diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-09-24 10:56:55 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-09-24 11:01:24 -0400 |
| commit | 13c5bfdad758bddc199850c22246ddf26adcec1f (patch) | |
| tree | 303d03eb57ec1f5295fb11dca601b67d2e6521d9 | |
| parent | 99d79aa2f3b7729e7290e8bda5d0dd8b0240ec62 (diff) | |
| download | op-kernel-dev-13c5bfdad758bddc199850c22246ddf26adcec1f.zip op-kernel-dev-13c5bfdad758bddc199850c22246ddf26adcec1f.tar.gz | |
drm/radeon/cik: fix overflow in vram fetch
Missing ULL when calculating the amount of vram
leads to an overflow when the amount of vram is >= 4G.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/gpu/drm/radeon/cik.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 5e6802d..d02fd1c 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -4454,8 +4454,8 @@ static int cik_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); /* size in MB on si */ - rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; - rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; + rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; + rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; rdev->mc.visible_vram_size = rdev->mc.aper_size; si_vram_gtt_location(rdev, &rdev->mc); radeon_update_bandwidth_info(rdev); |
