From: Monk Liu <Monk.Liu-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Frank Min <Frank.Min-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH 8/9] drm/amdgpu:wptr poll address of gfx8 is needed
Date: Wed, 28 Sep 2016 16:36:19 +0800 [thread overview]
Message-ID: <1475051780-21634-8-git-send-email-Monk.Liu@amd.com> (raw)
In-Reply-To: <1475051780-21634-1-git-send-email-Monk.Liu-5C7GfCeVMHo@public.gmane.org>
From: Frank Min <Frank.Min@amd.com>
for GFX8, gfx ring's wptr_addr is needed by SRIOV & CP for polling.
Change-Id: I14477577ef50d1ac90ccc32d41819276811732b7
Signed-off-by: Frank Min <Frank.Min@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 097108a..98ef1fe 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4338,7 +4338,7 @@ static int gfx_v8_0_cp_gfx_resume(struct amdgpu_device *adev)
struct amdgpu_ring *ring;
u32 tmp;
u32 rb_bufsz;
- u64 rb_addr, rptr_addr;
+ u64 rb_addr, rptr_addr, wptr_gpu_addr;
int r;
/* Set the write pointer delay */
@@ -4369,6 +4369,9 @@ static int gfx_v8_0_cp_gfx_resume(struct amdgpu_device *adev)
WREG32(mmCP_RB0_RPTR_ADDR, lower_32_bits(rptr_addr));
WREG32(mmCP_RB0_RPTR_ADDR_HI, upper_32_bits(rptr_addr) & 0xFF);
+ wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
+ WREG32(mmCP_RB_WPTR_POLL_ADDR_LO, lower_32_bits(wptr_gpu_addr));
+ WREG32(mmCP_RB_WPTR_POLL_ADDR_HI, upper_32_bits(wptr_gpu_addr));
mdelay(1);
WREG32(mmCP_RB0_CNTL, tmp);
--
1.9.1
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next prev parent reply other threads:[~2016-09-28 8:36 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-28 8:36 [PATCH 1/9] drm/amdgpu:exclude 5dw digest for entry Monk Liu
[not found] ` <1475051780-21634-1-git-send-email-Monk.Liu-5C7GfCeVMHo@public.gmane.org>
2016-09-28 8:36 ` [PATCH 2/9] drm/amdgpu:add one more fiji device id Monk Liu
2016-09-28 8:36 ` [PATCH 3/9] drm/amdgpu:use smc_index_11 for VI Monk Liu
2016-09-28 8:36 ` [PATCH 4/9] drm/amdgpu:keep bo pinned in prefered domain Monk Liu
[not found] ` <1475051780-21634-4-git-send-email-Monk.Liu-5C7GfCeVMHo@public.gmane.org>
2016-10-02 21:14 ` Grazvydas Ignotas
2016-09-28 8:36 ` [PATCH 5/9] drm/amdgpu:fw bo should be in VRAM for SRIOV Monk Liu
2016-09-28 8:36 ` [PATCH 6/9] drm/amdgpu:add callback in cgs for sriov detect Monk Liu
2016-09-28 8:36 ` [PATCH 7/9] drm/amdgpu:add MEC_STORAGE ucode id for sriov Monk Liu
2016-09-28 8:36 ` Monk Liu [this message]
[not found] ` <1475051780-21634-8-git-send-email-Monk.Liu-5C7GfCeVMHo@public.gmane.org>
2016-09-28 13:41 ` [PATCH 8/9] drm/amdgpu:wptr poll address of gfx8 is needed StDenis, Tom
[not found] ` <CY4PR12MB17686C79F11C47CC29E00E2EF7CF0-rpdhrqHFk06yjjPBNVDk/QdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2016-09-28 15:27 ` Deucher, Alexander
2016-09-28 8:36 ` [PATCH 9/9] drm/amdgpu:properly fix some JumpTable issues Monk Liu
[not found] ` <1475051780-21634-9-git-send-email-Monk.Liu-5C7GfCeVMHo@public.gmane.org>
2016-09-28 13:38 ` Edward O'Callaghan
2016-09-28 19:00 ` [PATCH 1/9] drm/amdgpu:exclude 5dw digest for entry Alex Deucher
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