diff options
author | Jack Xiao <Jack.Xiao@amd.com> | 2019-05-06 18:55:23 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-21 18:59:29 -0500 |
commit | bbd7a6535002289d3ddaf30b8377b492983712df (patch) | |
tree | dba9f6927e3a3d97d1f8fe17ba613d1b51bd108a /drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | |
parent | 2c195b6cac59e2d60b75ac20379a7a48f5185c2c (diff) |
drm/amdgpu/gfx10: require to pin/unpin CSIB BO when suspend/resume
CSIB BO is required to be pinned down to guarantee
bo is always valid when resume, and to be unpinned it
so that its content can be saved during suspend.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index b7b761f7e34e..1e67bf1f585d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -813,6 +813,39 @@ static int gfx_v10_0_rlc_init(struct amdgpu_device *adev) return 0; } +static int gfx_v10_0_csb_vram_pin(struct amdgpu_device *adev) +{ + int r; + + r = amdgpu_bo_reserve(adev->gfx.rlc.clear_state_obj, false); + if (unlikely(r != 0)) + return r; + + r = amdgpu_bo_pin(adev->gfx.rlc.clear_state_obj, + AMDGPU_GEM_DOMAIN_VRAM); + if (!r) + adev->gfx.rlc.clear_state_gpu_addr = + amdgpu_bo_gpu_offset(adev->gfx.rlc.clear_state_obj); + + amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj); + + return r; +} + +static void gfx_v10_0_csb_vram_unpin(struct amdgpu_device *adev) +{ + int r; + + if (!adev->gfx.rlc.clear_state_obj) + return; + + r = amdgpu_bo_reserve(adev->gfx.rlc.clear_state_obj, true); + if (likely(r == 0)) { + amdgpu_bo_unpin(adev->gfx.rlc.clear_state_obj); + amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj); + } +} + static void gfx_v10_0_mec_fini(struct amdgpu_device *adev) { amdgpu_bo_free_kernel(&adev->gfx.mec.hpd_eop_obj, NULL, NULL); @@ -3494,6 +3527,10 @@ static int gfx_v10_0_hw_init(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + r = gfx_v10_0_csb_vram_pin(adev); + if (r) + return r; + if (!amdgpu_emu_mode) gfx_v10_0_init_golden_registers(adev); @@ -3581,6 +3618,7 @@ static int gfx_v10_0_hw_fini(void *handle) } gfx_v10_0_cp_enable(adev, false); gfx_v10_0_enable_gui_idle_interrupt(adev, false); + gfx_v10_0_csb_vram_unpin(adev); return 0; } |