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| author | Alex Deucher <alexdeucher@gmail.com> | 2009-12-03 16:28:02 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-12-04 10:32:35 +1000 |
| commit | 0088dbdb809e8799cb8f26da5ac64b15201fa99d (patch) | |
| tree | 3d38533b297da8d47f663ffd79d7dd1cc3da31a5 /drivers/gpu | |
| parent | 722f29434e72188b2d20f9b41f4b5952073ed568 (diff) | |
| download | linux-0088dbdb809e8799cb8f26da5ac64b15201fa99d.tar.gz linux-0088dbdb809e8799cb8f26da5ac64b15201fa99d.tar.bz2 linux-0088dbdb809e8799cb8f26da5ac64b15201fa99d.zip | |
drm/radeon/kms: rs6xx/rs740: clamp vram to aperture size
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs600.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rs690.c | 9 |
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 00bc71fe98d1..c4bdfaf9b54c 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -306,9 +306,7 @@ 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)) @@ -317,7 +315,6 @@ 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; @@ -326,6 +323,12 @@ 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 81b8efcac4e8..30913c3b5ba1 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 |