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authorDave Airlie <airlied@redhat.com>2016-09-30 06:00:36 +0300
committerDave Airlie <airlied@redhat.com>2016-09-30 06:00:36 +0300
commitb2d7e08903e62b9f504fe6a954425b737aa9ff96 (patch)
tree20dde1ed527527304d32f33d76af396bd2b67485 /drivers
parent011a9b9d50c952de93a984e971d1865946641577 (diff)
parent08ee01789eebf433c27e8b3eecc3ddbb5f7c4d51 (diff)
downloadlinux-b2d7e08903e62b9f504fe6a954425b737aa9ff96.tar.xz
Merge tag 'drm/tegra/for-4.9-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v4.9-rc1 One bugfix that avoids overwriting the Y plane base address when displaying buffers with one of the YUV/YVU formats. * tag 'drm/tegra/for-4.9-rc1' of git://anongit.freedesktop.org/tegra/linux: drm/tegra: Fix window[0] base address corruption
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/tegra/dc.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 3de7ce33d3d4..4010d69cbd08 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -580,7 +580,14 @@ static void tegra_plane_atomic_update(struct drm_plane *plane,
struct tegra_bo *bo = tegra_fb_get_plane(fb, i);
window.base[i] = bo->paddr + fb->offsets[i];
- window.stride[i] = fb->pitches[i];
+
+ /*
+ * Tegra uses a shared stride for UV planes. Framebuffers are
+ * already checked for this in the tegra_plane_atomic_check()
+ * function, so it's safe to ignore the V-plane pitch here.
+ */
+ if (i < 2)
+ window.stride[i] = fb->pitches[i];
}
tegra_dc_setup_window(dc, p->index, &window);