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Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel…
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…/git/airlied/drm-2.6

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon: fix problem with changing active VRAM size. (v2)
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Linus Torvalds committed Mar 14, 2011
2 parents 786c58b + 5359533 commit 215fd2f
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Showing 11 changed files with 28 additions and 17 deletions.
3 changes: 1 addition & 2 deletions drivers/gpu/drm/radeon/evergreen.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2194,7 +2194,6 @@ int evergreen_mc_init(struct radeon_device *rdev)
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
}
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
r700_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);

Expand Down Expand Up @@ -2934,7 +2933,7 @@ static int evergreen_startup(struct radeon_device *rdev)
/* XXX: ontario has problems blitting to gart at the moment */
if (rdev->family == CHIP_PALM) {
rdev->asic->copy = NULL;
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
}

/* allocate wb buffer */
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4 changes: 2 additions & 2 deletions drivers/gpu/drm/radeon/evergreen_blit_kms.c
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Expand Up @@ -623,15 +623,15 @@ int evergreen_blit_init(struct radeon_device *rdev)
dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
return r;
}
rdev->mc.active_vram_size = rdev->mc.real_vram_size;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
return 0;
}

void evergreen_blit_fini(struct radeon_device *rdev)
{
int r;

rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
if (rdev->r600_blit.shader_obj == NULL)
return;
/* If we can't reserve the bo, unref should be enough to destroy
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5 changes: 2 additions & 3 deletions drivers/gpu/drm/radeon/r100.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1024,7 +1024,7 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
return r;
}
rdev->cp.ready = true;
rdev->mc.active_vram_size = rdev->mc.real_vram_size;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
return 0;
}

Expand All @@ -1042,7 +1042,7 @@ void r100_cp_fini(struct radeon_device *rdev)
void r100_cp_disable(struct radeon_device *rdev)
{
/* Disable ring */
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
rdev->cp.ready = false;
WREG32(RADEON_CP_CSQ_MODE, 0);
WREG32(RADEON_CP_CSQ_CNTL, 0);
Expand Down Expand Up @@ -2312,7 +2312,6 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
/* FIXME we don't use the second aperture yet when we could use it */
if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
if (rdev->flags & RADEON_IS_IGP) {
uint32_t tom;
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3 changes: 1 addition & 2 deletions drivers/gpu/drm/radeon/r600.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1255,7 +1255,6 @@ int r600_mc_init(struct radeon_device *rdev)
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
r600_vram_gtt_location(rdev, &rdev->mc);

if (rdev->flags & RADEON_IS_IGP) {
Expand Down Expand Up @@ -1937,7 +1936,7 @@ void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
*/
void r600_cp_stop(struct radeon_device *rdev)
{
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
WREG32(SCRATCH_UMSK, 0);
}
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4 changes: 2 additions & 2 deletions drivers/gpu/drm/radeon/r600_blit_kms.c
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Original file line number Diff line number Diff line change
Expand Up @@ -558,15 +558,15 @@ int r600_blit_init(struct radeon_device *rdev)
dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
return r;
}
rdev->mc.active_vram_size = rdev->mc.real_vram_size;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
return 0;
}

void r600_blit_fini(struct radeon_device *rdev)
{
int r;

rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
if (rdev->r600_blit.shader_obj == NULL)
return;
/* If we can't reserve the bo, unref should be enough to destroy
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2 changes: 1 addition & 1 deletion drivers/gpu/drm/radeon/radeon.h
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Original file line number Diff line number Diff line change
Expand Up @@ -345,7 +345,6 @@ struct radeon_mc {
* about vram size near mc fb location */
u64 mc_vram_size;
u64 visible_vram_size;
u64 active_vram_size;
u64 gtt_size;
u64 gtt_start;
u64 gtt_end;
Expand Down Expand Up @@ -1448,6 +1447,7 @@ extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *m
extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
extern int radeon_resume_kms(struct drm_device *dev);
extern int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);

/* r600, rv610, rv630, rv620, rv635, rv670, rs780, rs880 */
extern bool r600_card_posted(struct radeon_device *rdev);
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5 changes: 4 additions & 1 deletion drivers/gpu/drm/radeon/radeon_gem.c
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Original file line number Diff line number Diff line change
Expand Up @@ -156,9 +156,12 @@ int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
{
struct radeon_device *rdev = dev->dev_private;
struct drm_radeon_gem_info *args = data;
struct ttm_mem_type_manager *man;

man = &rdev->mman.bdev.man[TTM_PL_VRAM];

args->vram_size = rdev->mc.real_vram_size;
args->vram_visible = rdev->mc.real_vram_size;
args->vram_visible = (u64)man->size << PAGE_SHIFT;
if (rdev->stollen_vga_memory)
args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
args->vram_visible -= radeon_fbdev_total_size(rdev);
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14 changes: 14 additions & 0 deletions drivers/gpu/drm/radeon/radeon_ttm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -589,6 +589,20 @@ void radeon_ttm_fini(struct radeon_device *rdev)
DRM_INFO("radeon: ttm finalized\n");
}

/* this should only be called at bootup or when userspace
* isn't running */
void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size)
{
struct ttm_mem_type_manager *man;

if (!rdev->mman.initialized)
return;

man = &rdev->mman.bdev.man[TTM_PL_VRAM];
/* this just adjusts TTM size idea, which sets lpfn to the correct value */
man->size = size >> PAGE_SHIFT;
}

static struct vm_operations_struct radeon_ttm_vm_ops;
static const struct vm_operations_struct *ttm_vm_ops = NULL;

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1 change: 0 additions & 1 deletion drivers/gpu/drm/radeon/rs600.c
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Original file line number Diff line number Diff line change
Expand Up @@ -751,7 +751,6 @@ void rs600_mc_init(struct radeon_device *rdev)
rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
base = RREG32_MC(R_000004_MC_FB_LOCATION);
base = G_000004_MC_FB_START(base) << 16;
Expand Down
1 change: 0 additions & 1 deletion drivers/gpu/drm/radeon/rs690.c
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Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,6 @@ void rs690_mc_init(struct radeon_device *rdev)
rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
base = G_000100_MC_FB_START(base) << 16;
rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
Expand Down
3 changes: 1 addition & 2 deletions drivers/gpu/drm/radeon/rv770.c
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Original file line number Diff line number Diff line change
Expand Up @@ -307,7 +307,7 @@ static void rv770_mc_program(struct radeon_device *rdev)
*/
void r700_cp_stop(struct radeon_device *rdev)
{
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
WREG32(SCRATCH_UMSK, 0);
}
Expand Down Expand Up @@ -1123,7 +1123,6 @@ int rv770_mc_init(struct radeon_device *rdev)
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
r700_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);

Expand Down

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