diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rs400.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs400.c | 56 |
1 files changed, 37 insertions, 19 deletions
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c index b29affd9c5d..a3fbdad938c 100644 --- a/drivers/gpu/drm/radeon/rs400.c +++ b/drivers/gpu/drm/radeon/rs400.c @@ -29,7 +29,6 @@ #include <drm/drmP.h> #include "radeon_reg.h" #include "radeon.h" -#include "radeon_share.h" /* rs400,rs480 depends on : */ void r100_hdp_reset(struct radeon_device *rdev); @@ -63,7 +62,7 @@ void rs400_gart_adjust_size(struct radeon_device *rdev) break; default: DRM_ERROR("Unable to use IGP GART size %uM\n", - rdev->mc.gtt_size >> 20); + (unsigned)(rdev->mc.gtt_size >> 20)); DRM_ERROR("Valid GART size for IGP are 32M,64M,128M,256M,512M,1G,2G\n"); DRM_ERROR("Forcing to 32M GART size\n"); rdev->mc.gtt_size = 32 * 1024 * 1024; @@ -93,20 +92,41 @@ void rs400_gart_tlb_flush(struct radeon_device *rdev) WREG32_MC(RS480_GART_CACHE_CNTRL, 0); } -int rs400_gart_enable(struct radeon_device *rdev) +int rs400_gart_init(struct radeon_device *rdev) { - uint32_t size_reg; - uint32_t tmp; int r; + if (rdev->gart.table.ram.ptr) { + WARN(1, "RS400 GART already initialized.\n"); + return 0; + } + /* Check gart size */ + switch(rdev->mc.gtt_size / (1024 * 1024)) { + case 32: + case 64: + case 128: + case 256: + case 512: + case 1024: + case 2048: + break; + default: + return -EINVAL; + } /* Initialize common gart structure */ r = radeon_gart_init(rdev); - if (r) { + if (r) return r; - } - if (rs400_debugfs_pcie_gart_info_init(rdev)) { + if (rs400_debugfs_pcie_gart_info_init(rdev)) DRM_ERROR("Failed to register debugfs file for RS400 GART !\n"); - } + rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; + return radeon_gart_table_ram_alloc(rdev); +} + +int rs400_gart_enable(struct radeon_device *rdev) +{ + uint32_t size_reg; + uint32_t tmp; tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH); tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS; @@ -137,13 +157,6 @@ int rs400_gart_enable(struct radeon_device *rdev) default: return -EINVAL; } - if (rdev->gart.table.ram.ptr == NULL) { - rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; - r = radeon_gart_table_ram_alloc(rdev); - if (r) { - return r; - } - } /* It should be fine to program it to max value */ if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) { WREG32_MC(RS690_MCCFG_AGP_BASE, 0xFFFFFFFF); @@ -202,6 +215,13 @@ void rs400_gart_disable(struct radeon_device *rdev) WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, 0); } +void rs400_gart_fini(struct radeon_device *rdev) +{ + rs400_gart_disable(rdev); + radeon_gart_table_ram_free(rdev); + radeon_gart_fini(rdev); +} + int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) { uint32_t entry; @@ -256,14 +276,12 @@ int rs400_mc_init(struct radeon_device *rdev) (void)RREG32(RADEON_HOST_PATH_CNTL); WREG32(RADEON_HOST_PATH_CNTL, tmp); (void)RREG32(RADEON_HOST_PATH_CNTL); + return 0; } void rs400_mc_fini(struct radeon_device *rdev) { - rs400_gart_disable(rdev); - radeon_gart_table_ram_free(rdev); - radeon_gart_fini(rdev); } |