[Intel-gfx] [PATCH 3/7] drm/i915: Fix broken transcoder err state

[Anshuman Gupta]

On 2020-02-04 at 18:37:26 +0200, Jani Nikula wrote:
> On Tue, 04 Feb 2020, Ville Syrjälä <ville.syrjala at linux.intel.com> wrote:
> > On Tue, Feb 04, 2020 at 04:59:23PM +0530, Anshuman Gupta wrote:
> >> Skip the trascoder whose pipe is disabled while
> >> initializing trascoder error state in 3 display
> >> pipe syatem.
> >> 
> >> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> >> Signed-off-by: Anshuman Gupta <anshuman.gupta at intel.com>
> >> ---
> >>  drivers/gpu/drm/i915/display/intel_display.c | 4 +++-
> >>  1 file changed, 3 insertions(+), 1 deletion(-)
> >> 
> >> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> >> index 5709e672151a..cf36c3d0f8fc 100644
> >> --- a/drivers/gpu/drm/i915/display/intel_display.c
> >> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> >> @@ -18607,8 +18607,10 @@ intel_display_capture_error_state(struct drm_i915_private *dev_priv)
> >>  
> >>  	for (i = 0; i < ARRAY_SIZE(error->transcoder); i++) {
> >>  		enum transcoder cpu_transcoder = transcoders[i];
> >> +		enum pipe pipe = (enum pipe)cpu_transcoder;
> >
> > Not correct for EDP transcoder.
> 
> Nor DSI?
> 
> BR,
> Jani.
> 
> >
> >>  
> >> -		if (!INTEL_INFO(dev_priv)->trans_offsets[cpu_transcoder])
Is it ok to make trans_offsets[] NULL for disabled pipe as an another approach?
Thanks,
Anshuman Gupta.
> >> +		if (!INTEL_INFO(dev_priv)->trans_offsets[cpu_transcoder] &&
> >> +		    !(INTEL_INFO(dev_priv)->pipe_mask & BIT(pipe)))
> >>  			continue;
> >>  
> >>  		error->transcoder[i].available = true;
> >> -- 
> >> 2.24.0
> 
> -- 
> Jani Nikula, Intel Open Source Graphics Center