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* [PATCH] amdgpu/drm: cleanup navi10 ih logic about older ASIC
@ 2020-09-25  8:55 Likun Gao
  2020-09-25 11:30 ` Zhang, Hawking
  0 siblings, 1 reply; 3+ messages in thread
From: Likun Gao @ 2020-09-25  8:55 UTC (permalink / raw)
  To: amd-gfx; +Cc: Likun Gao, Hawking Zhang

From: Likun Gao <Likun.Gao@amd.com>

The ASIC which is older than navi10 will not call into navi10_ih
related function, so cleanup the related code path.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Change-Id: Idf73b73f1f4f19031260c220798e5fffbb2cecd2
---
 drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 105 +++----------------------
 1 file changed, 9 insertions(+), 96 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
index 74b1e7dc49a9..92b5dc2931b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
@@ -94,14 +94,7 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
 
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 1);
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 1);
-	if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-		if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
-			DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
-			return;
-		}
-	} else {
-		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
-	}
+	WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
 
 	adev->irq.ih.enabled = true;
 
@@ -109,15 +102,7 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
 					   RB_ENABLE, 1);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
-				return;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
 		adev->irq.ih1.enabled = true;
 	}
 
@@ -125,15 +110,7 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
 					   RB_ENABLE, 1);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
-				return;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
 		adev->irq.ih2.enabled = true;
 	}
 }
@@ -151,14 +128,7 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
 
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 0);
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 0);
-	if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-		if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
-			DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
-			return;
-		}
-	} else {
-		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
-	}
+	WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
 
 	/* set rptr, wptr to 0 */
 	WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0);
@@ -170,15 +140,7 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
 					   RB_ENABLE, 0);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
-				return;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
 		/* set rptr, wptr to 0 */
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0);
@@ -190,15 +152,7 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
 					   RB_ENABLE, 0);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
-				return;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
 		/* set rptr, wptr to 0 */
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0);
@@ -298,14 +252,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
 	ih_rb_cntl = navi10_ih_rb_cntl(ih, ih_rb_cntl);
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RPTR_REARM,
 				   !!adev->irq.msi_enabled);
-	if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-		if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
-			DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
-			return -ETIMEDOUT;
-		}
-	} else {
-		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
-	}
+	WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
 	if (adev->irq.ih1.ring_size)
 		navi10_ih_reroute_ih(adev);
 
@@ -357,15 +304,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
 					   WPTR_OVERFLOW_ENABLE, 0);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL,
 					   RB_FULL_DRAIN_ENABLE, 1);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
-				return -ETIMEDOUT;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
 		/* set rptr, wptr to 0 */
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0);
@@ -383,15 +322,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
 		ih_rb_cntl = navi10_ih_rb_cntl(ih, ih_rb_cntl);
 
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
-				return -ETIMEDOUT;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
 		/* set rptr, wptr to 0 */
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0);
@@ -672,24 +603,6 @@ static int navi10_ih_sw_init(void *handle)
 	adev->irq.ih1.ring_size = 0;
 	adev->irq.ih2.ring_size = 0;
 
-	if (adev->asic_type < CHIP_NAVI10) {
-		r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true);
-		if (r)
-			return r;
-
-		adev->irq.ih1.use_doorbell = true;
-		adev->irq.ih1.doorbell_index =
-					(adev->doorbell_index.ih + 1) << 1;
-
-		r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true);
-		if (r)
-			return r;
-
-		adev->irq.ih2.use_doorbell = true;
-		adev->irq.ih2.doorbell_index =
-					(adev->doorbell_index.ih + 2) << 1;
-	}
-
 	r = amdgpu_irq_init(adev);
 
 	return r;
-- 
2.25.1

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^ permalink raw reply related	[flat|nested] 3+ messages in thread

* RE: [PATCH] amdgpu/drm: cleanup navi10 ih logic about older ASIC
  2020-09-25  8:55 [PATCH] amdgpu/drm: cleanup navi10 ih logic about older ASIC Likun Gao
@ 2020-09-25 11:30 ` Zhang, Hawking
  2020-09-29  2:36   ` Felix Kuehling
  0 siblings, 1 reply; 3+ messages in thread
From: Zhang, Hawking @ 2020-09-25 11:30 UTC (permalink / raw)
  To: Gao, Likun, amd-gfx@lists.freedesktop.org

[AMD Public Use]

Hi Likun,

Let's take a step back to check with Alex S why he add the ASIC type check here. I'm under impression there was a change to use navi10_ih block for arcturus, but haven't followed up closely yet. 

