diff options
| author | Niels Ole Salscheider <niels_ole@salscheider-online.de> | 2013-05-18 21:19:23 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2013-06-05 10:30:27 -0400 |
| commit | a86253bac070b729a8a0af31bfe8ea8cf1faa124 (patch) | |
| tree | 7ebbca310fc81c0b92172f97f32705d3f4f4f410 | |
| parent | 52ac4563c0b15938fc127a9f9bc690297dcc0a2c (diff) | |
drm/radeon: Fix VRAM size calculation for VRAM >= 4GB
[ Upstream commit fc986034540102cd090237bf3f70262e1ae80d9c ]
Add ULL prefix to avoid overflow.
Signed-off-by: Niels Ole Salscheider <niels_ole@salscheider-online.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ttm.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 5c23991009ef..5cec3173a6ab 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2272,8 +2272,8 @@ int evergreen_mc_init(struct radeon_device *rdev) rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); } else { /* size in MB on evergreen/cayman/tn */ - 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; r700_vram_gtt_location(rdev, &rdev->mc); diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 5b71c716d83f..7ba7d4bd774b 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -725,7 +725,7 @@ int radeon_ttm_init(struct radeon_device *rdev) return r; } DRM_INFO("radeon: %uM of VRAM memory ready\n", - (unsigned)rdev->mc.real_vram_size / (1024 * 1024)); + (unsigned) (rdev->mc.real_vram_size / (1024 * 1024))); r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT, rdev->mc.gtt_size >> PAGE_SHIFT); if (r) { diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index f2b256c9854c..7d0026bf00b1 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2343,8 +2343,8 @@ static int si_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); |