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-rw-r--r--drivers/gpu/drm/panfrost/panfrost_gpu.c6
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_mmu.c13
2 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c
index 9063ce254642..fd8e44992184 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gpu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c
@@ -441,19 +441,19 @@ void panfrost_gpu_power_off(struct panfrost_device *pfdev)
gpu_write(pfdev, SHADER_PWROFF_LO, pfdev->features.shader_present);
ret = readl_relaxed_poll_timeout(pfdev->iomem + SHADER_PWRTRANS_LO,
- val, !val, 1, 1000);
+ val, !val, 1, 2000);
if (ret)
dev_err(pfdev->dev, "shader power transition timeout");
gpu_write(pfdev, TILER_PWROFF_LO, pfdev->features.tiler_present);
ret = readl_relaxed_poll_timeout(pfdev->iomem + TILER_PWRTRANS_LO,
- val, !val, 1, 1000);
+ val, !val, 1, 2000);
if (ret)
dev_err(pfdev->dev, "tiler power transition timeout");
gpu_write(pfdev, L2_PWROFF_LO, pfdev->features.l2_present);
ret = readl_poll_timeout(pfdev->iomem + L2_PWRTRANS_LO,
- val, !val, 0, 1000);
+ val, !val, 0, 2000);
if (ret)
dev_err(pfdev->dev, "l2 power transition timeout");
}
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index f38385fe76bb..b91019cd5acb 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -502,11 +502,18 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
mapping_set_unevictable(mapping);
for (i = page_offset; i < page_offset + NUM_FAULT_PAGES; i++) {
+ /* Can happen if the last fault only partially filled this
+ * section of the pages array before failing. In that case
+ * we skip already filled pages.
+ */
+ if (pages[i])
+ continue;
+
pages[i] = shmem_read_mapping_page(mapping, i);
if (IS_ERR(pages[i])) {
ret = PTR_ERR(pages[i]);
pages[i] = NULL;
- goto err_pages;
+ goto err_unlock;
}
}
@@ -514,7 +521,7 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
ret = sg_alloc_table_from_pages(sgt, pages + page_offset,
NUM_FAULT_PAGES, 0, SZ_2M, GFP_KERNEL);
if (ret)
- goto err_pages;
+ goto err_unlock;
ret = dma_map_sgtable(pfdev->dev, sgt, DMA_BIDIRECTIONAL, 0);
if (ret)
@@ -537,8 +544,6 @@ out:
err_map:
sg_free_table(sgt);
-err_pages:
- drm_gem_shmem_put_pages(&bo->base);
err_unlock:
dma_resv_unlock(obj->resv);
err_bo: