On Wed, Feb 18, 2015 at 7:19 AM, Christian König
<deathsimple@xxxxxxxxxxx> wrote:
> From: Leo Liu <leo.liu@xxxxxxx>
>
> v2: disable it on suspend
>
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Applied the whole series to my tree.
Thanks!
Alex
> ---
> drivers/gpu/drm/radeon/cik.c | 8 ++++++++
> drivers/gpu/drm/radeon/cikd.h | 4 ++++
> 2 files changed, 12 insertions(+)
>
> diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
> index e6a4ba2..0c993da 100644
> --- a/drivers/gpu/drm/radeon/cik.c
> +++ b/drivers/gpu/drm/radeon/cik.c
> @@ -3613,6 +3613,8 @@ static void cik_gpu_init(struct radeon_device *rdev)
> }
>
> WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
> + WREG32(SRBM_INT_CNTL, 0x1);
> + WREG32(SRBM_INT_ACK, 0x1);
>
> WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
>
> @@ -7230,6 +7232,8 @@ static void cik_disable_interrupt_state(struct radeon_device *rdev)
> WREG32(CP_ME2_PIPE3_INT_CNTL, 0);
> /* grbm */
> WREG32(GRBM_INT_CNTL, 0);
> + /* SRBM */
> + WREG32(SRBM_INT_CNTL, 0);
> /* vline/vblank, etc. */
> WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
> WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
> @@ -8046,6 +8050,10 @@ restart_ih:
> break;
> }
> break;
> + case 96:
> + DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
> + WREG32(SRBM_INT_ACK, 0x1);
> + break;
> case 124: /* UVD */
> DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
> radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
> diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
> index 03003f8..c648e19 100644
> --- a/drivers/gpu/drm/radeon/cikd.h
> +++ b/drivers/gpu/drm/radeon/cikd.h
> @@ -482,6 +482,10 @@
> #define SOFT_RESET_ORB (1 << 23)
> #define SOFT_RESET_VCE (1 << 24)
>
> +#define SRBM_READ_ERROR 0xE98
> +#define SRBM_INT_CNTL 0xEA0
> +#define SRBM_INT_ACK 0xEA8
> +
> #define VM_L2_CNTL 0x1400
> #define ENABLE_L2_CACHE (1 << 0)
> #define ENABLE_L2_FRAGMENT_PROCESSING (1 << 1)
> --
> 1.9.1
>
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