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author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2010-08-29 00:15:03 +0200 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-08 22:20:16 +0200 |
commit | fdfb58a965486d2afea4ef0f9b8153dab9b98b2e (patch) | |
tree | a67a1feac243119c776344f5cac582269f018578 /drivers/char/agp | |
parent | intel-gtt: i965: use detected gtt size for mapping (diff) | |
download | linux-fdfb58a965486d2afea4ef0f9b8153dab9b98b2e.tar.xz linux-fdfb58a965486d2afea4ef0f9b8153dab9b98b2e.zip |
intel-gtt: i830: adjust ioremap of regs and gtt to i9xx
This way around this can be extracted into common code.
Also use a common cleanup function (and give it a generic name).
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/char/agp')
-rw-r--r-- | drivers/char/agp/intel-gtt.c | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index cd0fd1479e5d..7359fbe94428 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -883,6 +883,7 @@ static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge) int page_order, ret; struct aper_size_info_fixed *size; int num_entries; + int gtt_map_size; u32 temp; size = agp_bridge->current_size; @@ -893,10 +894,19 @@ static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge) pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); temp &= 0xfff80000; - intel_private.registers = ioremap(temp, 128 * 4096); + intel_private.registers = ioremap(temp, KB(64)); if (!intel_private.registers) return -ENOMEM; + intel_private.base.gtt_total_entries = intel_gtt_total_entries(); + gtt_map_size = intel_private.base.gtt_total_entries * 4; + + intel_private.gtt = ioremap(temp + I810_PTE_BASE, gtt_map_size); + if (!intel_private.gtt) { + iounmap(intel_private.registers); + return -ENOMEM; + } + temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; global_cache_flush(); /* FIXME: ?? */ @@ -940,9 +950,9 @@ static int intel_i830_configure(void) if (agp_bridge->driver->needs_scratch_page) { 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)); + writel(agp_bridge->scratch_page, intel_private.gtt+i); } - readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */ + readl(intel_private.gtt+i-1); /* PCI Posting. */ } global_cache_flush(); @@ -951,11 +961,6 @@ static int intel_i830_configure(void) return 0; } -static void intel_i830_cleanup(void) -{ - iounmap(intel_private.registers); -} - static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start, int type) { @@ -1002,9 +1007,9 @@ static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start, for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { writel(agp_bridge->driver->mask_memory(agp_bridge, page_to_phys(mem->pages[i]), mask_type), - intel_private.registers+I810_PTE_BASE+(j*4)); + intel_private.gtt+j); } - readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); + readl(intel_private.gtt+j-1); out: ret = 0; @@ -1028,9 +1033,9 @@ static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start, } for (i = pg_start; i < (mem->page_count + pg_start); i++) { - writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); + writel(agp_bridge->scratch_page, intel_private.gtt+i); } - readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); + readl(intel_private.gtt+i-1); return 0; } @@ -1171,7 +1176,7 @@ static int intel_i9xx_configure(void) return 0; } -static void intel_i915_cleanup(void) +static void intel_gtt_cleanup(void) { if (intel_private.i9xx_flush_page) iounmap(intel_private.i9xx_flush_page); @@ -1444,7 +1449,7 @@ static const struct agp_bridge_driver intel_830_driver = { .needs_scratch_page = true, .configure = intel_i830_configure, .fetch_size = intel_fake_agp_fetch_size, - .cleanup = intel_i830_cleanup, + .cleanup = intel_gtt_cleanup, .mask_memory = intel_i810_mask_memory, .masks = intel_i810_masks, .agp_enable = intel_fake_agp_enable, @@ -1471,7 +1476,7 @@ static const struct agp_bridge_driver intel_915_driver = { .needs_scratch_page = true, .configure = intel_i9xx_configure, .fetch_size = intel_fake_agp_fetch_size, - .cleanup = intel_i915_cleanup, + .cleanup = intel_gtt_cleanup, .mask_memory = intel_i810_mask_memory, .masks = intel_i810_masks, .agp_enable = intel_fake_agp_enable, @@ -1504,7 +1509,7 @@ static const struct agp_bridge_driver intel_i965_driver = { .needs_scratch_page = true, .configure = intel_i9xx_configure, .fetch_size = intel_fake_agp_fetch_size, - .cleanup = intel_i915_cleanup, + .cleanup = intel_gtt_cleanup, .mask_memory = intel_i965_mask_memory, .masks = intel_i810_masks, .agp_enable = intel_fake_agp_enable, @@ -1537,7 +1542,7 @@ static const struct agp_bridge_driver intel_gen6_driver = { .needs_scratch_page = true, .configure = intel_i9xx_configure, .fetch_size = intel_fake_agp_fetch_size, - .cleanup = intel_i915_cleanup, + .cleanup = intel_gtt_cleanup, .mask_memory = intel_gen6_mask_memory, .masks = intel_gen6_masks, .agp_enable = intel_fake_agp_enable, @@ -1570,7 +1575,7 @@ static const struct agp_bridge_driver intel_g33_driver = { .needs_scratch_page = true, .configure = intel_i9xx_configure, .fetch_size = intel_fake_agp_fetch_size, - .cleanup = intel_i915_cleanup, + .cleanup = intel_gtt_cleanup, .mask_memory = intel_i965_mask_memory, .masks = intel_i810_masks, .agp_enable = intel_fake_agp_enable, |