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path: root/drivers/gpu/drm/drm_mipi_dbi.c
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Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dbi.c')
-rw-r--r--drivers/gpu/drm/drm_mipi_dbi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
index e34058c721be..16bff1be4b8a 100644
--- a/drivers/gpu/drm/drm_mipi_dbi.c
+++ b/drivers/gpu/drm/drm_mipi_dbi.c
@@ -367,9 +367,9 @@ static void mipi_dbi_blank(struct mipi_dbi_dev *dbidev)
memset(dbidev->tx_buf, 0, len);
mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS, 0, 0,
- (width >> 8) & 0xFF, (width - 1) & 0xFF);
+ ((width - 1) >> 8) & 0xFF, (width - 1) & 0xFF);
mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS, 0, 0,
- (height >> 8) & 0xFF, (height - 1) & 0xFF);
+ ((height - 1) >> 8) & 0xFF, (height - 1) & 0xFF);
mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START,
(u8 *)dbidev->tx_buf, len);