[PATCH 1/3] drm/radeon: Remove radeon_gart_restore()

Alex Deucher alexdeucher at gmail.com
Wed Jul 9 12:58:25 PDT 2014


On Wed, Jul 9, 2014 at 2:15 PM, Christian König <deathsimple at vodafone.de> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> Doesn't seem necessary, the GART table memory should be persistent.
>
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

I'll add this one to my drm-next tree.  Separate comments on the other patches.

Alex

> ---
>  drivers/gpu/drm/radeon/cik.c         |  1 -
>  drivers/gpu/drm/radeon/evergreen.c   |  1 -
>  drivers/gpu/drm/radeon/ni.c          |  1 -
>  drivers/gpu/drm/radeon/r100.c        |  1 -
>  drivers/gpu/drm/radeon/r300.c        |  1 -
>  drivers/gpu/drm/radeon/r600.c        |  1 -
>  drivers/gpu/drm/radeon/radeon.h      |  1 -
>  drivers/gpu/drm/radeon/radeon_gart.c | 27 ---------------------------
>  drivers/gpu/drm/radeon/rs400.c       |  1 -
>  drivers/gpu/drm/radeon/rs600.c       |  1 -
>  drivers/gpu/drm/radeon/rv770.c       |  1 -
>  drivers/gpu/drm/radeon/si.c          |  1 -
>  12 files changed, 38 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
> index dcd4518..0cb363a 100644
> --- a/drivers/gpu/drm/radeon/cik.c
> +++ b/drivers/gpu/drm/radeon/cik.c
> @@ -5401,7 +5401,6 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
>         r = radeon_gart_table_vram_pin(rdev);
>         if (r)
>                 return r;
> -       radeon_gart_restore(rdev);
>         /* Setup TLB control */
>         WREG32(MC_VM_MX_L1_TLB_CNTL,
>                (0xA << 7) |
> diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
> index e2f6052..8471f32 100644
> --- a/drivers/gpu/drm/radeon/evergreen.c
> +++ b/drivers/gpu/drm/radeon/evergreen.c
> @@ -2424,7 +2424,6 @@ static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
>         r = radeon_gart_table_vram_pin(rdev);
>         if (r)
>                 return r;
> -       radeon_gart_restore(rdev);
>         /* Setup L2 cache */
>         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
>                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
> diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
> index 5a33ca6..327b85f 100644
> --- a/drivers/gpu/drm/radeon/ni.c
> +++ b/drivers/gpu/drm/radeon/ni.c
> @@ -1229,7 +1229,6 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev)
>         r = radeon_gart_table_vram_pin(rdev);
>         if (r)
>                 return r;
> -       radeon_gart_restore(rdev);
>         /* Setup TLB control */
>         WREG32(MC_VM_MX_L1_TLB_CNTL,
>                (0xA << 7) |
> diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
> index 1544efc..ed1c53e 100644
> --- a/drivers/gpu/drm/radeon/r100.c
> +++ b/drivers/gpu/drm/radeon/r100.c
> @@ -652,7 +652,6 @@ int r100_pci_gart_enable(struct radeon_device *rdev)
>  {
>         uint32_t tmp;
>
> -       radeon_gart_restore(rdev);
>         /* discard memory request outside of configured range */
>         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
>         WREG32(RADEON_AIC_CNTL, tmp);
> diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
> index 3c21d77..8d14e66 100644
> --- a/drivers/gpu/drm/radeon/r300.c
> +++ b/drivers/gpu/drm/radeon/r300.c
> @@ -120,7 +120,6 @@ int rv370_pcie_gart_enable(struct radeon_device *rdev)
>         r = radeon_gart_table_vram_pin(rdev);
>         if (r)
>                 return r;
> -       radeon_gart_restore(rdev);
>         /* discard memory request outside of configured range */
>         tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
>         WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
> diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
> index c66952d..e1be5ce 100644
> --- a/drivers/gpu/drm/radeon/r600.c
> +++ b/drivers/gpu/drm/radeon/r600.c
> @@ -968,7 +968,6 @@ static int r600_pcie_gart_enable(struct radeon_device *rdev)
>         r = radeon_gart_table_vram_pin(rdev);
>         if (r)
>                 return r;
