gralloc: Correct stride for maguroreplicant-4.2-0004replicant-4.2-0003replicant-4.2-0002replicant-4.2-0001replicant-4.2

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

1 files changed, 9 insertions, 0 deletions

diff --git a/modules/gralloc/gralloc.cpp b/modules/gralloc/gralloc.cpp
index 796948d..730c040 100644
--- a/modules/gralloc/gralloc.cpp
+++ b/modules/gralloc/gralloc.cpp
@@ -237,6 +237,15 @@ static int gralloc_alloc(alloc_device_t* dev,
     int err;
     if (usage & GRALLOC_USAGE_HW_FB) {
         err = gralloc_alloc_framebuffer(dev, size, usage, pHandle);
+
+#ifdef TARGET_DEVICE_MAGURO
+        // PVR requires stride to be a multiple of 32
+        // omap kernel drivers set line_length accordingly
+        // so we need to correct the stride here
+        // in case framebuffer width is not a multiple of 32
+        stride += (31);
+        stride &= ~(31);
+#endif
     } else {
         err = gralloc_alloc_buffer(dev, size, usage, pHandle);
     }