diff options
Diffstat (limited to 'drivers/gpu/drm/tinydrm/repaper.c')
| -rw-r--r-- | drivers/gpu/drm/tinydrm/repaper.c | 7 |
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", |