Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/anholt/drm-intel

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
  drm/i915: Add support for VGA load detection (pre-945).
  drm/i915: Use an I2C algo to do the flip to SDVO DDC bus.
  drm/i915: Determine type before initialising connector
  drm/i915: Return SDVO LVDS VBT mode if no EDID modes are detected.
  drm/i915: Fetch SDVO LVDS mode lines from VBT, then reserve them
  i915: support 8xx desktop cursors
  drm/i915: allocate large pointer arrays with vmalloc

drivers/gpu/drm/i915/i915_drv.h

@@ -180,7 +180,8 @@ typedef struct drm_i915_private {
 	int backlight_duty_cycle;  /* restore backlight to this value */
 	bool panel_wants_dither;
 	struct drm_display_mode *panel_fixed_mode;
-	struct drm_display_mode *vbt_mode; /* if any */
+	struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
+	struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
 
 	/* Feature bits from the VBIOS */
 	unsigned int int_tv_support:1;

drivers/gpu/drm/i915/i915_gem.c

@@ -349,7 +349,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
 	last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
 	num_pages = last_data_page - first_data_page + 1;
 
-	user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+	user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
 	if (user_pages == NULL)
 		return -ENOMEM;
 
@@ -429,7 +429,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
 		SetPageDirty(user_pages[i]);
 		page_cache_release(user_pages[i]);
 	}
-	kfree(user_pages);
+	drm_free_large(user_pages);
 
 	return ret;
 }
@@ -649,7 +649,7 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
 	last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
 	num_pages = last_data_page - first_data_page + 1;
 
-	user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+	user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
 	if (user_pages == NULL)
 		return -ENOMEM;
 
@@ -719,7 +719,7 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
 out_unpin_pages:
 	for (i = 0; i < pinned_pages; i++)
 		page_cache_release(user_pages[i]);
-	kfree(user_pages);
+	drm_free_large(user_pages);
 
 	return ret;
 }
@@ -824,7 +824,7 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
 	last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
 	num_pages = last_data_page - first_data_page + 1;
 
-	user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+	user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
 	if (user_pages == NULL)
 		return -ENOMEM;
 
@@ -902,7 +902,7 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
 fail_put_user_pages:
 	for (i = 0; i < pinned_pages; i++)
 		page_cache_release(user_pages[i]);
-	kfree(user_pages);
+	drm_free_large(user_pages);
 
 	return ret;
 }
@@ -1145,7 +1145,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 			mutex_unlock(&dev->struct_mutex);
 			return VM_FAULT_SIGBUS;
 		}
-		list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+		list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
 	}
 
 	/* Need a new fence register? */
@@ -1375,7 +1375,7 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
 			mutex_unlock(&dev->struct_mutex);
 			return ret;
 		}
-		list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+		list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
 	}
 
 	drm_gem_object_unreference(obj);
@@ -1408,9 +1408,7 @@ i915_gem_object_put_pages(struct drm_gem_object *obj)
 		}
 	obj_priv->dirty = 0;
 
-	drm_free(obj_priv->pages,
-		 page_count * sizeof(struct page *),
-		 DRM_MEM_DRIVER);
+	drm_free_large(obj_priv->pages);
 	obj_priv->pages = NULL;
 }
 
@@ -2024,8 +2022,7 @@ i915_gem_object_get_pages(struct drm_gem_object *obj)
 	 */
 	page_count = obj->size / PAGE_SIZE;
 	BUG_ON(obj_priv->pages != NULL);
-	obj_priv->pages = drm_calloc(page_count, sizeof(struct page *),
-				     DRM_MEM_DRIVER);
+	obj_priv->pages = drm_calloc_large(page_count, sizeof(struct page *));
 	if (obj_priv->pages == NULL) {
 		DRM_ERROR("Faled to allocate page list\n");
 		obj_priv->pages_refcount--;
@@ -3111,7 +3108,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
 		reloc_count += exec_list[i].relocation_count;
 	}
 
