[Intel-gfx] [PATCH] drm/i915: Fix panel fitting regression since 734b4157

[Jin, Gordon]

Jesse Barnes wrote on Sunday, July 18, 2010 9:10 AM:
> On Sat, 17 Jul 2010 12:46:08 +0100
> Chris Wilson <chris at chris-wilson.co.uk> wrote:
> 
>> The crtc mode fixup is run after the encoders adjust the mode to fit
>> on their output, so don't reset the mode!
>> 
>> Fixes:
>> 
>>   Bug 29057 - display corruption under 800x600 on netbook
>>               (1024x600) with 'Full Aspect' scaling
>>   https://bugs.freedesktop.org/show_bug.cgi?id=29057
>> 
>> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
>> Cc: Jesse Barnes <jbarnes at virtuousgeek.org>
>> ---
>>  drivers/gpu/drm/i915/intel_display.c |    2 --
>>  1 files changed, 0 insertions(+), 2 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/intel_display.c
>> b/drivers/gpu/drm/i915/intel_display.c index 68dcf36..77e1c75 100644
>> --- a/drivers/gpu/drm/i915/intel_display.c
>> +++ b/drivers/gpu/drm/i915/intel_display.c
>> @@ -2356,8 +2356,6 @@ static bool intel_crtc_mode_fixup(struct
>> drm_crtc *crtc, if (mode->clock * 3 > 27000 * 4)
>>  			return MODE_CLOCK_HIGH;
>>  	}
>> -
>> -	drm_mode_set_crtcinfo(adjusted_mode, 0);
>>  	return true;
>>  }
>> 
> 
> Wow old breakage, I guess we don't test the other fitting modes very
> well.
> 
> Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>

Chris's patch fixes this problem on our side.

Tested-by: Xun Fang <xunx.fang at intel.com>

Thanks
Gordon