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Diffstat (limited to 'drivers/gpu/drm/nouveau')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.c13
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c14
2 files changed, 24 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 196612addfd6..1c9c0cdf85db 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -2693,9 +2693,20 @@ nv50_display_create(struct drm_device *dev)
else
nouveau_display(dev)->format_modifiers = disp50xx_modifiers;
- if (disp->disp->object.oclass >= GK104_DISP) {
+ /* FIXME: 256x256 cursors are supported on Kepler, however unlike Maxwell and later
+ * generations Kepler requires that we use small pages (4K) for cursor scanout surfaces. The
+ * proper fix for this is to teach nouveau to migrate fbs being used for the cursor plane to
+ * small page allocations in prepare_fb(). When this is implemented, we should also force
+ * large pages (128K) for ovly fbs in order to fix Kepler ovlys.
+ * But until then, just limit cursors to 128x128 - which is small enough to avoid ever using
+ * large pages.
+ */
+ if (disp->disp->object.oclass >= GM107_DISP) {
dev->mode_config.cursor_width = 256;
dev->mode_config.cursor_height = 256;
+ } else if (disp->disp->object.oclass >= GK104_DISP) {
+ dev->mode_config.cursor_width = 128;
+ dev->mode_config.cursor_height = 128;
} else {
dev->mode_config.cursor_width = 64;
dev->mode_config.cursor_height = 64;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 2375711877cf..f2720a006199 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -551,12 +551,17 @@ nouveau_bo_sync_for_device(struct nouveau_bo *nvbo)
if (!ttm_dma)
return;
+ if (!ttm_dma->pages) {
+ NV_DEBUG(drm, "ttm_dma 0x%p: pages NULL\n", ttm_dma);
+ return;
+ }
/* Don't waste time looping if the object is coherent */
if (nvbo->force_coherent)
return;
- for (i = 0; i < ttm_dma->num_pages; ++i) {
+ i = 0;
+ while (i < ttm_dma->num_pages) {
struct page *p = ttm_dma->pages[i];
size_t num_pages = 1;
@@ -582,12 +587,17 @@ nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo)
if (!ttm_dma)
return;
+ if (!ttm_dma->pages) {
+ NV_DEBUG(drm, "ttm_dma 0x%p: pages NULL\n", ttm_dma);
+ return;
+ }
/* Don't waste time looping if the object is coherent */
if (nvbo->force_coherent)
return;
- for (i = 0; i < ttm_dma->num_pages; ++i) {
+ i = 0;
+ while (i < ttm_dma->num_pages) {
struct page *p = ttm_dma->pages[i];
size_t num_pages = 1;