-	*relocs = drm_calloc(reloc_count, sizeof(**relocs), DRM_MEM_DRIVER);
+	*relocs = drm_calloc_large(reloc_count, sizeof(**relocs));
 	if (*relocs == NULL)
 		return -ENOMEM;
 
@@ -3125,8 +3122,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
 				     exec_list[i].relocation_count *
 				     sizeof(**relocs));
 		if (ret != 0) {
-			drm_free(*relocs, reloc_count * sizeof(**relocs),
-				 DRM_MEM_DRIVER);
+			drm_free_large(*relocs);
 			*relocs = NULL;
 			return -EFAULT;
 		}
@@ -3165,7 +3161,7 @@ i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list,
 	}
 
 err:
-	drm_free(relocs, reloc_count * sizeof(*relocs), DRM_MEM_DRIVER);
+	drm_free_large(relocs);
 
 	return ret;
 }
@@ -3198,10 +3194,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 	/* Copy in the exec list from userland */
-	exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
-			       DRM_MEM_DRIVER);
-	object_list = drm_calloc(sizeof(*object_list), args->buffer_count,
-				 DRM_MEM_DRIVER);
+	exec_list = drm_calloc_large(sizeof(*exec_list), args->buffer_count);
+	object_list = drm_calloc_large(sizeof(*object_list), args->buffer_count);
 	if (exec_list == NULL || object_list == NULL) {
 		DRM_ERROR("Failed to allocate exec or object list "
 			  "for %d buffers\n",
@@ -3462,10 +3456,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 	}
 
 pre_mutex_err:
-	drm_free(object_list, sizeof(*object_list) * args->buffer_count,
-		 DRM_MEM_DRIVER);
-	drm_free(exec_list, sizeof(*exec_list) * args->buffer_count,
-		 DRM_MEM_DRIVER);
+	drm_free_large(object_list);
+	drm_free_large(exec_list);
 	drm_free(cliprects, sizeof(*cliprects) * args->num_cliprects,
 		 DRM_MEM_DRIVER);
 

drivers/gpu/drm/i915/i915_reg.h

@@ -1410,16 +1410,33 @@
 
 /* Cursor A & B regs */
 #define CURACNTR		0x70080
+/* Old style CUR*CNTR flags (desktop 8xx) */
+#define   CURSOR_ENABLE		0x80000000
+#define   CURSOR_GAMMA_ENABLE	0x40000000
+#define   CURSOR_STRIDE_MASK	0x30000000
+#define   CURSOR_FORMAT_SHIFT	24
+#define   CURSOR_FORMAT_MASK	(0x07 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_2C	(0x00 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_3C	(0x01 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_4C	(0x02 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_ARGB	(0x04 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_XRGB	(0x05 << CURSOR_FORMAT_SHIFT)
+/* New style CUR*CNTR flags */
+#define   CURSOR_MODE		0x27
 #define   CURSOR_MODE_DISABLE   0x00
 #define   CURSOR_MODE_64_32B_AX 0x07
 #define   CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
+#define   MCURSOR_PIPE_SELECT	(1 << 28)
+#define   MCURSOR_PIPE_A	0x00
+#define   MCURSOR_PIPE_B	(1 << 28)
 #define   MCURSOR_GAMMA_ENABLE  (1 << 26)
 #define CURABASE		0x70084
 #define CURAPOS			0x70088
 #define   CURSOR_POS_MASK       0x007FF
 #define   CURSOR_POS_SIGN       0x8000
 #define   CURSOR_X_SHIFT        0
 #define   CURSOR_Y_SHIFT        16
+#define CURSIZE			0x700a0
 #define CURBCNTR		0x700c0
 #define CURBBASE		0x700c4
 #define CURBPOS			0x700c8

drivers/gpu/drm/i915/intel_bios.c

@@ -57,9 +57,43 @@ find_section(struct bdb_header *bdb, int section_id)
 	return NULL;
 }
 
