* [PATCH] drm/amdgpu/gfx8: add additional MQD initialization
@ 2017-04-07 22:00 Alex Deucher
[not found] ` <1491602428-1621-1-git-send-email-alexander.deucher-5C7GfCeVMHo@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Alex Deucher @ 2017-04-07 22:00 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Alex Deucher
Need to properly set the MTYPE and ROQ space setting.
This should fix performance regressions with KIQ enabled.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 7adeab3..11ca155 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4855,6 +4855,20 @@ static int gfx_v8_0_mqd_init(struct amdgpu_ring *ring)
tmp = REG_SET_FIELD(tmp, CP_HQD_PERSISTENT_STATE, PRELOAD_SIZE, 0x53);
mqd->cp_hqd_persistent_state = tmp;
+ /* set MTYPE */
+ tmp = RREG32(mmCP_HQD_IB_CONTROL);
+ tmp = REG_SET_FIELD(tmp, CP_HQD_IB_CONTROL, MIN_IB_AVAIL_SIZE, 3);
+ tmp = REG_SET_FIELD(tmp, CP_HQD_IB_CONTROL, MTYPE, 3);
+ mqd->cp_hqd_ib_control = tmp;
+
+ tmp = RREG32(mmCP_HQD_IQ_TIMER);
+ tmp = REG_SET_FIELD(tmp, CP_HQD_IQ_TIMER, MTYPE, 3);
+ mqd->cp_hqd_iq_timer = tmp;
+
+ tmp = RREG32(mmCP_HQD_CTX_SAVE_CONTROL);
+ tmp = REG_SET_FIELD(tmp, CP_HQD_CTX_SAVE_CONTROL, MTYPE, 3);
+ mqd->cp_hqd_ctx_save_control = tmp;
+
/* activate the queue */
mqd->cp_hqd_active = 1;
--
2.5.5
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/amdgpu/gfx8: add additional MQD initialization
[not found] ` <1491602428-1621-1-git-send-email-alexander.deucher-5C7GfCeVMHo@public.gmane.org>
@ 2017-04-08 8:49 ` Christian König
0 siblings, 0 replies; 2+ messages in thread
From: Christian König @ 2017-04-08 8:49 UTC (permalink / raw)
To: Alex Deucher, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Alex Deucher
Am 08.04.2017 um 00:00 schrieb Alex Deucher:
> Need to properly set the MTYPE and ROQ space setting.
> This should fix performance regressions with KIQ enabled.
>
> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> index 7adeab3..11ca155 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> @@ -4855,6 +4855,20 @@ static int gfx_v8_0_mqd_init(struct amdgpu_ring *ring)
> tmp = REG_SET_FIELD(tmp, CP_HQD_PERSISTENT_STATE, PRELOAD_SIZE, 0x53);
> mqd->cp_hqd_persistent_state = tmp;
>
> + /* set MTYPE */
> + tmp = RREG32(mmCP_HQD_IB_CONTROL);
> + tmp = REG_SET_FIELD(tmp, CP_HQD_IB_CONTROL, MIN_IB_AVAIL_SIZE, 3);
> + tmp = REG_SET_FIELD(tmp, CP_HQD_IB_CONTROL, MTYPE, 3);
> + mqd->cp_hqd_ib_control = tmp;
> +
> + tmp = RREG32(mmCP_HQD_IQ_TIMER);
> + tmp = REG_SET_FIELD(tmp, CP_HQD_IQ_TIMER, MTYPE, 3);
> + mqd->cp_hqd_iq_timer = tmp;
> +
> + tmp = RREG32(mmCP_HQD_CTX_SAVE_CONTROL);
> + tmp = REG_SET_FIELD(tmp, CP_HQD_CTX_SAVE_CONTROL, MTYPE, 3);
> + mqd->cp_hqd_ctx_save_control = tmp;
> +
> /* activate the queue */
> mqd->cp_hqd_active = 1;
>
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2017-04-07 22:00 [PATCH] drm/amdgpu/gfx8: add additional MQD initialization Alex Deucher
[not found] ` <1491602428-1621-1-git-send-email-alexander.deucher-5C7GfCeVMHo@public.gmane.org>
2017-04-08 8:49 ` Christian König
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