AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-30 12:06:41 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/radeon/kms: fix vram base calculation on rs780/rs880

Browse Source 
Avoid overflowing a 32 bit value.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-12-03 14:37:22 -05:00 committed by Dave Airlie
parent dd7cc55a25
commit 8961d52d4c
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/radeon/r600.c
View File

@ -1195,8 +1195,10 @@ void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
mc->vram_end, mc->real_vram_size >> 20);
} else {
u64 base = 0;
if (rdev->flags & RADEON_IS_IGP)
base = (RREG32(MC_VM_FB_LOCATION) & 0xFFFF) << 24;
if (rdev->flags & RADEON_IS_IGP) {
base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
base <<= 24;
}
radeon_vram_location(rdev, &rdev->mc, base);
rdev->mc.gtt_base_align = 0;
radeon_gtt_location(rdev, mc);