diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 8fa5c917d017..a5af223eaf50 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -755,12 +755,8 @@ 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); - /* Disable preemption if WHERE_AM_I isn't available */ - if (!a5xx_gpu->has_whereami && gpu->nr_rings > 1) { - a5xx_preempt_fini(gpu); - gpu->nr_rings = 1; - } else { - /* Create a privileged buffer for the RPTR shadow */ + /* 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, @@ -774,6 +770,10 @@ static int a5xx_hw_init(struct msm_gpu *gpu) gpu_write64(gpu, REG_A5XX_CP_RB_RPTR_ADDR, REG_A5XX_CP_RB_RPTR_ADDR_HI, 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);