diff options
Diffstat (limited to 'drivers/char/agp')
| -rw-r--r-- | drivers/char/agp/backend.c | 4 | ||||
| -rw-r--r-- | drivers/char/agp/hp-agp.c | 9 | ||||
| -rw-r--r-- | drivers/char/agp/intel-agp.c | 37 | ||||
| -rw-r--r-- | drivers/char/agp/uninorth-agp.c | 2 |
4 files changed, 36 insertions, 16 deletions
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c index ad87753f6de..a56ca080e10 100644 --- a/drivers/char/agp/backend.c +++ b/drivers/char/agp/backend.c @@ -114,9 +114,9 @@ static int agp_find_max(void) long memory, index, result; #if PAGE_SHIFT < 20 - memory = num_physpages >> (20 - PAGE_SHIFT); + memory = totalram_pages >> (20 - PAGE_SHIFT); #else - memory = num_physpages << (PAGE_SHIFT - 20); + memory = totalram_pages << (PAGE_SHIFT - 20); #endif index = 1; diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c index 501e293e5ad..9047b271465 100644 --- a/drivers/char/agp/hp-agp.c +++ b/drivers/char/agp/hp-agp.c @@ -476,7 +476,6 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret) { acpi_handle handle, parent; acpi_status status; - struct acpi_buffer buffer; struct acpi_device_info *info; u64 lba_hpa, sba_hpa, length; int match; @@ -488,13 +487,11 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret) /* Look for an enclosing IOC scope and find its CSR space */ handle = obj; do { - buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; - status = acpi_get_object_info(handle, &buffer); + status = acpi_get_object_info(handle, &info); if (ACPI_SUCCESS(status)) { /* TBD check _CID also */ - info = buffer.pointer; - info->hardware_id.value[sizeof(info->hardware_id)-1] = '\0'; - match = (strcmp(info->hardware_id.value, "HWP0001") == 0); + info->hardware_id.string[sizeof(info->hardware_id.length)-1] = '\0'; + match = (strcmp(info->hardware_id.string, "HWP0001") == 0); kfree(info); if (match) { status = hp_acpi_csr_space(handle, &sba_hpa, &length); diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 1540e693d91..4068467ce7b 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -46,6 +46,8 @@ #define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2 #define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0 #define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2 +#define PCI_DEVICE_ID_INTEL_B43_HB 0x2E40 +#define PCI_DEVICE_ID_INTEL_B43_IG 0x2E42 #define PCI_DEVICE_ID_INTEL_GM45_HB 0x2A40 #define PCI_DEVICE_ID_INTEL_GM45_IG 0x2A42 #define PCI_DEVICE_ID_INTEL_IGD_E_HB 0x2E00 @@ -91,6 +93,7 @@ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB || \ + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_B43_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_D_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_M_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_MA_HB) @@ -804,23 +807,39 @@ static void intel_i830_setup_flush(void) if (!intel_private.i8xx_page) return; - /* make page uncached */ - map_page_into_agp(intel_private.i8xx_page); - intel_private.i8xx_flush_page = kmap(intel_private.i8xx_page); if (!intel_private.i8xx_flush_page) intel_i830_fini_flush(); } +static void +do_wbinvd(void *null) +{ + wbinvd(); +} + +/* The chipset_flush interface needs to get data that has already been + * flushed out of the CPU all the way out to main memory, because the GPU + * doesn't snoop those buffers. + * + * The 8xx series doesn't have the same lovely interface for flushing the + * chipset write buffers that the later chips do. According to the 865 + * specs, it's 64 octwords, or 1KB. So, to get those previous things in + * that buffer out, we just fill 1KB and clflush it out, on the assumption + * that it'll push whatever was in there out. It appears to work. + */ static void intel_i830_chipset_flush(struct agp_bridge_data *bridge) { unsigned int *pg = intel_private.i8xx_flush_page; - int i; - for (i = 0; i < 256; i += 2) - *(pg + i) = i; + memset(pg, 0, 1024); - wmb(); + if (cpu_has_clflush) { + clflush_cache_range(pg, 1024); + } else { + if (on_each_cpu(do_wbinvd, NULL, 1) != 0) + printk(KERN_ERR "Timed out waiting for cache flush.\n"); + } } /* The intel i830 automatically initializes the agp aperture during POST. @@ -1341,6 +1360,7 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) case PCI_DEVICE_ID_INTEL_Q45_HB: case PCI_DEVICE_ID_INTEL_G45_HB: case PCI_DEVICE_ID_INTEL_G41_HB: + case PCI_DEVICE_ID_INTEL_B43_HB: case PCI_DEVICE_ID_INTEL_IGDNG_D_HB: case PCI_DEVICE_ID_INTEL_IGDNG_M_HB: case PCI_DEVICE_ID_INTEL_IGDNG_MA_HB: @@ -2335,6 +2355,8 @@ static const struct intel_driver_description { "Q45/Q43", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_G45_HB, PCI_DEVICE_ID_INTEL_G45_IG, 0, "G45/G43", NULL, &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_B43_HB, PCI_DEVICE_ID_INTEL_B43_IG, 0, + "B43", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_G41_HB, PCI_DEVICE_ID_INTEL_G41_IG, 0, "G41", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_IGDNG_D_HB, PCI_DEVICE_ID_INTEL_IGDNG_D_IG, 0, @@ -2535,6 +2557,7 @@ static struct pci_device_id agp_intel_pci_table[] = { ID(PCI_DEVICE_ID_INTEL_Q45_HB), ID(PCI_DEVICE_ID_INTEL_G45_HB), ID(PCI_DEVICE_ID_INTEL_G41_HB), + ID(PCI_DEVICE_ID_INTEL_B43_HB), ID(PCI_DEVICE_ID_INTEL_IGDNG_D_HB), ID(PCI_DEVICE_ID_INTEL_IGDNG_M_HB), ID(PCI_DEVICE_ID_INTEL_IGDNG_MA_HB), diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c index 20ef1bf5e72..703959eba45 100644 --- a/drivers/char/agp/uninorth-agp.c +++ b/drivers/char/agp/uninorth-agp.c @@ -270,7 +270,7 @@ static void uninorth_agp_enable(struct agp_bridge_data *bridge, u32 mode) if ((uninorth_rev >= 0x30) && (uninorth_rev <= 0x33)) { /* - * We need to to set REQ_DEPTH to 7 for U3 versions 1.0, 2.1, + * We need to set REQ_DEPTH to 7 for U3 versions 1.0, 2.1, * 2.2 and 2.3, Darwin do so. */ if ((command >> AGPSTAT_RQ_DEPTH_SHIFT) > 7) |