Reviewed-by: Jim Qu <[email protected]> Thanks JimQu
________________________________________ 发件人: amd-gfx <[email protected]> 代表 Alex Deucher <[email protected]> 发送时间: 2017年3月29日 0:21 收件人: [email protected] 抄送: Deucher, Alexander 主题: [PATCH] drm/amdgpu: refine the logic in amdgpu_need_post() We check the mem config register to make sure it's been programmed by the vbios to determine if we need to post so we check for a non-0 value. However, when the asic comes out of reset, we may see all ones here, so check for that too. Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 2a5af62..4bf1c8f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -719,7 +719,7 @@ bool amdgpu_need_post(struct amdgpu_device *adev) /* then check MEM_SIZE, in case the crtcs are off */ reg = amdgpu_asic_get_config_memsize(adev); - if (reg) + if ((reg != 0) && (reg != 0xffffffff)) return false; return true; -- 2.5.5 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
