[PATCH 7/8] drm/amdgpu/uvd7: optimize uvd initialization sequence for SRIOV

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Jul 25, 2017 at 5:17 AM, Xiangliang.Yu <Xiangliang.Yu at amd.com> wrote:
> From: Frank Min <Frank.Min at amd.com>
>
> 1.Since in sriov there is no need of decoding, so skip the related code;
> 2.Vcpu boot up and umc enable need to take at the end of the init sequence;
>
> Signed-off-by: Frank Min <Frank.Min at amd.com>
> Signed-off-by: Xiangliang.Yu <Xiangliang.Yu at amd.com>

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

> ---
>  drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 58 +++++++----------------------------
>  1 file changed, 11 insertions(+), 47 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
> index 590c3f0..3b64951 100644
> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
> @@ -745,11 +745,9 @@ static int uvd_v7_0_sriov_start(struct amdgpu_device *adev)
>                 init_table += header->uvd_table_offset;
>
>                 ring = &adev->uvd.ring;
> +               ring->wptr = 0;
>                 size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4);
>
> -               /* disable clock gating */
> -               MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
> -                                                  ~UVD_POWER_STATUS__UVD_PG_MODE_MASK, 0);
>                 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS),
>                                                    0xFFFFFFFF, 0x00000004);
>                 /* mc resume*/
> @@ -786,12 +784,6 @@ static int uvd_v7_0_sriov_start(struct amdgpu_device *adev)
>                 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CACHE_SIZE2),
>                                             AMDGPU_UVD_STACK_SIZE + (AMDGPU_UVD_SESSION_SIZE * 40));
>
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_UDEC_ADDR_CONFIG),
> -                                           adev->gfx.config.gb_addr_config);
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG),
> -                                           adev->gfx.config.gb_addr_config);
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG),
> -                                           adev->gfx.config.gb_addr_config);
>                 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_GP_SCRATCH4), adev->uvd.max_handles);
>                 /* mc resume end*/
>
> @@ -828,17 +820,6 @@ static int uvd_v7_0_sriov_start(struct amdgpu_device *adev)
>                                                        UVD_LMI_CTRL__REQ_MODE_MASK |
>                                                        0x00100000L));
>
> -               /* disable byte swapping */
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_SWAP_CNTL), 0);
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MP_SWAP_CNTL), 0);
> -
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MPC_SET_MUXA0), 0x40c2040);
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MPC_SET_MUXA1), 0x0);
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MPC_SET_MUXB0), 0x40c2040);
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MPC_SET_MUXB1), 0x0);
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MPC_SET_ALU), 0);
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MPC_SET_MUX), 0x88);
> -
>                 /* take all subblocks out of reset, except VCPU */
>                 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
>                                             UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
> @@ -847,15 +828,6 @@ static int uvd_v7_0_sriov_start(struct amdgpu_device *adev)
>                 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL),
>                                             UVD_VCPU_CNTL__CLK_EN_MASK);
>
> -               /* enable UMC */
> -               MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2),
> -                                                  ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 0);
> -
> -               /* boot up the VCPU */
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0);
> -
> -               MMSCH_V1_0_INSERT_DIRECT_POLL(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0x02, 0x02);
> -
>                 /* enable master interrupt */
>                 MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
>                                                    ~(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK),
> @@ -868,32 +840,24 @@ static int uvd_v7_0_sriov_start(struct amdgpu_device *adev)
>                 /* force RBC into idle state */
>                 size = order_base_2(ring->ring_size);
>                 tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, size);
> -               tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
>                 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
> -               tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0);
> -               tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
> -               tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
>                 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), tmp);
>
> -               /* set the write pointer delay */
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL), 0);
> -
> -               /* set the wb address */
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR),
> -                                           (upper_32_bits(ring->gpu_addr) >> 2));
> -
> -               /* programm the RB_BASE for ring buffer */
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
> -                                           lower_32_bits(ring->gpu_addr));
> -               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
> -                                           upper_32_bits(ring->gpu_addr));
> -
> -               ring->wptr = 0;
>                 ring = &adev->uvd.ring_enc[0];
> +               ring->wptr = 0;
>                 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_BASE_LO), ring->gpu_addr);
>                 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_BASE_HI), upper_32_bits(ring->gpu_addr));
>                 MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_SIZE), ring->ring_size / 4);
>
> +               /* boot up the VCPU */
> +               MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0);
> +
> +               /* enable UMC */
> +               MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2),
> +                                                                                  ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 0);
> +
> +               MMSCH_V1_0_INSERT_DIRECT_POLL(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0x02, 0x02);
> +
>                 /* add end packet */
>                 memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));
>                 table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4;
> --
> 2.7.4
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx


[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux