[Intel-gfx] [PATCH] drm/i915/display: Fix state mismatch in drm infoframe

[Rodrigo Vivi]

On Tue, Apr 20, 2021 at 12:48:34AM +0530, Bhanuprakash Modem wrote:
> While reading the SDP infoframe, we are getting filtered with
> the encoder type INTEL_OUTPUT_DDI which causes the infoframe
> mismatch. This patch will extend the support to read the SDP
> infoframes for eDP.
> 
> [1025.606556] i915 0000:00:02.0: [drm] *ERROR* mismatch in drm infoframe
> [1025.607865] i915 0000:00:02.0: [drm] *ERROR* expected:
> [1025.607879] i915 0000:00:02.0: HDMI infoframe: Dynamic Range and Mastering, version 1, length 26
> [1025.607889] i915 0000:00:02.0: length: 26
> [1025.607898] i915 0000:00:02.0: metadata type: 0
> [1025.608292] i915 0000:00:02.0: eotf: 2
> [1025.608302] i915 0000:00:02.0: x[0]: 35400
> [1025.608312] i915 0000:00:02.0: y[0]: 14599
> [1025.609115] i915 0000:00:02.0: x[1]: 8500
> [1025.609947] i915 0000:00:02.0: y[1]: 39850
> [1025.609959] i915 0000:00:02.0: x[2]: 6550
> [1025.609970] i915 0000:00:02.0: y[2]: 2300
> [1025.609980] i915 0000:00:02.0: white point x: 15634
> [1025.609989] i915 0000:00:02.0: white point y: 16450
> [1025.610381] i915 0000:00:02.0: max_display_mastering_luminance: 1000
> [1025.610392] i915 0000:00:02.0: min_display_mastering_luminance: 500
> [1025.610401] i915 0000:00:02.0: max_cll: 500
> [1025.610816] i915 0000:00:02.0: max_fall: 1000
> [1025.612457] i915 0000:00:02.0: [drm] *ERROR* found:
> [1025.614354] ------------[ cut here ]------------
> [1025.616244] pipe state doesn't match!
> [1025.617640] WARNING: CPU: 6 PID: 2114 at drivers/gpu/drm/i915/display/intel_display.c:9332 intel_atomic_commit_tail+0x14d4/0x17c0 [i915]
> 
> Cc: Uma Shankar <uma.shankar at intel.com>
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
> Reviewed-by: Uma Shankar <uma.shankar at intel.com>

I'm sorry, but I haven't seen this review anywhere. What am I missing?
Where did this happen?

Whenever sending a patch for the first time, even if it was internally reviewed,
please use only "Cc:" and ask the internal reviewer to re-check and send the
response directly.

> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 5ee953aaa00c..91e67735a45c 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -3063,7 +3063,8 @@ void intel_read_dp_sdp(struct intel_encoder *encoder,
>  		       struct intel_crtc_state *crtc_state,
>  		       unsigned int type)
>  {
> -	if (encoder->type != INTEL_OUTPUT_DDI)
> +	if (encoder->type != INTEL_OUTPUT_DDI &&
> +	    encoder->type != INTEL_OUTPUT_EDP)
>  		return;
>  
>  	switch (type) {
> -- 
> 2.20.1
> 
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