Regards,
Hawking

-----Original Message-----
From: Gao, Likun <Likun.Gao@amd.com> 
Sent: Friday, September 25, 2020 16:56
To: amd-gfx@lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang@amd.com>; Gao, Likun <Likun.Gao@amd.com>
Subject: [PATCH] amdgpu/drm: cleanup navi10 ih logic about older ASIC

From: Likun Gao <Likun.Gao@amd.com>

The ASIC which is older than navi10 will not call into navi10_ih related function, so cleanup the related code path.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Change-Id: Idf73b73f1f4f19031260c220798e5fffbb2cecd2
---
 drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 105 +++----------------------
 1 file changed, 9 insertions(+), 96 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
index 74b1e7dc49a9..92b5dc2931b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
@@ -94,14 +94,7 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
 
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 1);
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 1);
-	if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-		if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
-			DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
-			return;
-		}
-	} else {
-		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
-	}
+	WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
 
 	adev->irq.ih.enabled = true;
 
@@ -109,15 +102,7 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
 					   RB_ENABLE, 1);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
-				return;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
 		adev->irq.ih1.enabled = true;
 	}
 
@@ -125,15 +110,7 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
 					   RB_ENABLE, 1);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
-				return;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
 		adev->irq.ih2.enabled = true;
 	}
 }
@@ -151,14 +128,7 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
 
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 0);
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 0);
-	if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-		if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
-			DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
-			return;
-		}
-	} else {
-		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
-	}
+	WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
 
 	/* set rptr, wptr to 0 */
 	WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0); @@ -170,15 +140,7 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
 					   RB_ENABLE, 0);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
-				return;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
 		/* set rptr, wptr to 0 */
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0); @@ -190,15 +152,7 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
 					   RB_ENABLE, 0);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
-				return;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
 		/* set rptr, wptr to 0 */
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0); @@ -298,14 +252,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
 	ih_rb_cntl = navi10_ih_rb_cntl(ih, ih_rb_cntl);
 	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RPTR_REARM,
 				   !!adev->irq.msi_enabled);
-	if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-		if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
-			DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
-			return -ETIMEDOUT;
-		}
-	} else {
-		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
-	}
+	WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
 	if (adev->irq.ih1.ring_size)
 		navi10_ih_reroute_ih(adev);
 
@@ -357,15 +304,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
 					   WPTR_OVERFLOW_ENABLE, 0);
 		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL,
 					   RB_FULL_DRAIN_ENABLE, 1);
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
-				return -ETIMEDOUT;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
 		/* set rptr, wptr to 0 */
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0); @@ -383,15 +322,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
 		ih_rb_cntl = navi10_ih_rb_cntl(ih, ih_rb_cntl);
 
-		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
-			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
-						ih_rb_cntl)) {
-				DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
-				return -ETIMEDOUT;
-			}
-		} else {
-			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
-		}
+		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
 		/* set rptr, wptr to 0 */
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0); @@ -672,24 +603,6 @@ static int navi10_ih_sw_init(void *handle)
 	adev->irq.ih1.ring_size = 0;
 	adev->irq.ih2.ring_size = 0;
 
-	if (adev->asic_type < CHIP_NAVI10) {
-		r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true);
-		if (r)
-			return r;
-
-		adev->irq.ih1.use_doorbell = true;
-		adev->irq.ih1.doorbell_index =
-					(adev->doorbell_index.ih + 1) << 1;
-
-		r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true);
-		if (r)
-			return r;
-
-		adev->irq.ih2.use_doorbell = true;
-		adev->irq.ih2.doorbell_index =
-					(adev->doorbell_index.ih + 2) << 1;
-	}
-
 	r = amdgpu_irq_init(adev);
 
 	return r;
--
2.25.1
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^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] amdgpu/drm: cleanup navi10 ih logic about older ASIC
  2020-09-25 11:30 ` Zhang, Hawking
@ 2020-09-29  2:36   ` Felix Kuehling
  0 siblings, 0 replies; 3+ messages in thread
From: Felix Kuehling @ 2020-09-29  2:36 UTC (permalink / raw)
  To: Zhang, Hawking, Gao, Likun, amd-gfx@lists.freedesktop.org,
	Alex Sierra

[+Alex]

I think this was added for Arcturus, which shares the same IH IP as
Navi10 and needs to support virtualization.

