNT];
+	u32 rsa[UOS_RSA_SCRATCH_COUNT];
 	int i;
 
 	if (sg_pcopy_to_buffer(sg->sgl, sg->nents, rsa, sizeof(rsa),
 			       guc_fw->rsa_offset) != sizeof(rsa))
 		return -EINVAL;
 
-	for (i = 0; i < UOS_RSA_SCRATCH_MAX_COUNT; i++)
+	for (i = 0; i < UOS_RSA_SCRATCH_COUNT; i++)
 		I915_WRITE(UOS_RSA_SCRATCH(i), rsa[i]);
 
 	return 0;

drivers/gpu/drm/i915/intel_guc_reg.h

@@ -52,7 +52,8 @@
 #define SOFT_SCRATCH_COUNT		16
 
 #define UOS_RSA_SCRATCH(i)		_MMIO(0xc200 + (i) * 4)
-#define   UOS_RSA_SCRATCH_MAX_COUNT	  64
+#define UOS_RSA_SCRATCH_COUNT		64
+
 #define DMA_ADDR_0_LOW			_MMIO(0xc300)
 #define DMA_ADDR_0_HIGH			_MMIO(0xc304)
 #define DMA_ADDR_1_LOW			_MMIO(0xc308)

drivers/gpu/drm/i915/intel_uc_fw.c

@@ -105,7 +105,7 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv,
 	}
 
 	/* now RSA */
-	if (css->key_size_dw != UOS_RSA_SCRATCH_MAX_COUNT) {
+	if (css->key_size_dw != UOS_RSA_SCRATCH_COUNT) {
 		DRM_WARN("%s: Mismatched firmware RSA key size (%u)\n",
 			 intel_uc_fw_type_repr(uc_fw->type), css->key_size_dw);
 		err = -ENOEXEC;