From: Alex Deucher <alexander.deucher@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Alex Deucher <alexander.deucher@amd.com>,
Graham Sider <Graham.Sider@amd.com>,
Hawking Zhang <Hawking.Zhang@amd.com>
Subject: [PATCH] drm/amdgpu: Disable SDMA WPTR_POLL_ENABLE for sdma_v6_0
Date: Thu, 5 May 2022 16:07:47 -0400 [thread overview]
Message-ID: <20220505200750.1293725-11-alexander.deucher@amd.com> (raw)
In-Reply-To: <20220505200750.1293725-1-alexander.deucher@amd.com>
From: Graham Sider <Graham.Sider@amd.com>
WPTR_POLL_ENABLE = 1 was kept to support legacy doorbell programming in
SimNow environment. Disable for real hardware.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
index 6cc6a81a7d73..8cfaed55b192 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
@@ -558,7 +558,7 @@ static int sdma_v6_0_gfx_resume(struct amdgpu_device *adev)
lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
- rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, WPTR_POLL_ENABLE, 1);
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, WPTR_POLL_ENABLE, 0);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, F32_WPTR_POLL_ENABLE, 1);
WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_BASE), ring->gpu_addr >> 8);
--
2.35.1
next prev parent reply other threads:[~2022-05-05 20:08 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-05 20:07 [PATCH] drm/amd/pm: enable lclk dpm/ds and BACO features for SMU 13.0.0 Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amd/pm: enable BACO support " Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amd/pm: enable UCLK DPM " Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amd/pm: correct the check for current link status Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amd/pm: correct the way for retrieving current uclk frequency Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amd/pm: correct the way for retrieving current fclk frequency Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amd/pm: enable FCLK DPM support for SMU 13.0.0 Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amd/pm: disable the gfxoff feature temporarily " Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amd/pm: disable ac/dc on smu_v13_0_7 Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amd/pm: enable gfxoff control " Alex Deucher
2022-05-05 20:07 ` Alex Deucher [this message]
2022-05-05 20:07 ` [PATCH] drm/amdkfd: Update event_interrupt_isr_v11 return Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amdgpu: Implement get_vmid_pasid_mapping for gfx11 Alex Deucher
2022-05-05 20:07 ` [PATCH] drm/amdgpu/gmc11: avoid cpu accessing registers to flush VM Alex Deucher
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