X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fi915%2Fi915_dma.c;h=2df2fac04708be85f0b596ee07df82e894434b9c;hb=6cd929a42abe7dead9fb44e8b8433bad44cfbecc;hp=697807d925c4cab04e55db99a8006f06ad223c54;hpb=ad5c3d3ffbb26094b0b76751aef4ee4e4854996c;p=karo-tx-linux.git

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 697807d925c4..2df2fac04708 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -391,13 +391,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
 	if (ret)
 		goto cleanup_vga_client;
 
-	/* Initialise stolen first so that we may reserve preallocated
-	 * objects for the BIOS to KMS transition.
-	 */
-	ret = i915_gem_init_stolen(dev);
-	if (ret)
-		goto cleanup_vga_switcheroo;
-
 	intel_power_domains_init_hw(dev_priv, false);
 
 	intel_csr_ucode_init(dev_priv);
@@ -451,8 +444,8 @@ static int i915_load_modeset_init(struct drm_device *dev)
 
 cleanup_gem:
 	mutex_lock(&dev->struct_mutex);
-	i915_gem_cleanup_ringbuffer(dev);
 	i915_gem_context_fini(dev);
+	i915_gem_cleanup_engines(dev);
 	mutex_unlock(&dev->struct_mutex);
 cleanup_irq:
 	intel_guc_ucode_fini(dev);
@@ -460,8 +453,6 @@ cleanup_irq:
 	intel_teardown_gmbus(dev);
 cleanup_csr:
 	intel_csr_ucode_fini(dev_priv);
-	i915_gem_cleanup_stolen(dev);
-cleanup_vga_switcheroo:
 	vga_switcheroo_unregister_client(dev->pdev);
 cleanup_vga_client:
 	vga_client_register(dev->pdev, NULL, NULL, NULL);
@@ -817,7 +808,41 @@ static void intel_device_info_runtime_init(struct drm_device *dev)
 		     !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
 			DRM_INFO("Display fused off, disabling\n");
 			info->num_pipes = 0;
+		} else if (fuse_strap & IVB_PIPE_C_DISABLE) {
+			DRM_INFO("PipeC fused off\n");
+			info->num_pipes -= 1;
+		}
+	} else if (info->num_pipes > 0 && INTEL_INFO(dev)->gen == 9) {
+		u32 dfsm = I915_READ(SKL_DFSM);
+		u8 disabled_mask = 0;
+		bool invalid;
+		int num_bits;
+
+		if (dfsm & SKL_DFSM_PIPE_A_DISABLE)
+			disabled_mask |= BIT(PIPE_A);
+		if (dfsm & SKL_DFSM_PIPE_B_DISABLE)
+			disabled_mask |= BIT(PIPE_B);
+		if (dfsm & SKL_DFSM_PIPE_C_DISABLE)
+			disabled_mask |= BIT(PIPE_C);
+
+		num_bits = hweight8(disabled_mask);
+
+		switch (disabled_mask) {
+		case BIT(PIPE_A):
+		case BIT(PIPE_B):
+		case BIT(PIPE_A) | BIT(PIPE_B):
+		case BIT(PIPE_A) | BIT(PIPE_C):
+			invalid = true;
+			break;
+		default:
+			invalid = false;
 		}
+
+		if (num_bits > info->num_pipes || invalid)
+			DRM_ERROR("invalid pipe fuse configuration: 0x%x\n",
+				  disabled_mask);
+		else
+			info->num_pipes -= num_bits;
 	}
 
 	/* Initialize slice/subslice/EU info */
@@ -1087,8 +1112,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	 * be lost or delayed, but we use them anyways to avoid
 	 * stuck interrupts on some machines.
 	 */
-	if (!IS_I945G(dev) && !IS_I945GM(dev))
-		pci_enable_msi(dev->pdev);
+	if (!IS_I945G(dev) && !IS_I945GM(dev)) {
+		if (pci_enable_msi(dev->pdev) < 0)
+			DRM_DEBUG_DRIVER("can't enable MSI");
+	}
 
 	intel_device_info_runtime_init(dev);
 
@@ -1229,11 +1256,10 @@ int i915_driver_unload(struct drm_device *dev)
 
 	intel_guc_ucode_fini(dev);
 	mutex_lock(&dev->struct_mutex);
-	i915_gem_cleanup_ringbuffer(dev);
 	i915_gem_context_fini(dev);
+	i915_gem_cleanup_engines(dev);
 	mutex_unlock(&dev->struct_mutex);
 	intel_fbc_cleanup_cfb(dev_priv);
-	i915_gem_cleanup_stolen(dev);
 
 	pm_qos_remove_request(&dev_priv->pm_qos);
 
@@ -1285,8 +1311,6 @@ void i915_driver_preclose(struct drm_device *dev, struct drm_file *file)
 	i915_gem_context_close(dev, file);
 	i915_gem_release(dev, file);
 	mutex_unlock(&dev->struct_mutex);
-
-	intel_modeset_preclose(dev, file);
 }
 
 void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)