Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-22 Thread Souza, Jose
On Wed, 2018-02-21 at 14:28 -0800, Rodrigo Vivi wrote: > On Wed, Feb 21, 2018 at 01:12:08PM -0800, Souza, Jose wrote: > > On Wed, 2018-02-21 at 12:45 -0800, Rodrigo Vivi wrote: > > > On Tue, Feb 20, 2018 at 06:23:47PM -0800, José Roberto de Souza > > > wrote: > > > > When PSR/PSR2/GTC is enabled ha

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-22 Thread Rodrigo Vivi
On Thu, Feb 22, 2018 at 12:25:46PM -0800, Pandiyan, Dhinakaran wrote: > On Thu, 2018-02-22 at 12:13 -0800, Rodrigo Vivi wrote: > > On Thu, Feb 22, 2018 at 11:57:03AM -0800, Pandiyan, Dhinakaran wrote: > > > On Thu, 2018-02-22 at 11:34 -0800, Rodrigo Vivi wrote: > > > > On Thu, Feb 22, 2018 at 08:59

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-22 Thread Pandiyan, Dhinakaran
On Thu, 2018-02-22 at 12:13 -0800, Rodrigo Vivi wrote: > On Thu, Feb 22, 2018 at 11:57:03AM -0800, Pandiyan, Dhinakaran wrote: > > On Thu, 2018-02-22 at 11:34 -0800, Rodrigo Vivi wrote: > > > On Thu, Feb 22, 2018 at 08:59:49PM +0200, Ville Syrjälä wrote: > > > > On Tue, Feb 20, 2018 at 06:23:47PM -

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-22 Thread Rodrigo Vivi
On Thu, Feb 22, 2018 at 11:57:03AM -0800, Pandiyan, Dhinakaran wrote: > On Thu, 2018-02-22 at 11:34 -0800, Rodrigo Vivi wrote: > > On Thu, Feb 22, 2018 at 08:59:49PM +0200, Ville Syrjälä wrote: > > > On Tue, Feb 20, 2018 at 06:23:47PM -0800, José Roberto de Souza wrote: > > > > When PSR/PSR2/GTC is

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-22 Thread Pandiyan, Dhinakaran
On Thu, 2018-02-22 at 11:34 -0800, Rodrigo Vivi wrote: > On Thu, Feb 22, 2018 at 08:59:49PM +0200, Ville Syrjälä wrote: > > On Tue, Feb 20, 2018 at 06:23:47PM -0800, José Roberto de Souza wrote: > > > When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it > > > self, so lets use the mu

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-22 Thread Rodrigo Vivi
On Thu, Feb 22, 2018 at 08:59:49PM +0200, Ville Syrjälä wrote: > On Tue, Feb 20, 2018 at 06:23:47PM -0800, José Roberto de Souza wrote: > > When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it > > self, so lets use the mutex register that is available in gen9+ to > > avoid concurrent

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-22 Thread Ville Syrjälä
On Tue, Feb 20, 2018 at 06:23:47PM -0800, José Roberto de Souza wrote: > When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it > self, so lets use the mutex register that is available in gen9+ to > avoid concurrent access by hardware and driver. > > Reference: > https://01.org/sites

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-21 Thread Rodrigo Vivi
On Wed, Feb 21, 2018 at 01:12:08PM -0800, Souza, Jose wrote: > On Wed, 2018-02-21 at 12:45 -0800, Rodrigo Vivi wrote: > > On Tue, Feb 20, 2018 at 06:23:47PM -0800, José Roberto de Souza > > wrote: > > > When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it > > > self, so lets use the

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-21 Thread Souza, Jose
On Wed, 2018-02-21 at 12:45 -0800, Rodrigo Vivi wrote: > On Tue, Feb 20, 2018 at 06:23:47PM -0800, José Roberto de Souza > wrote: > > When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it > > self, so lets use the mutex register that is available in gen9+ to > > avoid concurrent acces

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-21 Thread Rodrigo Vivi
On Tue, Feb 20, 2018 at 06:23:47PM -0800, José Roberto de Souza wrote: > When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it > self, so lets use the mutex register that is available in gen9+ to > avoid concurrent access by hardware and driver. > > Reference: > https://01.org/sites

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-21 Thread Souza, Jose
On Wed, 2018-02-21 at 00:59 -0800, Dhinakaran Pandiyan wrote: > On Tuesday, February 20, 2018 6:23:47 PM PST José Roberto de Souza > wrote: > > When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it > > self, so lets use the mutex register that is available in gen9+ to > > avoid concur

Re: [Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-21 Thread Dhinakaran Pandiyan
On Tuesday, February 20, 2018 6:23:47 PM PST José Roberto de Souza wrote: > When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it > self, so lets use the mutex register that is available in gen9+ to > avoid concurrent access by hardware and driver. > > Reference: > https://01.org/sit

[Intel-gfx] [PATCH v2 1/1] drm/i915: Add and enable DP AUX CH mutex

2018-02-20 Thread José Roberto de Souza
When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it self, so lets use the mutex register that is available in gen9+ to avoid concurrent access by hardware and driver. Reference: https://01.org/sites/default/files/documentation/intel-gfx-prm-osrc-skl-vol12-display.pdf Page 198 - AU