From 3e921f980fdd5b972efb7f368b2a847a01804184 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Fri, 27 Aug 2010 15:33:26 +0200 Subject: [PATCH] intel-gtt: generic intel_fake_agp_fetch_size This uses the new mappable gtt size detection from the previous patch. Signed-off-by: Daniel Vetter Signed-off-by: Chris Wilson --- drivers/char/agp/intel-gtt.c | 77 +++++++++++------------------------- 1 file changed, 24 insertions(+), 53 deletions(-) diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 932ede81e726..a997a202832e 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -815,6 +815,25 @@ static int intel_gtt_init(void) return 0; } +static int intel_fake_agp_fetch_size(void) +{ + unsigned int aper_size; + int i; + int num_sizes = ARRAY_SIZE(intel_i830_sizes); + + aper_size = (intel_private.base.gtt_mappable_entries << PAGE_SHIFT) + / MB(1); + + for (i = 0; i < num_sizes; i++) { + if (aper_size == intel_i830_sizes[i].size) { + agp_bridge->current_size = intel_i830_sizes + i; + return aper_size; + } + } + + return 0; +} + static void intel_i830_fini_flush(void) { kunmap(intel_private.i8xx_page); @@ -906,36 +925,6 @@ static int intel_i830_free_gatt_table(struct agp_bridge_data *bridge) return 0; } -static int intel_i830_fetch_size(void) -{ - u16 gmch_ctrl; - struct aper_size_info_fixed *values; - - values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); - - if (intel_private.bridge_dev->device != PCI_DEVICE_ID_INTEL_82830_HB && - intel_private.bridge_dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) { - /* 855GM/852GM/865G has 128MB aperture size */ - agp_bridge->current_size = (void *) values; - agp_bridge->aperture_size_idx = 0; - return values[0].size; - } - - pci_read_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, &gmch_ctrl); - - if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) { - agp_bridge->current_size = (void *) values; - agp_bridge->aperture_size_idx = 0; - return values[0].size; - } else { - agp_bridge->current_size = (void *) (values + 1); - agp_bridge->aperture_size_idx = 1; - return values[1].size; - } - - return 0; -} - static int intel_i830_configure(void) { struct aper_size_info_fixed *current_size; @@ -1283,24 +1272,6 @@ static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start, * described in the spec of the MSAC registers is just changing of the * resource size. */ -static int intel_i9xx_fetch_size(void) -{ - int num_sizes = ARRAY_SIZE(intel_i830_sizes); - int aper_size; /* size in megabytes */ - int i; - - aper_size = pci_resource_len(intel_private.pcidev, 2) / MB(1); - - for (i = 0; i < num_sizes; i++) { - if (aper_size == intel_i830_sizes[i].size) { - agp_bridge->current_size = intel_i830_sizes + i; - return aper_size; - } - } - - return 0; -} - static int intel_i915_get_gtt_size(void) { int size; @@ -1542,7 +1513,7 @@ static const struct agp_bridge_driver intel_830_driver = { .num_aperture_sizes = 4, .needs_scratch_page = true, .configure = intel_i830_configure, - .fetch_size = intel_i830_fetch_size, + .fetch_size = intel_fake_agp_fetch_size, .cleanup = intel_i830_cleanup, .mask_memory = intel_i810_mask_memory, .masks = intel_i810_masks, @@ -1569,7 +1540,7 @@ static const struct agp_bridge_driver intel_915_driver = { .num_aperture_sizes = 4, .needs_scratch_page = true, .configure = intel_i9xx_configure, - .fetch_size = intel_i9xx_fetch_size, + .fetch_size = intel_fake_agp_fetch_size, .cleanup = intel_i915_cleanup, .mask_memory = intel_i810_mask_memory, .masks = intel_i810_masks, @@ -1602,7 +1573,7 @@ static const struct agp_bridge_driver intel_i965_driver = { .num_aperture_sizes = 4, .needs_scratch_page = true, .configure = intel_i9xx_configure, - .fetch_size = intel_i9xx_fetch_size, + .fetch_size = intel_fake_agp_fetch_size, .cleanup = intel_i915_cleanup, .mask_memory = intel_i965_mask_memory, .masks = intel_i810_masks, @@ -1635,7 +1606,7 @@ static const struct agp_bridge_driver intel_gen6_driver = { .num_aperture_sizes = 4, .needs_scratch_page = true, .configure = intel_i9xx_configure, - .fetch_size = intel_i9xx_fetch_size, + .fetch_size = intel_fake_agp_fetch_size, .cleanup = intel_i915_cleanup, .mask_memory = intel_gen6_mask_memory, .masks = intel_gen6_masks, @@ -1668,7 +1639,7 @@ static const struct agp_bridge_driver intel_g33_driver = { .num_aperture_sizes = 4, .needs_scratch_page = true, .configure = intel_i9xx_configure, - .fetch_size = intel_i9xx_fetch_size, + .fetch_size = intel_fake_agp_fetch_size, .cleanup = intel_i915_cleanup, .mask_memory = intel_i965_mask_memory, .masks = intel_i810_masks, -- 2.39.5