drm/mgag200: Don't change unrelated registers during modeset

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / gpu / drm / mgag200 / mgag200_mode.c

diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 7337013a4a0e618acd35c68c4d0ea8c961daf976..2affe7af6cbb0f7cadd898611bcee36f47531693 100644 (file)
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -832,11 +832,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
 
 
        for (i = 0; i < sizeof(dacvalue); i++) {
-               if ((i <= 0x03) ||
-                   (i == 0x07) ||
-                   (i == 0x0b) ||
-                   (i == 0x0f) ||
-                   ((i >= 0x13) && (i <= 0x17)) ||
+               if ((i <= 0x17) ||
                    (i == 0x1b) ||
                    (i == 0x1c) ||
                    ((i >= 0x1f) && (i <= 0x29)) ||