[Openchrome-devel] xf86-video-openchrome: src/via_display.c

[Kevin Brace]

 src/via_display.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

New commits:
commit 5243e4533c01a1208dd684ea26e04f925816f38e
Author: Kevin Brace <kevinbrace at gmx.com>
Date:   Tue May 31 20:29:32 2016 -0700

    IGA1 vertical blank start should not have 1 subtracted from it
    
    After thinking about IGA1 vertical blank start, it should not have
    a value of 1 subtracted from it.
    
    Signed-off-by: Kevin Brace <kevinbrace at gmx.com>

diff --git a/src/via_display.c b/src/via_display.c
index 1975dfe..cf393a0 100644
--- a/src/via_display.c
+++ b/src/via_display.c
@@ -812,11 +812,9 @@ viaIGA1SetDisplayRegister(ScrnInfoPtr pScrn, DisplayModePtr mode)
 
 
     /* Set IGA1 vertical blank start. */
-    /* Vertical blank start requires the value to be 1 less
-     * than the actual value being written. */
     DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
                         "IGA1 CrtcVBlankStart: %d\n", mode->CrtcVBlankStart));
-    temp = mode->CrtcVBlankStart - 1;
+    temp = mode->CrtcVBlankStart;
 
     /* 3X5.15[7:0] - Vertical Blanking Start Bits [7:0] */
     hwp->writeCrtc(hwp, 0x15, temp & 0xFF);