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Message-Id: <1370364959-9475-33-git-send-email-kamal@canonical.com>
Date: Tue, 4 Jun 2013 09:55:16 -0700
From: Kamal Mostafa <kamal@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: Niels Ole Salscheider <niels_ole@...scheider-online.de>,
Alex Deucher <alexander.deucher@....com>,
Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 32/75] drm/radeon: Fix VRAM size calculation for VRAM >= 4GB
3.8.13.2 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Niels Ole Salscheider <niels_ole@...scheider-online.de>
commit fc986034540102cd090237bf3f70262e1ae80d9c upstream.
Add ULL prefix to avoid overflow.
Signed-off-by: Niels Ole Salscheider <niels_ole@...scheider-online.de>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
drivers/gpu/drm/radeon/evergreen.c | 4 ++--
drivers/gpu/drm/radeon/radeon_ttm.c | 2 +-
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 90dc470..b336afc 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2400,8 +2400,8 @@ 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 93f760e..6c0ce89 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -726,7 +726,7 @@ 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 40d766e..2972782 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2411,8 +2411,8 @@ 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);
--
1.8.1.2
--
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