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authorAlex Deucher <[email protected]>2025-02-18 17:07:48 +0000
committerAlex Deucher <[email protected]>2025-04-08 20:48:22 +0000
commitf091fa777b24c189523db1ea626434ad6ff29799 (patch)
treecc40f8d7874c425c5d568fee37b63a066a0131b1 /drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
parentdrm/amdgpu: add ring flag for no user submissions (diff)
downloadkernel-f091fa777b24c189523db1ea626434ad6ff29799.tar.gz
kernel-f091fa777b24c189523db1ea626434ad6ff29799.zip
drm/amdgpu/gfx: add generic handling for disable_kq
Add proper checks for disable_kq functionality in gfx helper functions. Add special logic for families that require the clear state setup. v2: use ring count as per Felix suggestion v3: fix num_gfx_rings handling in amdgpu_gfx_graphics_queue_acquire() v4: fix error code (Alex) Reviewed-by: Prike Liang <[email protected]> Reviewed-by: Sunil Khatri <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index f64675b2ab75..0f84e5afd564 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -259,8 +259,9 @@ void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev)
}
/* update the number of active graphics rings */
- adev->gfx.num_gfx_rings =
- bitmap_weight(adev->gfx.me.queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
+ if (adev->gfx.num_gfx_rings)
+ adev->gfx.num_gfx_rings =
+ bitmap_weight(adev->gfx.me.queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
}
static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev,
@@ -1545,6 +1546,9 @@ static ssize_t amdgpu_gfx_set_run_cleaner_shader(struct device *dev,
if (adev->in_suspend && !adev->in_runpm)
return -EPERM;
+ if (adev->gfx.disable_kq)
+ return -EPERM;
+
ret = kstrtol(buf, 0, &value);
if (ret)