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authorAlex Deucher <alexander.deucher@amd.com>2016-03-31 16:41:32 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-04-20 15:41:56 +0900
commit40a8f74321fb892dec5757ca44ec3850bde26a24 (patch)
tree39d75145684da3b67bea86e444616713a94720bc /drivers/gpu
parent1e84f8b8dad8c270006b89385b4b60e1cc1ccf4c (diff)
drm/amdgpu/gmc: use proper register for vram type on Fiji
commit b634de4f446c062a0c95ec4d150b4cf7c85e3526 upstream. The offset changed on Fiji. Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index f035b5b99cb5..08423089fb84 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -862,6 +862,8 @@ static int gmc_v8_0_late_init(void *handle)
return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
}
+#define mmMC_SEQ_MISC0_FIJI 0xA71
+
static int gmc_v8_0_sw_init(void *handle)
{
int r;
@@ -875,7 +877,12 @@ static int gmc_v8_0_sw_init(void *handle)
if (adev->flags & AMD_IS_APU) {
adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
} else {
- u32 tmp = RREG32(mmMC_SEQ_MISC0);
+ u32 tmp;
+
+ if (adev->asic_type == CHIP_FIJI)
+ tmp = RREG32(mmMC_SEQ_MISC0_FIJI);
+ else
+ tmp = RREG32(mmMC_SEQ_MISC0);
tmp &= MC_SEQ_MISC0__MT__MASK;
adev->mc.vram_type = gmc_v8_0_convert_vram_type(tmp);
}