[PATCH] drm/amdgpu: reduce the mmio writes in kiq setting
Prike Liang
Prike.Liang at amd.com
Fri Nov 15 08:39:43 UTC 2024
There's no need to perform the two MMIO writes in the KIQ
Setting registers programmed period, and reducing the MMIO
writes will save the driver loading time.
Signed-off-by: Prike Liang <Prike.Liang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 8 ++------
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 4 +---
drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 4 +---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 4 +---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 4 +---
drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 4 +---
drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 4 +---
drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 4 +---
8 files changed, 9 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 9da95b25e158..ffd3c45b4ccd 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -6593,17 +6593,13 @@ static void gfx_v10_0_kiq_setting(struct amdgpu_ring *ring)
tmp = RREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid);
tmp &= 0xffffff00;
tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
- WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid, tmp);
- tmp |= 0x80;
- WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid, tmp);
+ WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid, tmp | 0x80);
break;
default:
tmp = RREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS);
tmp &= 0xffffff00;
tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
- WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS, tmp);
- tmp |= 0x80;
- WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS, tmp);
+ WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS, tmp | 0x80);
break;
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 5aff8f72de9c..a2aedcabae65 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -3890,9 +3890,7 @@ static void gfx_v11_0_kiq_setting(struct amdgpu_ring *ring)
tmp = RREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS);
tmp &= 0xffffff00;
tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
- WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
- tmp |= 0x80;
- WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
+ WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp | 0x80);
}
static void gfx_v11_0_cp_set_doorbell_range(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
index 9fec28d8a5fc..c61d383c45c4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
@@ -2826,9 +2826,7 @@ static void gfx_v12_0_kiq_setting(struct amdgpu_ring *ring)
tmp = RREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS);
tmp &= 0xffffff00;
tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
- WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
- tmp |= 0x80;
- WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
+ WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp | 0x80);
}
static void gfx_v12_0_cp_set_doorbell_range(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 480c41ee947e..d465c3ea6e6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4304,9 +4304,7 @@ static void gfx_v8_0_kiq_setting(struct amdgpu_ring *ring)
tmp = RREG32(mmRLC_CP_SCHEDULERS);
tmp &= 0xffffff00;
tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
- WREG32(mmRLC_CP_SCHEDULERS, tmp);
- tmp |= 0x80;
- WREG32(mmRLC_CP_SCHEDULERS, tmp);
+ WREG32(mmRLC_CP_SCHEDULERS, tmp | 0x80);
}
static int gfx_v8_0_kiq_kcq_enable(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index e9248a855ba7..a6cb30558f2f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3482,9 +3482,7 @@ static void gfx_v9_0_kiq_setting(struct amdgpu_ring *ring)
tmp = RREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS);
tmp &= 0xffffff00;
tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
- WREG32_SOC15_RLC(GC, 0, mmRLC_CP_SCHEDULERS, tmp);
- tmp |= 0x80;
- WREG32_SOC15_RLC(GC, 0, mmRLC_CP_SCHEDULERS, tmp);
+ WREG32_SOC15_RLC(GC, 0, mmRLC_CP_SCHEDULERS, tmp | 0x80);
}
static void gfx_v9_0_mqd_set_priority(struct amdgpu_ring *ring, struct v9_mqd *mqd)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index 016290f00592..ae3c8645633b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -1771,9 +1771,7 @@ static void gfx_v9_4_3_xcc_kiq_setting(struct amdgpu_ring *ring, int xcc_id)
tmp = RREG32_SOC15(GC, GET_INST(GC, xcc_id), regRLC_CP_SCHEDULERS);
tmp &= 0xffffff00;
tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
- WREG32_SOC15_RLC(GC, GET_INST(GC, xcc_id), regRLC_CP_SCHEDULERS, tmp);
- tmp |= 0x80;
- WREG32_SOC15_RLC(GC, GET_INST(GC, xcc_id), regRLC_CP_SCHEDULERS, tmp);
+ WREG32_SOC15_RLC(GC, GET_INST(GC, xcc_id), regRLC_CP_SCHEDULERS, tmp | 0x80);
}
static void gfx_v9_4_3_mqd_set_priority(struct amdgpu_ring *ring, struct v9_mqd *mqd)
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index 8ca137313961..3b818441c7ba 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -1491,9 +1491,7 @@ static void mes_v11_0_kiq_setting(struct amdgpu_ring *ring)
tmp = RREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS);
tmp &= 0xffffff00;
tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
- WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
- tmp |= 0x80;
- WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
+ WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp | 0x80);
}
static void mes_v11_0_kiq_clear(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
index 9d0e342a2f81..44b0d0f76944 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
@@ -1453,9 +1453,7 @@ static void mes_v12_0_kiq_setting(struct amdgpu_ring *ring)
tmp = RREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS);
tmp &= 0xffffff00;
tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
- WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
- tmp |= 0x80;
- WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
+ WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp | 0x80);
}
static int mes_v12_0_kiq_hw_init(struct amdgpu_device *adev)
--
2.34.1
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