-/* Try to find panel data */
 static void
-parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
+fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
+			struct lvds_dvo_timing *dvo_timing)
+{
+	panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
+		dvo_timing->hactive_lo;
+	panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
+		((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
+	panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
+		dvo_timing->hsync_pulse_width;
+	panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
+		((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+
+	panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
+		dvo_timing->vactive_lo;
+	panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
+		dvo_timing->vsync_off;
+	panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
+		dvo_timing->vsync_pulse_width;
+	panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
+		((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
+	panel_fixed_mode->clock = dvo_timing->clock * 10;
+	panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+
+	/* Some VBTs have bogus h/vtotal values */
+	if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
+		panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
+	if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
+		panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+
+	drm_mode_set_name(panel_fixed_mode);
+}
+
+/* Try to find integrated panel data */
+static void
+parse_lfp_panel_data(struct drm_i915_private *dev_priv,
+			    struct bdb_header *bdb)
 {
 	struct bdb_lvds_options *lvds_options;
 	struct bdb_lvds_lfp_data *lvds_lfp_data;
@@ -91,38 +125,45 @@ parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
 	panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
 				      DRM_MEM_DRIVER);
 
-	panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
-		dvo_timing->hactive_lo;
-	panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
-		((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
-	panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
-		dvo_timing->hsync_pulse_width;
-	panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
-		((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+	fill_detail_timing_data(panel_fixed_mode, dvo_timing);
 
-	panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
-		dvo_timing->vactive_lo;
-	panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
-		dvo_timing->vsync_off;
-	panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
-		dvo_timing->vsync_pulse_width;
-	panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
-		((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
-	panel_fixed_mode->clock = dvo_timing->clock * 10;
-	panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+	dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
 
-	/* Some VBTs have bogus h/vtotal values */
-	if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
-		panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
-	if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
-		panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+	DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
+	drm_mode_debug_printmodeline(panel_fixed_mode);
 
-	drm_mode_set_name(panel_fixed_mode);
+	return;
+}
+
+/* Try to find sdvo panel data */
+static void
+parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
+		      struct bdb_header *bdb)
+{
+	struct bdb_sdvo_lvds_options *sdvo_lvds_options;
+	struct lvds_dvo_timing *dvo_timing;
+	struct drm_display_mode *panel_fixed_mode;
 
-	dev_priv->vbt_mode = panel_fixed_mode;
+	dev_priv->sdvo_lvds_vbt_mode = NULL;
 
-	DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
-	drm_mode_debug_printmodeline(panel_fixed_mode);
+	sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
+	if (!sdvo_lvds_options)
+		return;
+
+	dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
+	if (!dvo_timing)
+		return;
+
+	panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
+				      DRM_MEM_DRIVER);
+
+	if (!panel_fixed_mode)
+		return;
+
+	fill_detail_timing_data(panel_fixed_mode,
+			dvo_timing + sdvo_lvds_options->panel_type);
+
+	dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
 
 	return;
 }
@@ -199,7 +240,8 @@ intel_init_bios(struct drm_device *dev)
 
 	/* Grab useful general definitions */
 	parse_general_features(dev_priv, bdb);
-	parse_panel_data(dev_priv, bdb);
+	parse_lfp_panel_data(dev_priv, bdb);
+	parse_sdvo_panel_data(dev_priv, bdb);
 
 	pci_unmap_rom(pdev, bios);
 

drivers/gpu/drm/i915/intel_bios.h

@@ -279,6 +279,23 @@ struct vch_bdb_22 {
 	struct vch_panel_data panels[16];
 } __attribute__((packed));
 
+struct bdb_sdvo_lvds_options {
+	u8 panel_backlight;
+	u8 h40_set_panel_type;
+	u8 panel_type;
+	u8 ssc_clk_freq;
+	u16 als_low_trip;
+	u16 als_high_trip;
+	u8 sclalarcoeff_tab_row_num;
+	u8 sclalarcoeff_tab_row_size;
+	u8 coefficient[8];
+	u8 panel_misc_bits_1;
+	u8 panel_misc_bits_2;
+	u8 panel_misc_bits_3;
+	u8 panel_misc_bits_4;
+} __attribute__((packed));
+
+
 bool intel_init_bios(struct drm_device *dev);
 
 /*