On Mon, Jul 01, 2019 at 08:32:59PM +0300, Ville Syrjälä wrote:
> On Fri, Jun 28, 2019 at 09:31:04AM -0700, Lucas De Marchi wrote:
> > On Fri, Jun 28, 2019 at 12:55:17PM +0300, Ville Syrjälä wrote:
> > >On Tue, Jun 25, 2019 at 10:54:21AM -0700, Lucas De Marchi wrote:
> > >> From: José Roberto de Souza <jose.souza@xxxxxxxxx>
> > >>
> > >> On TGL the special EDP transcoder is gone and it should be handled by
> > >> transcoder A. Add POWER_DOMAIN_TRANSCODER_A_VDSC to make this
> > >> distinction clear and update vdsc code path.
> > >>
> > >> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> > >> Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> > >> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> > >> ---
> > >> drivers/gpu/drm/i915/display/intel_display_power.c | 2 ++
> > >> drivers/gpu/drm/i915/display/intel_display_power.h | 1 +
> > >> drivers/gpu/drm/i915/display/intel_vdsc.c | 11 ++++++++---
> > >> 3 files changed, 11 insertions(+), 3 deletions(-)
> > >>
> > >> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> > >> index 0c7d4a363deb..15582841fefc 100644
> > >> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> > >> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> > >> @@ -58,6 +58,8 @@ intel_display_power_domain_str(struct drm_i915_private *i915,
> > >> return "TRANSCODER_EDP";
> > >> case POWER_DOMAIN_TRANSCODER_EDP_VDSC:
> > >> return "TRANSCODER_EDP_VDSC";
> > >> + case POWER_DOMAIN_TRANSCODER_A_VDSC:
> > >> + return "TRANSCODER_A_VDSC";
> > >> case POWER_DOMAIN_TRANSCODER_DSI_A:
> > >> return "TRANSCODER_DSI_A";
> > >> case POWER_DOMAIN_TRANSCODER_DSI_C:
> > >> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
> > >> index 79262a5bceb4..7761b493608a 100644
> > >> --- a/drivers/gpu/drm/i915/display/intel_display_power.h
> > >> +++ b/drivers/gpu/drm/i915/display/intel_display_power.h
> > >> @@ -29,6 +29,7 @@ enum intel_display_power_domain {
> > >> POWER_DOMAIN_TRANSCODER_D,
> > >> POWER_DOMAIN_TRANSCODER_EDP,
> > >> POWER_DOMAIN_TRANSCODER_EDP_VDSC,
> > >> + POWER_DOMAIN_TRANSCODER_A_VDSC,
> > >
> > >Two power domains for essentially the same thing seems a bit wasteful.
> >
> > just reuse the name then?
> >
> > and on gen12+ check for TRANSCODER_A like below?
>
> That was my initial idea yes. In theory it would be nice to have fully
> abstracted power domains but that would lead to a lot of bits getting
> used. I suspect we might have to switch to using the kernel bitmask
> stuff in that case. Not sure how many bits we have free ATM.
I've also pondered about shaving off a few bits by special casing the
HSW panel fitter stuff in a similar fashion.
--
Ville Syrjälä
Intel
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