4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit b634de4f446c062a0c95ec4d150b4cf7c85e3526 upstream.
The offset changed on Fiji.
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- 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 *hand
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);
}
--
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