diff options
| author | Rob Clark <robdclark@chromium.org> | 2023-03-20 17:43:35 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2023-03-26 02:31:45 +0300 |
| commit | 8ead9678316376ee1dd05ffddfa6a620047b1d4f (patch) | |
| tree | 76e091b3f59128c6129219cf0888ebd77d4b3c0b /drivers/gpu/drm/msm/adreno/a5xx_gpu.c | |
| parent | 624831b3fa3b4f7bbcf526d1b8a125add432d04f (diff) | |
| download | linux-8ead9678316376ee1dd05ffddfa6a620047b1d4f.tar.xz | |
drm/msm/gpu: Move BO allocation out of hw_init
These allocations are only done the first (successful) time through
hw_init() so they won't actually happen in the job_run() path. But
lockdep doesn't know this. So dis-entangle them from the hw_init()
path.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/527852/
Link: https://lore.kernel.org/r/20230320144356.803762-14-robdclark@gmail.com
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a5xx_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 48 |
1 files changed, 23 insertions, 25 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 0372f8908202..d6c1c3ab19a3 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -567,7 +567,7 @@ static void a5xx_ucode_check_version(struct a5xx_gpu *a5xx_gpu, msm_gem_put_vaddr(obj); } -static int a5xx_ucode_init(struct msm_gpu *gpu) +static int a5xx_ucode_load(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); @@ -605,9 +605,24 @@ static int a5xx_ucode_init(struct msm_gpu *gpu) a5xx_ucode_check_version(a5xx_gpu, a5xx_gpu->pfp_bo); } - gpu_write64(gpu, REG_A5XX_CP_ME_INSTR_BASE_LO, a5xx_gpu->pm4_iova); + if (a5xx_gpu->has_whereami) { + if (!a5xx_gpu->shadow_bo) { + a5xx_gpu->shadow = msm_gem_kernel_new(gpu->dev, + sizeof(u32) * gpu->nr_rings, + MSM_BO_WC | MSM_BO_MAP_PRIV, + gpu->aspace, &a5xx_gpu->shadow_bo, + &a5xx_gpu->shadow_iova); - gpu_write64(gpu, REG_A5XX_CP_PFP_INSTR_BASE_LO, a5xx_gpu->pfp_iova); + if (IS_ERR(a5xx_gpu->shadow)) + return PTR_ERR(a5xx_gpu->shadow); + + msm_gem_object_set_name(a5xx_gpu->shadow_bo, "shadow"); + } + } else if (gpu->nr_rings > 1) { + /* Disable preemption if WHERE_AM_I isn't available */ + a5xx_preempt_fini(gpu); + gpu->nr_rings = 1; + } return 0; } @@ -900,9 +915,8 @@ static int a5xx_hw_init(struct msm_gpu *gpu) if (adreno_is_a530(adreno_gpu) || adreno_is_a540(adreno_gpu)) a5xx_gpmu_ucode_init(gpu); - ret = a5xx_ucode_init(gpu); - if (ret) - return ret; + gpu_write64(gpu, REG_A5XX_CP_ME_INSTR_BASE_LO, a5xx_gpu->pm4_iova); + gpu_write64(gpu, REG_A5XX_CP_PFP_INSTR_BASE_LO, a5xx_gpu->pfp_iova); /* Set the ringbuffer address */ gpu_write64(gpu, REG_A5XX_CP_RB_BASE, gpu->rb[0]->iova); @@ -916,27 +930,10 @@ static int a5xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A5XX_CP_RB_CNTL, MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE); - /* Create a privileged buffer for the RPTR shadow */ - if (a5xx_gpu->has_whereami) { - if (!a5xx_gpu->shadow_bo) { - a5xx_gpu->shadow = msm_gem_kernel_new(gpu->dev, - sizeof(u32) * gpu->nr_rings, - MSM_BO_WC | MSM_BO_MAP_PRIV, - gpu->aspace, &a5xx_gpu->shadow_bo, - &a5xx_gpu->shadow_iova); - - if (IS_ERR(a5xx_gpu->shadow)) - return PTR_ERR(a5xx_gpu->shadow); - - msm_gem_object_set_name(a5xx_gpu->shadow_bo, "shadow"); - } - + /* Configure the RPTR shadow if needed: */ + if (a5xx_gpu->shadow_bo) { gpu_write64(gpu, REG_A5XX_CP_RB_RPTR_ADDR, shadowptr(a5xx_gpu, gpu->rb[0])); - } else if (gpu->nr_rings > 1) { - /* Disable preemption if WHERE_AM_I isn't available */ - a5xx_preempt_fini(gpu); - gpu->nr_rings = 1; } a5xx_preempt_hw_init(gpu); @@ -1682,6 +1679,7 @@ static const struct adreno_gpu_funcs funcs = { .get_param = adreno_get_param, .set_param = adreno_set_param, .hw_init = a5xx_hw_init, + .ucode_load = a5xx_ucode_load, .pm_suspend = a5xx_pm_suspend, .pm_resume = a5xx_pm_resume, .recover = a5xx_recover, |