From: Alex Deucher Date: Thu, 31 Mar 2016 20:41:32 +0000 (-0400) Subject: drm/amdgpu/gmc: use proper register for vram type on Fiji X-Git-Tag: v4.6~139^2~1^2~14 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b634de4f446c062a0c95ec4d150b4cf7c85e3526;p=platform%2Fkernel%2Flinux-amlogic.git drm/amdgpu/gmc: use proper register for vram type on Fiji The offset changed on Fiji. Reviewed-by: Harish Kasiviswanathan Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 2611e853..02deb32 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -873,6 +873,8 @@ 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; @@ -882,7 +884,12 @@ 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); }