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staging: sm750fb: Correctly set CLOCK_PHASE bit of display controller.

Message ID 20160902193531.12057-1-phil.turnbull@oracle.com (mailing list archive)
State New, archived
Headers show

Commit Message

phil.turnbull@oracle.com Sept. 2, 2016, 7:35 p.m. UTC
Commit 6fba39cf32a3 ("staging: sm750fb: use BIT macro for
PANEL_DISPLAY_CTRL single-bit fields") accidentally changed the
CLOCK_PHASE logic from '|=' to '=' which clears all the previously set
bits.

Fixes: 6fba39cf32a3 ("staging: sm750fb: use BIT macro for PANEL_DISPLAY_CTRL single-bit fields")
Signed-off-by: Phil Turnbull <phil.turnbull@oracle.com>
---
 drivers/staging/sm750fb/ddk750_mode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c
index ccb4e067661a..e29d4bd5dcec 100644
--- a/drivers/staging/sm750fb/ddk750_mode.c
+++ b/drivers/staging/sm750fb/ddk750_mode.c
@@ -63,7 +63,7 @@  static unsigned long displayControlAdjust_SM750LE(mode_parameter_t *pModeParam,
 	dispControl |= (CRT_DISPLAY_CTRL_CRTSELECT | CRT_DISPLAY_CTRL_RGBBIT);
 
 	/* Set bit 14 of display controller */
-	dispControl = DISPLAY_CTRL_CLOCK_PHASE;
+	dispControl |= DISPLAY_CTRL_CLOCK_PHASE;
 
 	POKE32(CRT_DISPLAY_CTRL, dispControl);