Re: Question on 640x480 @ 72fps

2018-09-03 Thread Daniel Vetter
On Fri, Aug 31, 2018 at 11:07:12AM -0700, Abhinav Kumar wrote: > Hi Sean/Ville > > Thanks for the comments. > > This mode 640x480 @ 72Hz comes directly from the VESA spec ( DMT Standards > and Guidelines Summary ). > > Yes, I understand that the hardware will still be running at 72.8 Hz. > >

Re: Question on 640x480 @ 72fps

2018-08-31 Thread Abhinav Kumar
Hi Sean/Ville Thanks for the comments. This mode 640x480 @ 72Hz comes directly from the VESA spec ( DMT Standards and Guidelines Summary ). Yes, I understand that the hardware will still be running at 72.8 Hz. The background behind the test is its actually testing out the EDID parser with

Re: Question on 640x480 @ 72fps

2018-08-31 Thread Sean Paul
On Thu, Aug 30, 2018 at 07:32:58PM -0700, abhin...@codeaurora.org wrote: > Hello > > During one of our internal tests, we ran into an issue where the calculated > refresh rate for the mode using the drm_mode_vrefresh() API doesnt > match the theoretical value due to rounding. > > 552{

Re: Question on 640x480 @ 72fps

2018-08-31 Thread Ville Syrjälä
On Thu, Aug 30, 2018 at 07:32:58PM -0700, abhin...@codeaurora.org wrote: > Hello > > During one of our internal tests, we ran into an issue where the > calculated refresh rate for the mode using the drm_mode_vrefresh() API > doesnt > match the theoretical value due to rounding. > > 552{

Question on 640x480 @ 72fps

2018-08-30 Thread abhinavk
Hello During one of our internal tests, we ran into an issue where the calculated refresh rate for the mode using the drm_mode_vrefresh() API doesnt match the theoretical value due to rounding. 552{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, 553 704, 832, 0,