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authorPaolo Abeni <pabeni@redhat.com>2023-12-21 22:17:23 +0100
committerPaolo Abeni <pabeni@redhat.com>2023-12-21 22:17:23 +0100
commit56794e5358542b7c652f202946e53bfd2373b5e0 (patch)
treebf508c78138c8be82a2e306f2267d7ef6e3f79c3 /drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
parent5a78a8121c4d8e37035274c094e3af15fb79f004 (diff)
parent7c5e046bdcb2513f9decb3765d8bf92d604279cf (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Adjacent changes: drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c 23c93c3b6275 ("bnxt_en: do not map packet buffers twice") 6d1add95536b ("bnxt_en: Modify TX ring indexing logic.") tools/testing/selftests/net/Makefile 2258b666482d ("selftests: add vlan hw filter tests") a0bc96c0cd6e ("selftests: net: verify fq per-band packet limit") Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
index 83c240f741b5..0058f3f7cf6e 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
@@ -1643,6 +1643,32 @@ static void sdma_v5_2_get_clockgating_state(void *handle, u64 *flags)
*flags |= AMD_CG_SUPPORT_SDMA_LS;
}
+static void sdma_v5_2_ring_begin_use(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ /* SDMA 5.2.3 (RMB) FW doesn't seem to properly
+ * disallow GFXOFF in some cases leading to
+ * hangs in SDMA. Disallow GFXOFF while SDMA is active.
+ * We can probably just limit this to 5.2.3,
+ * but it shouldn't hurt for other parts since
+ * this GFXOFF will be disallowed anyway when SDMA is
+ * active, this just makes it explicit.
+ */
+ amdgpu_gfx_off_ctrl(adev, false);
+}
+
+static void sdma_v5_2_ring_end_use(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ /* SDMA 5.2.3 (RMB) FW doesn't seem to properly
+ * disallow GFXOFF in some cases leading to
+ * hangs in SDMA. Allow GFXOFF when SDMA is complete.
+ */
+ amdgpu_gfx_off_ctrl(adev, true);
+}
+
const struct amd_ip_funcs sdma_v5_2_ip_funcs = {
.name = "sdma_v5_2",
.early_init = sdma_v5_2_early_init,
@@ -1690,6 +1716,8 @@ static const struct amdgpu_ring_funcs sdma_v5_2_ring_funcs = {
.test_ib = sdma_v5_2_ring_test_ib,
.insert_nop = sdma_v5_2_ring_insert_nop,
.pad_ib = sdma_v5_2_ring_pad_ib,
+ .begin_use = sdma_v5_2_ring_begin_use,
+ .end_use = sdma_v5_2_ring_end_use,
.emit_wreg = sdma_v5_2_ring_emit_wreg,
.emit_reg_wait = sdma_v5_2_ring_emit_reg_wait,
.emit_reg_write_reg_wait = sdma_v5_2_ring_emit_reg_write_reg_wait,