[Intel-gfx] [PATCH] drm/i915/display: Fix mode private_flags comparison at atomic_check

Maarten Lankhorst maarten.lankhorst at linux.intel.com
Thu Mar 26 10:47:32 UTC 2020


Op 26-03-2020 om 08:49 schreef Uma Shankar:
> This patch fixes the private_flags of mode to be checked and
> compared against uapi.mode and not from hw.mode. This helps
> properly trigger modeset at boot if desired by driver.
>
> It helps resolve audio_codec initialization issues if display
> is connected at boot. Initial discussion on this issue has happened
> on below thread:
> https://patchwork.freedesktop.org/series/74828/
>
> Fixes: https://gitlab.freedesktop.org/drm/intel/issues/1363

Wrong use of fixes. :)

Use dim fixes original-commit-id to reference the commit. And for this use the Closes: tag.

Other than that looks good. :)

So with headers fixed:

Reviewed-By: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>

> Cc: Ville Syrjä <ville.syrjala at linux.intel.com>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Kai Vehmanen <kai.vehmanen at linux.intel.com>
> Cc: Souza, Jose <jose.souza at intel.com>
> Suggested-by: Ville Syrjä <ville.syrjala at linux.intel.com>
> Signed-off-by: Uma Shankar <uma.shankar at intel.com>
> Signed-off-by: SweeAun Khor <swee.aun.khor at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index fe55c7c713f1..e630429af2c0 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -14747,8 +14747,8 @@ static int intel_atomic_check(struct drm_device *dev,
>  	/* Catch I915_MODE_FLAG_INHERITED */
>  	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
>  					    new_crtc_state, i) {
> -		if (new_crtc_state->hw.mode.private_flags !=
> -		    old_crtc_state->hw.mode.private_flags)
> +		if (new_crtc_state->uapi.mode.private_flags !=
> +		    old_crtc_state->uapi.mode.private_flags)
>  			new_crtc_state->uapi.mode_changed = true;
>  	}
>  




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