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path: root/drivers/gpu/drm/tinydrm/repaper.c
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Diffstat (limited to 'drivers/gpu/drm/tinydrm/repaper.c')
-rw-r--r--drivers/gpu/drm/tinydrm/repaper.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/tinydrm/repaper.c b/drivers/gpu/drm/tinydrm/repaper.c
index 50a1d4216ce7..54d6fe0f37ce 100644
--- a/drivers/gpu/drm/tinydrm/repaper.c
+++ b/drivers/gpu/drm/tinydrm/repaper.c
@@ -26,6 +26,8 @@
#include <linux/spi/spi.h>
#include <linux/thermal.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/tinydrm/tinydrm.h>
#include <drm/tinydrm/tinydrm-helpers.h>
@@ -106,12 +108,11 @@ static int repaper_spi_transfer(struct spi_device *spi, u8 header,
/* Stack allocated tx? */
if (tx && len <= 32) {
- txbuf = kmalloc(len, GFP_KERNEL);
+ txbuf = kmemdup(tx, len, GFP_KERNEL);
if (!txbuf) {
ret = -ENOMEM;
goto out_free;
}
- memcpy(txbuf, tx, len);
}
if (rx) {
@@ -882,7 +883,7 @@ static struct drm_driver repaper_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
DRIVER_ATOMIC,
.fops = &repaper_fops,
- TINYDRM_GEM_DRIVER_OPS,
+ DRM_GEM_CMA_VMAP_DRIVER_OPS,
.name = "repaper",
.desc = "Pervasive Displays RePaper e-ink panels",
.date = "20170405",