From a5fc7aa901b6818c67cc7e5cef8201fbaab8fa1b Mon Sep 17 00:00:00 2001 From: Jonathan Marek Date: Fri, 23 Apr 2021 15:08:18 -0400 Subject: drm/msm: replace MSM_BO_UNCACHED with MSM_BO_WC for internal objects msm_gem_get_vaddr() currently always maps as writecombine, so use the right flag instead of relying on broken behavior (things don't actually work if they are mapped as uncached). Signed-off-by: Jonathan Marek Acked-by: Jordan Crouse Link: https://lore.kernel.org/r/20210423190833.25319-3-jonathan@marek.ca Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/a5xx_preempt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/msm/adreno/a5xx_preempt.c') diff --git a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c index 42eaef7ad7c7..ee72510ff8ce 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c @@ -230,7 +230,7 @@ static int preempt_init_ring(struct a5xx_gpu *a5xx_gpu, ptr = msm_gem_kernel_new(gpu->dev, A5XX_PREEMPT_RECORD_SIZE + A5XX_PREEMPT_COUNTER_SIZE, - MSM_BO_UNCACHED | MSM_BO_MAP_PRIV, gpu->aspace, &bo, &iova); + MSM_BO_WC | MSM_BO_MAP_PRIV, gpu->aspace, &bo, &iova); if (IS_ERR(ptr)) return PTR_ERR(ptr); @@ -238,7 +238,7 @@ static int preempt_init_ring(struct a5xx_gpu *a5xx_gpu, /* The buffer to store counters needs to be unprivileged */ counters = msm_gem_kernel_new(gpu->dev, A5XX_PREEMPT_COUNTER_SIZE, - MSM_BO_UNCACHED, gpu->aspace, &counters_bo, &counters_iova); + MSM_BO_WC, gpu->aspace, &counters_bo, &counters_iova); if (IS_ERR(counters)) { msm_gem_kernel_put(bo, gpu->aspace, true); return PTR_ERR(counters); -- cgit v1.2.3