[PATCH] amdgpu/nbio: use constant nbio_hdp_flush_reg structs.

Alex Deucher alexdeucher at gmail.com
Fri Sep 29 14:41:22 UTC 2017


On Thu, Sep 28, 2017 at 8:47 PM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> This removes the init path as well, since the init path
> just did some constant init of some structs.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>

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

> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c  |  2 +-
>  drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | 38 +++++++++++++++-------------------
>  drivers/gpu/drm/amd/amdgpu/nbio_v6_1.h |  2 +-
>  drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c | 38 +++++++++++++++-------------------
>  drivers/gpu/drm/amd/amdgpu/nbio_v7_0.h |  2 +-
>  drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c |  2 +-
>  drivers/gpu/drm/amd/amdgpu/soc15.c     | 15 --------------
>  7 files changed, 38 insertions(+), 61 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> index 508efc8..99a5b3b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> @@ -3583,7 +3583,7 @@ static void gfx_v9_0_ring_set_wptr_gfx(struct amdgpu_ring *ring)
>  static void gfx_v9_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
>  {
>         u32 ref_and_mask, reg_mem_engine;
> -       struct nbio_hdp_flush_reg *nbio_hf_reg;
> +       const struct nbio_hdp_flush_reg *nbio_hf_reg;
>
>         if (ring->adev->flags & AMD_IS_APU)
>                 nbio_hf_reg = &nbio_v7_0_hdp_flush_reg;
> diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
> index 7723d7b..904a1ba 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
> +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
> @@ -215,32 +215,28 @@ void nbio_v6_1_get_clockgating_state(struct amdgpu_device *adev, u32 *flags)
>                 *flags |= AMD_CG_SUPPORT_BIF_LS;
>  }
>
> -struct nbio_hdp_flush_reg nbio_v6_1_hdp_flush_reg;
> +const struct nbio_hdp_flush_reg nbio_v6_1_hdp_flush_reg = {
> +       .hdp_flush_req_offset = SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_REQ),
> +       .hdp_flush_done_offset = SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_DONE),
> +       .ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK,
> +       .ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK,
> +       .ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK,
> +       .ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK,
> +       .ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK,
> +       .ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK,
> +       .ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK,
> +       .ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK,
> +       .ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK,
> +       .ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK,
> +       .ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK,
> +       .ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK
> +};
> +
>  const struct nbio_pcie_index_data nbio_v6_1_pcie_index_data = {
>         .index_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX),
>         .data_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA),
>  };
>
> -int nbio_v6_1_init(struct amdgpu_device *adev)
> -{
> -       nbio_v6_1_hdp_flush_reg.hdp_flush_req_offset = SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
> -       nbio_v6_1_hdp_flush_reg.hdp_flush_done_offset = SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK;
> -       nbio_v6_1_hdp_flush_reg.ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK;
> -
> -       return 0;
> -}
> -
>  void nbio_v6_1_detect_hw_virt(struct amdgpu_device *adev)
>  {
>         uint32_t reg;
> diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.h b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.h
> index c5ca1e4..14ca8d4 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.h
> +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.h
> @@ -26,7 +26,7 @@
>
>  #include "soc15_common.h"
>
> -extern struct nbio_hdp_flush_reg nbio_v6_1_hdp_flush_reg;
> +extern const struct nbio_hdp_flush_reg nbio_v6_1_hdp_flush_reg;
>  extern const struct nbio_pcie_index_data nbio_v6_1_pcie_index_data;
>  int nbio_v6_1_init(struct amdgpu_device *adev);
>  u32 nbio_v6_1_get_atombios_scratch_regs(struct amdgpu_device *adev,
> diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
> index b932b78..f802b97 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
> @@ -185,28 +185,24 @@ void nbio_v7_0_ih_control(struct amdgpu_device *adev)
>         WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL, interrupt_cntl);
>  }
>
> -struct nbio_hdp_flush_reg nbio_v7_0_hdp_flush_reg;
