diff options
author | Thomas Zimmermann <tzimmermann@suse.de> | 2021-10-15 11:40:51 +0300 |
---|---|---|
committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-10-19 11:38:54 +0300 |
commit | 33e079bc1530df4596181ccbfded8752bbedb92c (patch) | |
tree | f776ff383612cca932e683c051de6d5f7a358532 /drivers/gpu/drm/gma500 | |
parent | 3c101135baf2dcfa64081239818039a1fcc7767a (diff) | |
download | linux-33e079bc1530df4596181ccbfded8752bbedb92c.tar.xz |
drm/gma500: Set page-caching flags in GEM pin/unpin
Caching of the GEM object's backing pages are unrelated to GTT
management. Move the respective calls from GTT code to GEM code.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211015084053.13708-9-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/gma500')
-rw-r--r-- | drivers/gpu/drm/gma500/gem.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/gma500/gtt.c | 17 | ||||
-rw-r--r-- | drivers/gpu/drm/gma500/gtt.h | 2 |
3 files changed, 11 insertions, 17 deletions
diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c index 425d183c76ca..def26d9ce89d 100644 --- a/drivers/gpu/drm/gma500/gem.c +++ b/drivers/gpu/drm/gma500/gem.c @@ -13,6 +13,8 @@ #include <linux/pagemap.h> +#include <asm/set_memory.h> + #include <drm/drm.h> #include <drm/drm_vma_manager.h> @@ -41,7 +43,9 @@ int psb_gem_pin(struct gtt_range *gt) npages = gt->gem.size / PAGE_SIZE; - ret = psb_gtt_insert(dev, gt, 0); + set_pages_array_wc(pages, npages); + + ret = psb_gtt_insert(dev, gt); if (ret) goto err_drm_gem_put_pages; @@ -84,6 +88,9 @@ void psb_gem_unpin(struct gtt_range *gt) (gpu_base + gt->offset), gt->npage, 0, 0); psb_gtt_remove(dev, gt); + /* Reset caching flags */ + set_pages_array_wb(gt->pages, gt->npage); + drm_gem_put_pages(>->gem, gt->pages, true, false); gt->pages = NULL; diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c index d00ca065f3d3..3a716a970a8a 100644 --- a/drivers/gpu/drm/gma500/gtt.c +++ b/drivers/gpu/drm/gma500/gtt.c @@ -7,10 +7,6 @@ * Alan Cox <alan@linux.intel.com> */ -#include <linux/shmem_fs.h> - -#include <asm/set_memory.h> - #include "psb_drv.h" @@ -92,17 +88,15 @@ static u32 __iomem *psb_gtt_entry(struct drm_device *dev, struct gtt_range *r) * psb_gtt_insert - put an object into the GTT * @dev: our DRM device * @r: our GTT range - * @resume: on resume * * Take our preallocated GTT range and insert the GEM object into * the GTT. This is protected via the gtt mutex which the caller * must hold. */ -int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r, int resume) +int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r) { u32 __iomem *gtt_slot; u32 pte; - struct page **pages; int i; if (r->pages == NULL) { @@ -113,12 +107,6 @@ int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r, int resume) WARN_ON(r->stolen); /* refcount these maybe ? */ gtt_slot = psb_gtt_entry(dev, r); - pages = r->pages; - - if (!resume) { - /* Make sure changes are visible to the GPU */ - set_pages_array_wc(pages, r->npage); - } /* Write our page entries into the GTT itself */ for (i = 0; i < r->npage; i++) { @@ -158,7 +146,6 @@ void psb_gtt_remove(struct drm_device *dev, struct gtt_range *r) for (i = 0; i < r->npage; i++) iowrite32(pte, gtt_slot++); ioread32(gtt_slot - 1); - set_pages_array_wb(r->pages, r->npage); } static void psb_gtt_alloc(struct drm_device *dev) @@ -349,7 +336,7 @@ int psb_gtt_restore(struct drm_device *dev) while (r != NULL) { range = container_of(r, struct gtt_range, resource); if (range->pages) { - psb_gtt_insert(dev, range, 1); + psb_gtt_insert(dev, range); size += range->resource.end - range->resource.start; restored++; } diff --git a/drivers/gpu/drm/gma500/gtt.h b/drivers/gpu/drm/gma500/gtt.h index 6f3808e29059..ddb4f3af93f7 100644 --- a/drivers/gpu/drm/gma500/gtt.h +++ b/drivers/gpu/drm/gma500/gtt.h @@ -49,7 +49,7 @@ int psb_gtt_allocate_resource(struct drm_psb_private *pdev, struct resource *res const char *name, resource_size_t size, resource_size_t align, bool stolen, u32 *offset); -int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r, int resume); +int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r); void psb_gtt_remove(struct drm_device *dev, struct gtt_range *r); #endif |