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| author |   Xiaojie Yuan <xiaojie.yuan@amd.com> | 2019-10-29 16:59:09 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-11-22 14:35:10 -0500 |
| commit | 0900a9efdb79097dac253a67f6c4fe0a42b2508d (patch) | |
| tree | 464a4371fa5e3e2966d93736884b2439f0f3232f /drivers/gpu | |
| parent | Merge tag 'drm-misc-next-fixes-2019-11-20' of git://anongit.freedesktop.org/drm/drm-misc into drm-next (diff) | |
| download | linux-dev-0900a9efdb79097dac253a67f6c4fe0a42b2508d.tar.xz linux-dev-0900a9efdb79097dac253a67f6c4fe0a42b2508d.zip | |
drm/amdgpu/gfx10: fix mqd backup/restore for gfx rings (v2)
1. no need to allocate an extra member for 'mqd_backup' array
2. backup/restore mqd to/from the correct 'mqd_backup' array slot
v2: warning fix (Alex)
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 9 |
3 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index c9d1fada6188..f063a5c7bd8e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -455,7 +455,7 @@ void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev) ring = &adev->gfx.kiq.ring; if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) - kfree(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS]); + kfree(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS - 1]); kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]); amdgpu_bo_free_kernel(&ring->mqd_obj, &ring->mqd_gpu_addr, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h index a74ecd449775..0ae0a2715b0d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h @@ -225,7 +225,7 @@ struct amdgpu_me { uint32_t num_me; uint32_t num_pipe_per_me; uint32_t num_queue_per_pipe; - void *mqd_backup[AMDGPU_MAX_GFX_RINGS + 1]; + void *mqd_backup[AMDGPU_MAX_GFX_RINGS]; /* These are the resources for which amdgpu takes ownership */ DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index a93dd3dc0902..b1280120845f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -3114,6 +3114,7 @@ static int gfx_v10_0_gfx_init_queue(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; struct v10_gfx_mqd *mqd = ring->mqd_ptr; + int mqd_idx = ring - &adev->gfx.gfx_ring[0]; if (!adev->in_gpu_reset && !adev->in_suspend) { memset((void *)mqd, 0, sizeof(*mqd)); @@ -3125,12 +3126,12 @@ static int gfx_v10_0_gfx_init_queue(struct amdgpu_ring *ring) #endif nv_grbm_select(adev, 0, 0, 0, 0); mutex_unlock(&adev->srbm_mutex); - if (adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS]) - memcpy(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS], mqd, sizeof(*mqd)); + if (adev->gfx.me.mqd_backup[mqd_idx]) + memcpy(adev->gfx.me.mqd_backup[mqd_idx], mqd, sizeof(*mqd)); } else if (adev->in_gpu_reset) { /* reset mqd with the backup copy */ - if (adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS]) - memcpy(mqd, adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS], sizeof(*mqd)); + if (adev->gfx.me.mqd_backup[mqd_idx]) + memcpy(mqd, adev->gfx.me.mqd_backup[mqd_idx], sizeof(*mqd)); /* reset the ring */ ring->wptr = 0; adev->wb.wb[ring->wptr_offs] = 0; |