> +const struct nbio_hdp_flush_reg nbio_v7_0_hdp_flush_reg = {
> +       .hdp_flush_req_offset = SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_REQ),
> +       .hdp_flush_done_offset = SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_DONE),
> +       .ref_and_mask_cp0 = GPU_HDP_FLUSH_DONE__CP0_MASK,
> +       .ref_and_mask_cp1 = GPU_HDP_FLUSH_DONE__CP1_MASK,
> +       .ref_and_mask_cp2 = GPU_HDP_FLUSH_DONE__CP2_MASK,
> +       .ref_and_mask_cp3 = GPU_HDP_FLUSH_DONE__CP3_MASK,
> +       .ref_and_mask_cp4 = GPU_HDP_FLUSH_DONE__CP4_MASK,
> +       .ref_and_mask_cp5 = GPU_HDP_FLUSH_DONE__CP5_MASK,
> +       .ref_and_mask_cp6 = GPU_HDP_FLUSH_DONE__CP6_MASK,
> +       .ref_and_mask_cp7 = GPU_HDP_FLUSH_DONE__CP7_MASK,
> +       .ref_and_mask_cp8 = GPU_HDP_FLUSH_DONE__CP8_MASK,
> +       .ref_and_mask_cp9 = GPU_HDP_FLUSH_DONE__CP9_MASK,
> +       .ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__SDMA0_MASK,
> +       .ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK,
> +};
> +
>  const struct nbio_pcie_index_data nbio_v7_0_pcie_index_data = {
>         .index_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX2),
>         .data_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2)
>  };
> -
> -int nbio_v7_0_init(struct amdgpu_device *adev)
> -{
> -       nbio_v7_0_hdp_flush_reg.hdp_flush_req_offset = SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_REQ);
> -       nbio_v7_0_hdp_flush_reg.hdp_flush_done_offset = SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_DONE);
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp0 = GPU_HDP_FLUSH_DONE__CP0_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp1 = GPU_HDP_FLUSH_DONE__CP1_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp2 = GPU_HDP_FLUSH_DONE__CP2_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp3 = GPU_HDP_FLUSH_DONE__CP3_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp4 = GPU_HDP_FLUSH_DONE__CP4_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp5 = GPU_HDP_FLUSH_DONE__CP5_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp6 = GPU_HDP_FLUSH_DONE__CP6_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp7 = GPU_HDP_FLUSH_DONE__CP7_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp8 = GPU_HDP_FLUSH_DONE__CP8_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_cp9 = GPU_HDP_FLUSH_DONE__CP9_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__SDMA0_MASK;
> -       nbio_v7_0_hdp_flush_reg.ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK;
> -
> -       return 0;
> -}
> diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.h b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.h
> index 21bad00..df8fa90 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.h
> +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.h
> @@ -26,7 +26,7 @@
>
>  #include "soc15_common.h"
>
> -extern struct nbio_hdp_flush_reg nbio_v7_0_hdp_flush_reg;
> +extern const struct nbio_hdp_flush_reg nbio_v7_0_hdp_flush_reg;
>  extern const struct nbio_pcie_index_data nbio_v7_0_pcie_index_data;
>  int nbio_v7_0_init(struct amdgpu_device *adev);
>  u32 nbio_v7_0_get_atombios_scratch_regs(struct amdgpu_device *adev,
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> index c26d205..46009db 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> @@ -371,7 +371,7 @@ static void sdma_v4_0_ring_emit_ib(struct amdgpu_ring *ring,
>  static void sdma_v4_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
>  {
>         u32 ref_and_mask = 0;
> -       struct nbio_hdp_flush_reg *nbio_hf_reg;
> +       const struct nbio_hdp_flush_reg *nbio_hf_reg;
>
>         if (ring->adev->flags & AMD_IS_APU)
>                 nbio_hf_reg = &nbio_v7_0_hdp_flush_reg;
> diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
> index 28294f5..6705954 100644
> --- a/drivers/gpu/drm/amd/amdgpu/soc15.c
> +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
> @@ -616,21 +616,6 @@ static int soc15_common_early_init(void *handle)
>                 (amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_PSP)))
>                 psp_enabled = true;
>
> -       /*
> -        * nbio need be used for both sdma and gfx9, but only
> -        * initializes once
> -        */
> -       switch(adev->asic_type) {
> -       case CHIP_VEGA10:
> -               nbio_v6_1_init(adev);
> -               break;
> -       case CHIP_RAVEN:
> -               nbio_v7_0_init(adev);
> -               break;
> -       default:
> -               return -EINVAL;
> -       }
> -
>         adev->rev_id = soc15_get_rev_id(adev);
>         adev->external_rev_id = 0xFF;
>         switch (adev->asic_type) {
> --
> 2.9.4
>
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