Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-05-07 Thread Frieder Schrempf
On 25.04.24 22:30, Adam Ford wrote: > On Thu, Apr 25, 2024 at 4:19 AM Marek Szyprowski > wrote: >> >> On 12.02.2024 00:09, Adam Ford wrote: >>> When using video sync pulses, the HFP, HBP, and HSA are divided between >>> the available lanes if there is more than one lane. For certain >>> timings a

Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-04-25 Thread Marek Szyprowski
On 25.04.2024 22:30, Adam Ford wrote: > On Thu, Apr 25, 2024 at 4:19 AM Marek Szyprowski > wrote: >> On 12.02.2024 00:09, Adam Ford wrote: >>> When using video sync pulses, the HFP, HBP, and HSA are divided between >>> the available lanes if there is more than one lane. For certain >>> timings an

Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-04-25 Thread Adam Ford
On Thu, Apr 25, 2024 at 4:19 AM Marek Szyprowski wrote: > > On 12.02.2024 00:09, Adam Ford wrote: > > When using video sync pulses, the HFP, HBP, and HSA are divided between > > the available lanes if there is more than one lane. For certain > > timings and lane configurations, the HFP may not be

Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-04-25 Thread Marek Szyprowski
On 12.02.2024 00:09, Adam Ford wrote: > When using video sync pulses, the HFP, HBP, and HSA are divided between > the available lanes if there is more than one lane. For certain > timings and lane configurations, the HFP may not be evenly divisible. > If the HFP is rounded down, it ends up being t

Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-04-22 Thread Marek Vasut
On 4/22/24 3:04 PM, Adam Ford wrote: On Mon, Apr 22, 2024 at 8:01 AM Marek Vasut wrote: On 4/22/24 2:09 PM, Adam Ford wrote: On Sun, Apr 21, 2024 at 9:36 AM Marek Vasut wrote: On 2/12/24 12:09 AM, Adam Ford wrote: When using video sync pulses, the HFP, HBP, and HSA are divided between the

Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-04-22 Thread Adam Ford
On Mon, Apr 22, 2024 at 8:01 AM Marek Vasut wrote: > > On 4/22/24 2:09 PM, Adam Ford wrote: > > On Sun, Apr 21, 2024 at 9:36 AM Marek Vasut wrote: > >> > >> On 2/12/24 12:09 AM, Adam Ford wrote: > >>> When using video sync pulses, the HFP, HBP, and HSA are divided between > >>> the available lane

Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-04-22 Thread Marek Vasut
On 4/22/24 2:09 PM, Adam Ford wrote: On Sun, Apr 21, 2024 at 9:36 AM Marek Vasut wrote: On 2/12/24 12:09 AM, Adam Ford wrote: When using video sync pulses, the HFP, HBP, and HSA are divided between the available lanes if there is more than one lane. For certain timings and lane configuration

Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-04-22 Thread Adam Ford
On Sun, Apr 21, 2024 at 9:36 AM Marek Vasut wrote: > > On 2/12/24 12:09 AM, Adam Ford wrote: > > When using video sync pulses, the HFP, HBP, and HSA are divided between > > the available lanes if there is more than one lane. For certain > > timings and lane configurations, the HFP may not be even

Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-04-21 Thread Marek Vasut
On 2/12/24 12:09 AM, Adam Ford wrote: When using video sync pulses, the HFP, HBP, and HSA are divided between the available lanes if there is more than one lane. For certain timings and lane configurations, the HFP may not be evenly divisible. If the HFP is rounded down, it ends up being too sma

Re: [PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-04-16 Thread Adam Ford
On Sun, Feb 11, 2024 at 5:09 PM Adam Ford wrote: > > When using video sync pulses, the HFP, HBP, and HSA are divided between > the available lanes if there is more than one lane. For certain > timings and lane configurations, the HFP may not be evenly divisible. > If the HFP is rounded down, it e

[PATCH V2 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

2024-02-11 Thread Adam Ford
When using video sync pulses, the HFP, HBP, and HSA are divided between the available lanes if there is more than one lane. For certain timings and lane configurations, the HFP may not be evenly divisible. If the HFP is rounded down, it ends up being too small which can cause some monitors to not