Re: [Intel-gfx] [PATCH] drm/i915: Fail if DSC compression requirement is less than platform supports

2023-06-29 Thread Luca Coelho
On Thu, 2023-06-29 at 15:25 +0300, Stanislav Lisovskiy wrote: > Currently we just clamp that value to the highest supported one, however that > means, we are not able to fit this into our available bandwidth range, so we > might see glitches or FIFO underruns. > While choosing less compressed bpp

[Intel-gfx] [PATCH] drm/i915: Fail if DSC compression requirement is less than platform supports

2023-06-29 Thread Stanislav Lisovskiy
Currently we just clamp that value to the highest supported one, however that means, we are not able to fit this into our available bandwidth range, so we might see glitches or FIFO underruns. While choosing less compressed bpp than min bpp required to handle the mode is harmless and might even

Re: [Intel-gfx] [PATCH] drm/i915: Fail if DSC compression requirement is less than platform supports

2023-06-26 Thread Lisovskiy, Stanislav
On Mon, Jun 26, 2023 at 03:18:52PM +0300, Luca Coelho wrote: > On Mon, 2023-06-26 at 11:28 +0300, Stanislav Lisovskiy wrote: > > Currently we just clamp that value to the highest supported one, however > > that > > means, we are not able to fit this into our available bandwidth range, so we > >

Re: [Intel-gfx] [PATCH] drm/i915: Fail if DSC compression requirement is less than platform supports

2023-06-26 Thread Luca Coelho
On Mon, 2023-06-26 at 11:28 +0300, Stanislav Lisovskiy wrote: > Currently we just clamp that value to the highest supported one, however that > means, we are not able to fit this into our available bandwidth range, so we > might see glitches or FIFO underruns. > While choosing less compressed bpp

[Intel-gfx] [PATCH] drm/i915: Fail if DSC compression requirement is less than platform supports

2023-06-26 Thread Stanislav Lisovskiy
Currently we just clamp that value to the highest supported one, however that means, we are not able to fit this into our available bandwidth range, so we might see glitches or FIFO underruns. While choosing less compressed bpp than min bpp required to handle the mode is harmless and might even