[PATCH 1/9] drm/radeon: rework VCE FW size calculation

Alex Deucher alexdeucher at gmail.com
Tue May 12 08:53:23 PDT 2015


On Mon, May 11, 2015 at 4:01 PM, Christian König
<deathsimple at vodafone.de> wrote:
> From: Christian König <christian.koenig at amd.com>
>
> Previously we were completely over allocating, fix this
> by actually implementing the size calculation.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>

Applied the series to my next tree.

Alex

> ---
>  drivers/gpu/drm/radeon/radeon.h      |  2 --
>  drivers/gpu/drm/radeon/radeon_asic.h |  1 +
>  drivers/gpu/drm/radeon/radeon_vce.c  |  3 +--
>  drivers/gpu/drm/radeon/vce_v2_0.c    | 16 +++++++++++++---
>  4 files changed, 15 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
> index 46eb0fa..34c51a2 100644
> --- a/drivers/gpu/drm/radeon/radeon.h
> +++ b/drivers/gpu/drm/radeon/radeon.h
> @@ -1709,8 +1709,6 @@ int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
>   * VCE
>   */
>  #define RADEON_MAX_VCE_HANDLES 16
> -#define RADEON_VCE_STACK_SIZE  (1024*1024)
> -#define RADEON_VCE_HEAP_SIZE   (4*1024*1024)
>
>  struct radeon_vce {
>         struct radeon_bo        *vcpu_bo;
> diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
> index a3ca8cd..cb7787f 100644
> --- a/drivers/gpu/drm/radeon/radeon_asic.h
> +++ b/drivers/gpu/drm/radeon/radeon_asic.h
> @@ -974,6 +974,7 @@ int vce_v1_0_init(struct radeon_device *rdev);
>  int vce_v1_0_start(struct radeon_device *rdev);
>
>  /* vce v2.0 */
> +unsigned vce_v2_0_bo_size(struct radeon_device *rdev);
>  int vce_v2_0_resume(struct radeon_device *rdev);
>
>  #endif
> diff --git a/drivers/gpu/drm/radeon/radeon_vce.c b/drivers/gpu/drm/radeon/radeon_vce.c
> index 0de5711..5b952bd 100644
> --- a/drivers/gpu/drm/radeon/radeon_vce.c
> +++ b/drivers/gpu/drm/radeon/radeon_vce.c
> @@ -123,8 +123,7 @@ int radeon_vce_init(struct radeon_device *rdev)
>
>         /* allocate firmware, stack and heap BO */
>
> -       size = RADEON_GPU_PAGE_ALIGN(rdev->vce_fw->size) +
> -              RADEON_VCE_STACK_SIZE + RADEON_VCE_HEAP_SIZE;
> +       size = vce_v2_0_bo_size(rdev);
>         r = radeon_bo_create(rdev, size, PAGE_SIZE, true,
>                              RADEON_GEM_DOMAIN_VRAM, 0, NULL, NULL,
>                              &rdev->vce.vcpu_bo);
> diff --git a/drivers/gpu/drm/radeon/vce_v2_0.c b/drivers/gpu/drm/radeon/vce_v2_0.c
> index fbbe78f..cdeaab7 100644
> --- a/drivers/gpu/drm/radeon/vce_v2_0.c
> +++ b/drivers/gpu/drm/radeon/vce_v2_0.c
> @@ -31,6 +31,10 @@
>  #include "radeon_asic.h"
>  #include "cikd.h"
>
> +#define VCE_V2_0_FW_SIZE       (256 * 1024)
> +#define VCE_V2_0_STACK_SIZE    (64 * 1024)
> +#define VCE_V2_0_DATA_SIZE     (23552 * RADEON_MAX_VCE_HANDLES)
> +
>  static void vce_v2_0_set_sw_cg(struct radeon_device *rdev, bool gated)
>  {
>         u32 tmp;
> @@ -140,6 +144,12 @@ static void vce_v2_0_init_cg(struct radeon_device *rdev)
>         WREG32(VCE_CLOCK_GATING_B, tmp);
>  }
>
> +unsigned vce_v2_0_bo_size(struct radeon_device *rdev)
> +{
> +       WARN_ON(rdev->vce_fw->size > VCE_V2_0_FW_SIZE);
> +       return VCE_V2_0_FW_SIZE + VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE;
> +}
> +
>  int vce_v2_0_resume(struct radeon_device *rdev)
>  {
>         uint64_t addr = rdev->vce.gpu_addr;
> @@ -159,17 +169,17 @@ int vce_v2_0_resume(struct radeon_device *rdev)
>         WREG32(VCE_LMI_VCPU_CACHE_40BIT_BAR, addr >> 8);
>
>         addr &= 0xff;
> -       size = RADEON_GPU_PAGE_ALIGN(rdev->vce_fw->size);
> +       size = VCE_V2_0_FW_SIZE;
>         WREG32(VCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
>         WREG32(VCE_VCPU_CACHE_SIZE0, size);
>
>         addr += size;
> -       size = RADEON_VCE_STACK_SIZE;
> +       size = VCE_V2_0_STACK_SIZE;
>         WREG32(VCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
>         WREG32(VCE_VCPU_CACHE_SIZE1, size);
>
>         addr += size;
> -       size = RADEON_VCE_HEAP_SIZE;
> +       size = VCE_V2_0_DATA_SIZE;
>         WREG32(VCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
>         WREG32(VCE_VCPU_CACHE_SIZE2, size);
>
> --
> 1.9.1
>


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