> -       radeon_gart_restore(rdev);
>
>         /* Setup L2 cache */
>         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
> diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
> index 29d9cc0..c16652a 100644
> --- a/drivers/gpu/drm/radeon/radeon.h
> +++ b/drivers/gpu/drm/radeon/radeon.h
> @@ -614,7 +614,6 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
>  int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
>                      int pages, struct page **pagelist,
>                      dma_addr_t *dma_addr);
> -void radeon_gart_restore(struct radeon_device *rdev);
>
>
>  /*
> diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
> index 2e72365..b7d3e84 100644
> --- a/drivers/gpu/drm/radeon/radeon_gart.c
> +++ b/drivers/gpu/drm/radeon/radeon_gart.c
> @@ -298,33 +298,6 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
>  }
>
>  /**
> - * radeon_gart_restore - bind all pages in the gart page table
> - *
> - * @rdev: radeon_device pointer
> - *
> - * Binds all pages in the gart page table (all asics).
> - * Used to rebuild the gart table on device startup or resume.
> - */
> -void radeon_gart_restore(struct radeon_device *rdev)
> -{
> -       int i, j, t;
> -       u64 page_base;
> -
> -       if (!rdev->gart.ptr) {
> -               return;
> -       }
> -       for (i = 0, t = 0; i < rdev->gart.num_cpu_pages; i++) {
> -               page_base = rdev->gart.pages_addr[i];
> -               for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
> -                       radeon_gart_set_page(rdev, t, page_base);
> -                       page_base += RADEON_GPU_PAGE_SIZE;
> -               }
> -       }
> -       mb();
> -       radeon_gart_tlb_flush(rdev);
> -}
> -
> -/**
>   * radeon_gart_init - init the driver info for managing the gart
>   *
>   * @rdev: radeon_device pointer
> diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
> index a0f96de..4519f9c 100644
> --- a/drivers/gpu/drm/radeon/rs400.c
> +++ b/drivers/gpu/drm/radeon/rs400.c
> @@ -109,7 +109,6 @@ int rs400_gart_enable(struct radeon_device *rdev)
>         uint32_t size_reg;
>         uint32_t tmp;
>
> -       radeon_gart_restore(rdev);
>         tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
>         tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
>         WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
> diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
> index d1a35cb..27a56ad 100644
> --- a/drivers/gpu/drm/radeon/rs600.c
> +++ b/drivers/gpu/drm/radeon/rs600.c
> @@ -555,7 +555,6 @@ static int rs600_gart_enable(struct radeon_device *rdev)
>         r = radeon_gart_table_vram_pin(rdev);
>         if (r)
>                 return r;
> -       radeon_gart_restore(rdev);
>         /* Enable bus master */
>         tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
>         WREG32(RADEON_BUS_CNTL, tmp);
> diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
> index da8703d..2983f17 100644
> --- a/drivers/gpu/drm/radeon/rv770.c
> +++ b/drivers/gpu/drm/radeon/rv770.c
> @@ -900,7 +900,6 @@ static int rv770_pcie_gart_enable(struct radeon_device *rdev)
>         r = radeon_gart_table_vram_pin(rdev);
>         if (r)
>                 return r;
> -       radeon_gart_restore(rdev);
>         /* Setup L2 cache */
>         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
>                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
> diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
> index eba0225..ba2b453 100644
> --- a/drivers/gpu/drm/radeon/si.c
> +++ b/drivers/gpu/drm/radeon/si.c
> @@ -4048,7 +4048,6 @@ static int si_pcie_gart_enable(struct radeon_device *rdev)
>         r = radeon_gart_table_vram_pin(rdev);
>         if (r)
>                 return r;
> -       radeon_gart_restore(rdev);
>         /* Setup TLB control */
>         WREG32(MC_VM_MX_L1_TLB_CNTL,
>                (0xA << 7) |
> --
> 1.9.1
>
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