Regards,
  Felix

Am 2020-09-25 um 7:30 a.m. schrieb Zhang, Hawking:
> [AMD Public Use]
>
> Hi Likun,
>
> Let's take a step back to check with Alex S why he add the ASIC type check here. I'm under impression there was a change to use navi10_ih block for arcturus, but haven't followed up closely yet. 
>
> Regards,
> Hawking
>
> -----Original Message-----
> From: Gao, Likun <Likun.Gao@amd.com> 
> Sent: Friday, September 25, 2020 16:56
> To: amd-gfx@lists.freedesktop.org
> Cc: Zhang, Hawking <Hawking.Zhang@amd.com>; Gao, Likun <Likun.Gao@amd.com>
> Subject: [PATCH] amdgpu/drm: cleanup navi10 ih logic about older ASIC
>
> From: Likun Gao <Likun.Gao@amd.com>
>
> The ASIC which is older than navi10 will not call into navi10_ih related function, so cleanup the related code path.
>
> Signed-off-by: Likun Gao <Likun.Gao@amd.com>
> Change-Id: Idf73b73f1f4f19031260c220798e5fffbb2cecd2
> ---
>  drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 105 +++----------------------
>  1 file changed, 9 insertions(+), 96 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
> index 74b1e7dc49a9..92b5dc2931b6 100644
> --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
> +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
> @@ -94,14 +94,7 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
>  
>  	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 1);
>  	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 1);
> -	if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
> -		if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
> -			DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
> -			return;
> -		}
> -	} else {
> -		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
> -	}
> +	WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
>  
>  	adev->irq.ih.enabled = true;
>  
> @@ -109,15 +102,7 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
>  		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
>  		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
>  					   RB_ENABLE, 1);
> -		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
> -			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
> -						ih_rb_cntl)) {
> -				DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
> -				return;
> -			}
> -		} else {
> -			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
> -		}
> +		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
>  		adev->irq.ih1.enabled = true;
>  	}
>  
> @@ -125,15 +110,7 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
>  		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
>  		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
>  					   RB_ENABLE, 1);
> -		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
> -			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
> -						ih_rb_cntl)) {
> -				DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
> -				return;
> -			}
> -		} else {
> -			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
> -		}
> +		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
>  		adev->irq.ih2.enabled = true;
>  	}
>  }
> @@ -151,14 +128,7 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
>  
>  	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 0);
>  	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 0);
> -	if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
> -		if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
> -			DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
> -			return;
> -		}
> -	} else {
> -		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
> -	}
> +	WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
>  
>  	/* set rptr, wptr to 0 */
>  	WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0); @@ -170,15 +140,7 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
>  		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
>  		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
>  					   RB_ENABLE, 0);
> -		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
> -			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
> -						ih_rb_cntl)) {
> -				DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
> -				return;
> -			}
> -		} else {
> -			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
> -		}
> +		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
>  		/* set rptr, wptr to 0 */
>  		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0);
>  		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0); @@ -190,15 +152,7 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
>  		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
>  		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
>  					   RB_ENABLE, 0);
> -		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
> -			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
> -						ih_rb_cntl)) {
> -				DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
> -				return;
> -			}
> -		} else {
> -			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
> -		}
> +		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
>  		/* set rptr, wptr to 0 */
>  		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0);
>  		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0); @@ -298,14 +252,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
>  	ih_rb_cntl = navi10_ih_rb_cntl(ih, ih_rb_cntl);
>  	ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RPTR_REARM,
>  				   !!adev->irq.msi_enabled);
> -	if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
> -		if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
> -			DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
> -			return -ETIMEDOUT;
> -		}
> -	} else {
> -		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
> -	}
> +	WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
>  	if (adev->irq.ih1.ring_size)
>  		navi10_ih_reroute_ih(adev);
>  
> @@ -357,15 +304,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
>  					   WPTR_OVERFLOW_ENABLE, 0);
>  		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL,
>  					   RB_FULL_DRAIN_ENABLE, 1);
> -		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
> -			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
> -						ih_rb_cntl)) {
> -				DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
> -				return -ETIMEDOUT;
> -			}
> -		} else {
> -			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
> -		}
> +		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
>  		/* set rptr, wptr to 0 */
>  		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0);
>  		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0); @@ -383,15 +322,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
>  		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
>  		ih_rb_cntl = navi10_ih_rb_cntl(ih, ih_rb_cntl);
>  
> -		if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
> -			if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
> -						ih_rb_cntl)) {
> -				DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
> -				return -ETIMEDOUT;
> -			}
> -		} else {
> -			WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
> -		}
> +		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
>  		/* set rptr, wptr to 0 */
>  		WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0);
>  		WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0); @@ -672,24 +603,6 @@ static int navi10_ih_sw_init(void *handle)
>  	adev->irq.ih1.ring_size = 0;
>  	adev->irq.ih2.ring_size = 0;
>  
> -	if (adev->asic_type < CHIP_NAVI10) {
> -		r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true);
> -		if (r)
> -			return r;
> -
> -		adev->irq.ih1.use_doorbell = true;
> -		adev->irq.ih1.doorbell_index =
> -					(adev->doorbell_index.ih + 1) << 1;
> -
> -		r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true);
> -		if (r)
> -			return r;
> -
> -		adev->irq.ih2.use_doorbell = true;
> -		adev->irq.ih2.doorbell_index =
> -					(adev->doorbell_index.ih + 2) << 1;
> -	}
> -
>  	r = amdgpu_irq_init(adev);
>  
>  	return r;
> --
> 2.25.1
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-09-29  2:40 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-09-25  8:55 [PATCH] amdgpu/drm: cleanup navi10 ih logic about older ASIC Likun Gao
2020-09-25 11:30 ` Zhang, Hawking
2020-09-29  2:36   ` Felix Kuehling

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