[+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 <[email protected]> 
> Sent: Friday, September 25, 2020 16:56
> To: [email protected]
> Cc: Zhang, Hawking <[email protected]>; Gao, Likun <[email protected]>
> Subject: [PATCH] amdgpu/drm: cleanup navi10 ih logic about older ASIC
>
> From: Likun Gao <[email protected]>
>
> 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 <[email protected]>
> 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
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

Reply via email to