summaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
authorAlex Deucher <alexdeucher@gmail.com>2009-12-03 16:28:02 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-18 14:04:38 -0800
commite582ed67311ec17b343f21b82fc40de4d35fff3e (patch)
tree0ee7bc5eaaf0107aba5726c4d97fcacd1b109068 /drivers/gpu
parent3234b70ff908ed6479481027456fdd9826f56937 (diff)
drm/radeon/kms: rs6xx/rs740: clamp vram to aperture size
commit 0088dbdb809e8799cb8f26da5ac64b15201fa99d upstream. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/rs600.c9
-rw-r--r--drivers/gpu/drm/radeon/rs690.c9
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index c8d987d4d84e..4444f48c496e 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -301,9 +301,7 @@ int rs600_mc_wait_for_idle(struct radeon_device *rdev)
void rs600_gpu_init(struct radeon_device *rdev)
{
- /* FIXME: HDP same place on rs600 ? */
r100_hdp_reset(rdev);
- /* FIXME: is this correct ? */
r420_pipes_init(rdev);
/* Wait for mc idle */
if (rs600_mc_wait_for_idle(rdev))
@@ -312,7 +310,6 @@ void rs600_gpu_init(struct radeon_device *rdev)
void rs600_vram_info(struct radeon_device *rdev)
{
- /* FIXME: to do or is these values sane ? */
rdev->mc.vram_is_ddr = true;
rdev->mc.vram_width = 128;
@@ -321,6 +318,12 @@ void rs600_vram_info(struct radeon_device *rdev)
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+
+ 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 rs600_bandwidth_update(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 787584f55034..b12ff76c19d3 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -134,7 +134,7 @@ void rs690_vram_info(struct radeon_device *rdev)
fixed20_12 a;
rs400_gart_adjust_size(rdev);
- /* DDR for all card after R300 & IGP */
+
rdev->mc.vram_is_ddr = true;
rdev->mc.vram_width = 128;
@@ -143,6 +143,13 @@ void rs690_vram_info(struct radeon_device *rdev)
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+
+ 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;
+
rs690_pm_info(rdev);
/* FIXME: we should enforce default clock in case GPU is not in
* default setup