From: Likun Gao <likun....@amd.com>
Remove unpin rlc clear_state_obj for gfx v8 when rlc init,
which will make Stoney pm_suspend hang.
Signed-off-by: Likun Gao <likun....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index d290718..0b73c6e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -1292,6 +1292,8 @@ static int gfx_v8_0_cp_jump_table_num(struct
amdgpu_device *adev)
static int gfx_v8_0_rlc_init(struct amdgpu_device *adev)
{
+ volatile u32 *dst_ptr;
+ u32 dws;
const struct cs_section_def *cs_data;
int r;
@@ -1300,10 +1302,24 @@ static int gfx_v8_0_rlc_init(struct amdgpu_device *adev)
cs_data = adev->gfx.rlc.cs_data;
if (cs_data) {
- /* init clear state block */
- r = amdgpu_gfx_rlc_init_csb(adev);
- if (r)
+ /* clear state block */
+ adev->gfx.rlc.clear_state_size = dws =
adev->gfx.rlc.funcs->get_csb_size(adev);
+ r = amdgpu_bo_create_reserved(adev, dws * 4, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ &adev->gfx.rlc.clear_state_obj,
+
&adev->gfx.rlc.clear_state_gpu_addr,
+ (void **)&adev->gfx.rlc.cs_ptr);
+ if (r) {
+ dev_warn(adev->dev, "(%d) create RLC c bo failed\n", r);
+ amdgpu_gfx_rlc_fini(adev);
return r;
+ }
+
+ /* set up the cs buffer */
+ dst_ptr = adev->gfx.rlc.cs_ptr;
+ adev->gfx.rlc.funcs->get_csb_buffer(adev, dst_ptr);
+ amdgpu_bo_kunmap(adev->gfx.rlc.clear_state_obj);
+ amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj);
}
if ((adev->asic_type == CHIP_CARRIZO) ||
--
2.7.4
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