github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-25 23:52:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amdgpu/sdma: Introduce is_guilty callbacks for sdma GFX and PAGE rings

Browse Source 
This patch introduces the `is_guilty` callbacks for the GFX and PAGE rings.
These callbacks check if a ring is guilty of causing a timeout or error.

Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jesse.zhang@amd.com 2025-02-13 10:51:38 +08:00 committed by Alex Deucher
parent 4d3c4f4f7f
commit 0ad649321a
1 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
View File

@ -1606,6 +1606,34 @@ static int sdma_v4_4_2_soft_reset(struct amdgpu_ip_block *ip_block)
return 0;
}
static bool sdma_v4_4_2_is_queue_selected(struct amdgpu_device *adev, uint32_t instance_id, bool is_page_queue)
{
uint32_t reg_offset = is_page_queue ? regSDMA_PAGE_CONTEXT_STATUS : regSDMA_GFX_CONTEXT_STATUS;
uint32_t context_status = RREG32(sdma_v4_4_2_get_reg_offset(adev, instance_id, reg_offset));
/* Check if the SELECTED bit is set */
return (context_status & SDMA_GFX_CONTEXT_STATUS__SELECTED_MASK) != 0;
}
static bool sdma_v4_4_2_ring_is_guilty(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t instance_id = ring->me;
return sdma_v4_4_2_is_queue_selected(adev, instance_id, false);
}
static bool sdma_v4_4_2_page_ring_is_guilty(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t instance_id = ring->me;
if (!adev->sdma.has_page_queue)
return false;
return sdma_v4_4_2_is_queue_selected(adev, instance_id, true);
}
static int sdma_v4_4_2_reset_queue(struct amdgpu_ring *ring, unsigned int vmid)
{
struct amdgpu_device *adev = ring->adev;
@ -2055,6 +2083,7 @@ static const struct amdgpu_ring_funcs sdma_v4_4_2_ring_funcs = {
.emit_reg_wait = sdma_v4_4_2_ring_emit_reg_wait,
.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
.reset = sdma_v4_4_2_reset_queue,
.is_guilty = sdma_v4_4_2_ring_is_guilty,
};
static const struct amdgpu_ring_funcs sdma_v4_4_2_page_ring_funcs = {
@ -2086,6 +2115,7 @@ static const struct amdgpu_ring_funcs sdma_v4_4_2_page_ring_funcs = {
.emit_wreg = sdma_v4_4_2_ring_emit_wreg,
.emit_reg_wait = sdma_v4_4_2_ring_emit_reg_wait,
.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
.is_guilty = sdma_v4_4_2_page_ring_is_guilty,
};
static void sdma_v4_4_2_set_ring_funcs(struct amdgpu_device *adev)