mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 13:55:32 +00:00
drm/amdgpu/gfx10: enlarge CP_MEC_DOORBELL_RANGE_UPPER to cover full doorbell.
If GC has entered CGPG, ringing doorbell > first page doesn't wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround this issue. Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
This commit is contained in:
parent
4cbbe34807
commit
1c0b0efd14
1 changed files with 5 additions and 1 deletions
|
@ -6871,8 +6871,12 @@ static int gfx_v10_0_kiq_init_register(struct amdgpu_ring *ring)
|
|||
if (ring->use_doorbell) {
|
||||
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER,
|
||||
(adev->doorbell_index.kiq * 2) << 2);
|
||||
/* If GC has entered CGPG, ringing doorbell > first page doesn't
|
||||
* wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround
|
||||
* this issue.
|
||||
*/
|
||||
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER,
|
||||
(adev->doorbell_index.userqueue_end * 2) << 2);
|
||||
(adev->doorbell.size - 4));
|
||||
}
|
||||
|
||||
WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL,
|
||||
|
|
Loading…
Reference in a new issue