[Intel-gfx] [PATCH v2 47/59] drm/kmb: Don’t inadvertantly disable LCD controller

[Anitha Chrisanthus]

setbits instead of write dword for LCD_CONTROL register
this was inadvertantly disabling the LCD controller.

Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus at intel.com>
Reviewed-by: Bob Paauwe <bob.j.paauwe at intel.com>
---
 drivers/gpu/drm/kmb/kmb_plane.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/kmb/kmb_plane.c b/drivers/gpu/drm/kmb/kmb_plane.c
index 3245ec7..1582ccf 100644
--- a/drivers/gpu/drm/kmb/kmb_plane.c
+++ b/drivers/gpu/drm/kmb/kmb_plane.c
@@ -158,6 +158,9 @@ static void kmb_plane_atomic_disable(struct drm_plane *plane,
 	kmb_clr_bitmask_lcd(dev_p, LCD_LAYERn_DMA_CFG(plane_id),
 			LCD_DMA_LAYER_ENABLE);
 	kmb_clr_bitmask_lcd(dev_p, LCD_CONTROL, ctrl);
+	DRM_INFO("%s : %d lcd_ctrl = 0x%x lcd_int_enable=0x%x\n",
+			__func__, __LINE__, kmb_read_lcd(dev_p, LCD_CONTROL),
+			kmb_read_lcd(dev_p, LCD_INT_ENABLE));
 }
 
 
@@ -454,7 +457,7 @@ static void kmb_plane_atomic_update(struct drm_plane *plane,
 	 */
 	ctrl |= LCD_CTRL_VHSYNC_IDLE_LVL;
 
-	kmb_write_lcd(dev_p, LCD_CONTROL, ctrl);
+	kmb_set_bitmask_lcd(dev_p, LCD_CONTROL, ctrl);
 
 	/* FIXME no doc on how to set output format,these values are taken
 	 * from the Myriadx tests
-- 
2.7.4