diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dbi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mipi_dbi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c index 89e05a5bed1d..ba4be6be5d28 100644 --- a/drivers/gpu/drm/drm_mipi_dbi.c +++ b/drivers/gpu/drm/drm_mipi_dbi.c @@ -8,6 +8,7 @@ #include <linux/backlight.h> #include <linux/debugfs.h> #include <linux/delay.h> +#include <linux/export.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/regulator/consumer.h> @@ -404,12 +405,16 @@ static void mipi_dbi_blank(struct mipi_dbi_dev *dbidev) u16 height = drm->mode_config.min_height; u16 width = drm->mode_config.min_width; struct mipi_dbi *dbi = &dbidev->dbi; - size_t len = width * height * 2; + const struct drm_format_info *dst_format; + size_t len; int idx; if (!drm_dev_enter(drm, &idx)) return; + dst_format = drm_format_info(dbidev->pixel_format); + len = drm_format_info_min_pitch(dst_format, 0, width) * height; + memset(dbidev->tx_buf, 0, len); mipi_dbi_set_window_address(dbidev, 0, width - 1, 0, height - 1); |