diff options
| author | Alex Deucher | 2023-06-07 12:14:00 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-07-23 13:49:28 +0200 |
| commit | 4596c812916a582e16aedfb243aaee8d010c6220 (patch) | |
| tree | 20a56c920af530fd9e4179db86816813139a8e4b /drivers | |
| parent | 7c880188c71066449a76de71de772198a0c30a7c (diff) | |
drm/amdgpu/sdma4: set align mask to 255
commit e5df16d9428f5c6d2d0b1eff244d6c330ba9ef3a upstream.
The wptr needs to be incremented at at least 64 dword intervals,
use 256 to align with windows. This should fix potential hangs
with unaligned updates.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit e5df16d9428f5c6d2d0b1eff244d6c330ba9ef3a)
The path `drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c` doesn't exist in
6.1.y, only modify the file that does exist.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 5b251d009467..97b033dfe9e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -2330,7 +2330,7 @@ const struct amd_ip_funcs sdma_v4_0_ip_funcs = { static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = { .type = AMDGPU_RING_TYPE_SDMA, - .align_mask = 0xf, + .align_mask = 0xff, .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), .support_64bit_ptrs = true, .secure_submission_supported = true, @@ -2400,7 +2400,7 @@ static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs_2nd_mmhub = { static const struct amdgpu_ring_funcs sdma_v4_0_page_ring_funcs = { .type = AMDGPU_RING_TYPE_SDMA, - .align_mask = 0xf, + .align_mask = 0xff, .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), .support_64bit_ptrs = true, .secure_submission_supported = true, |