| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.8 070/125] staging: sm750fb: Correctly set CLOCK_PHASE bit of display controller. | Date | Sat, 29 Oct 2016 09:49:48 -0400 |
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4.8-stable review patch. If anyone has any objections, please let me know.
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From: Phil Turnbull <phil.turnbull@oracle.com>
commit 992f961480d23e9ef9e686e512a419efef723523 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/staging/sm750fb/ddk750_mode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/staging/sm750fb/ddk750_mode.c +++ b/drivers/staging/sm750fb/ddk750_mode.c @@ -63,7 +63,7 @@ static unsigned long displayControlAdjus 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);
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