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path: root/drivers/gpu/drm/radeon/r100.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r--drivers/gpu/drm/radeon/r100.c93
1 files changed, 32 insertions, 61 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index bc7d9e9211c8..1fdd793343b9 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -202,9 +202,8 @@ int r100_pci_gart_enable(struct radeon_device *rdev)
tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
WREG32(RADEON_AIC_CNTL, tmp);
/* set address range for PCI address translate */
- WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location);
- tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
- WREG32(RADEON_AIC_HI_ADDR, tmp);
+ WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
+ WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
/* set PCI GART page-table base address */
WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
@@ -1957,17 +1956,17 @@ static u32 r100_get_accessible_vram(struct radeon_device *rdev)
void r100_vram_init_sizes(struct radeon_device *rdev)
{
u64 config_aper_size;
- u32 accessible;
+ /* work out accessible VRAM */
+ rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
+ rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
+ rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
-
if (rdev->flags & RADEON_IS_IGP) {
uint32_t tom;
/* read NB_TOM to get the amount of ram stolen for the GPU */
tom = RREG32(RADEON_NB_TOM);
rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
- /* for IGPs we need to keep VRAM where it was put by the BIOS */
- rdev->mc.vram_location = (tom & 0xffff) << 16;
WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
} else {
@@ -1979,30 +1978,19 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
rdev->mc.real_vram_size = 8192 * 1024;
WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
}
- /* let driver place VRAM */
- rdev->mc.vram_location = 0xFFFFFFFFUL;
- /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
- * Novell bug 204882 + along with lots of ubuntu ones */
+ /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
+ * Novell bug 204882 + along with lots of ubuntu ones
+ */
if (config_aper_size > rdev->mc.real_vram_size)
rdev->mc.mc_vram_size = config_aper_size;
else
rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
}
-
- /* work out accessible VRAM */
- accessible = r100_get_accessible_vram(rdev);
-
- rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
- rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
-
- if (accessible > rdev->mc.aper_size)
- accessible = rdev->mc.aper_size;
-
- if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+ /* FIXME remove this once we support unmappable VRAM */
+ if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;
-
- if (rdev->mc.real_vram_size > rdev->mc.aper_size)
rdev->mc.real_vram_size = rdev->mc.aper_size;
+ }
}
void r100_vga_set_state(struct radeon_device *rdev, bool state)
@@ -2019,11 +2007,18 @@ void r100_vga_set_state(struct radeon_device *rdev, bool state)
WREG32(RADEON_CONFIG_CNTL, temp);
}
-void r100_vram_info(struct radeon_device *rdev)
+void r100_mc_init(struct radeon_device *rdev)
{
- r100_vram_get_type(rdev);
+ u64 base;
+ r100_vram_get_type(rdev);
r100_vram_init_sizes(rdev);
+ base = rdev->mc.aper_base;
+ if (rdev->flags & RADEON_IS_IGP)
+ base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
+ radeon_vram_location(rdev, &rdev->mc, base);
+ if (!(rdev->flags & RADEON_IS_AGP))
+ radeon_gtt_location(rdev, &rdev->mc);
}
@@ -3294,10 +3289,9 @@ void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
{
/* Update base address for crtc */
- WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_location);
+ WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
- WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR,
- rdev->mc.vram_location);
+ WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
}
/* Restore CRTC registers */
WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
@@ -3458,32 +3452,6 @@ void r100_fini(struct radeon_device *rdev)
rdev->bios = NULL;
}
-int r100_mc_init(struct radeon_device *rdev)
-{
- int r;
- u32 tmp;
-
- /* Setup GPU memory space */
- rdev->mc.vram_location = 0xFFFFFFFFUL;
- rdev->mc.gtt_location = 0xFFFFFFFFUL;
- if (rdev->flags & RADEON_IS_IGP) {
- tmp = G_00015C_MC_FB_START(RREG32(R_00015C_NB_TOM));
- rdev->mc.vram_location = tmp << 16;
- }
- if (rdev->flags & RADEON_IS_AGP) {
- r = radeon_agp_init(rdev);
- if (r) {
- radeon_agp_disable(rdev);
- } else {
- rdev->mc.gtt_location = rdev->mc.agp_base;
- }
- }
- r = radeon_mc_setup(rdev);
- if (r)
- return r;
- return 0;
-}
-
int r100_init(struct radeon_device *rdev)
{
int r;
@@ -3526,12 +3494,15 @@ int r100_init(struct radeon_device *rdev)
radeon_get_clock_info(rdev->ddev);
/* Initialize power management */
radeon_pm_init(rdev);
- /* Get vram informations */
- r100_vram_info(rdev);
- /* Initialize memory controller (also test AGP) */
- r = r100_mc_init(rdev);
- if (r)
- return r;
+ /* initialize AGP */
+ if (rdev->flags & RADEON_IS_AGP) {
+ r = radeon_agp_init(rdev);
+ if (r) {
+ radeon_agp_disable(rdev);
+ }
+ }
+ /* initialize VRAM */
+ r100_mc_init(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
if (r)