diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2010-08-24 20:18:41 (GMT) |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-08 20:20:07 (GMT) |
commit | 0ade638655f0ef4d807295c14a4c97544bd6b9ca (patch) | |
tree | 23ddab04b976c4133e1528d3be2aaa53d9e195d7 | |
parent | e2404e7c3fe6f46e161edf085c6d9bea06ebe488 (diff) | |
download | linux-0ade638655f0ef4d807295c14a4c97544bd6b9ca.tar.xz |
intel-gtt: introduce drm/intel-gtt.h
Add a few definitions to it that are already shared and that will
be shared in the future (like the number of stolen entries).
No functional changes in here.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
-rw-r--r-- | drivers/char/agp/intel-gtt.c | 42 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
-rw-r--r-- | include/drm/intel-gtt.h | 18 |
4 files changed, 38 insertions, 25 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 72f9376..0a3e91b 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -25,6 +25,7 @@ #include "agp.h" #include "intel-agp.h" #include <linux/intel-gtt.h> +#include <drm/intel-gtt.h> /* * If we have Intel graphics, we're not going to have anything other than @@ -81,17 +82,11 @@ static struct gatt_mask intel_gen6_masks[] = }; static struct _intel_private { + struct intel_gtt base; struct pci_dev *pcidev; /* device one */ u8 __iomem *registers; u32 __iomem *gtt; /* I915G */ int num_dcache_entries; - /* gtt_entries is the number of gtt entries that are already mapped - * to stolen memory. Stolen memory is larger than the memory mapped - * through gtt_entries, as it includes some reserved space for the BIOS - * popup and for the GTT. - */ - int gtt_entries; /* i830+ */ - int gtt_total_size; union { void __iomem *i9xx_flush_page; void *i8xx_flush_page; @@ -772,7 +767,7 @@ static void intel_i830_init_gtt_entries(void) gtt_entries = 0; } - intel_private.gtt_entries = gtt_entries; + intel_private.base.gtt_stolen_entries = gtt_entries; } static void intel_i830_fini_flush(void) @@ -849,7 +844,7 @@ static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge) /* we have to call this as early as possible after the MMIO base address is known */ intel_i830_init_gtt_entries(); - if (intel_private.gtt_entries == 0) { + if (intel_private.base.gtt_stolen_entries == 0) { iounmap(intel_private.registers); return -ENOMEM; } @@ -919,7 +914,7 @@ static int intel_i830_configure(void) readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ if (agp_bridge->driver->needs_scratch_page) { - for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { + for (i = intel_private.base.gtt_stolen_entries; i < current_size->num_entries; i++) { writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); } readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */ @@ -950,10 +945,10 @@ static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start, temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; - if (pg_start < intel_private.gtt_entries) { + if (pg_start < intel_private.base.gtt_stolen_entries) { dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, - "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", - pg_start, intel_private.gtt_entries); + "pg_start == 0x%.8lx, gtt_stolen_entries == 0x%.8x\n", + pg_start, intel_private.base.gtt_stolen_entries); dev_info(&intel_private.pcidev->dev, "trying to insert into local/stolen memory\n"); @@ -1001,7 +996,7 @@ static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start, if (mem->page_count == 0) return 0; - if (pg_start < intel_private.gtt_entries) { + if (pg_start < intel_private.base.gtt_stolen_entries) { dev_info(&intel_private.pcidev->dev, "trying to disable local/stolen memory\n"); return -EINVAL; @@ -1136,7 +1131,8 @@ static int intel_i9xx_configure(void) readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ if (agp_bridge->driver->needs_scratch_page) { - for (i = intel_private.gtt_entries; i < intel_private.gtt_total_size; i++) { + for (i = intel_private.base.gtt_stolen_entries; i < + intel_private.base.gtt_total_entries; i++) { writel(agp_bridge->scratch_page, intel_private.gtt+i); } readl(intel_private.gtt+i-1); /* PCI Posting. */ @@ -1181,10 +1177,10 @@ static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start, temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; - if (pg_start < intel_private.gtt_entries) { + if (pg_start < intel_private.base.gtt_stolen_entries) { dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, - "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", - pg_start, intel_private.gtt_entries); + "pg_start == 0x%.8lx, gtt_stolen_entries == 0x%.8x\n", + pg_start, intel_private.base.gtt_stolen_entries); dev_info(&intel_private.pcidev->dev, "trying to insert into local/stolen memory\n"); @@ -1227,7 +1223,7 @@ static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start, if (mem->page_count == 0) return 0; - if (pg_start < intel_private.gtt_entries) { + if (pg_start < intel_private.base.gtt_stolen_entries) { dev_info(&intel_private.pcidev->dev, "trying to disable local/stolen memory\n"); return -EINVAL; @@ -1323,7 +1319,7 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) if (!intel_private.gtt) return -ENOMEM; - intel_private.gtt_total_size = gtt_map_size / 4; + intel_private.base.gtt_total_entries = gtt_map_size / 4; temp &= 0xfff80000; @@ -1338,7 +1334,7 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) /* we have to call this as early as possible after the MMIO base address is known */ intel_i830_init_gtt_entries(); - if (intel_private.gtt_entries == 0) { + if (intel_private.base.gtt_stolen_entries == 0) { iounmap(intel_private.gtt); iounmap(intel_private.registers); return -ENOMEM; @@ -1449,7 +1445,7 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) if (!intel_private.gtt) return -ENOMEM; - intel_private.gtt_total_size = gtt_size / 4; + intel_private.base.gtt_total_entries = gtt_size / 4; intel_private.registers = ioremap(temp, 128 * 4096); if (!intel_private.registers) { @@ -1462,7 +1458,7 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) /* we have to call this as early as possible after the MMIO base address is known */ intel_i830_init_gtt_entries(); - if (intel_private.gtt_entries == 0) { + if (intel_private.base.gtt_stolen_entries == 0) { iounmap(intel_private.gtt); iounmap(intel_private.registers); return -ENOMEM; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 8d52f01..47228cb16 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -42,8 +42,6 @@ #include <linux/slab.h> #include <acpi/video.h> -extern int intel_max_stolen; /* from AGP driver */ - /** * Sets up the hardware status page for devices that need a physical address * in the register. diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index cfc8bfd..d825ef2 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -34,6 +34,7 @@ #include "intel_bios.h" #include "intel_ringbuffer.h" #include <linux/io-mapping.h> +#include <drm/intel-gtt.h> /* General customization: */ diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h new file mode 100644 index 0000000..6769cb7 --- /dev/null +++ b/include/drm/intel-gtt.h @@ -0,0 +1,18 @@ +/* Common header for intel-gtt.ko and i915.ko */ + +#ifndef _DRM_INTEL_GTT_H +#define _DRM_INTEL_GTT_H +extern int intel_max_stolen; /* from AGP driver */ + +struct intel_gtt { + /* Number of stolen gtt entries at the beginning. */ + unsigned int gtt_stolen_entries; + /* Total number of gtt entries. */ + unsigned int gtt_total_entries; + /* Part of the gtt that is mappable by the cpu, for those chips where + * this is not the full gtt. */ + unsigned int gtt_mappable_entries; +}; + +#endif + |