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From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: Re: [Intel-gfx] [PATCH v4 09/11] drm/i915: migrate skl planes code new file
Date: Wed, 16 Dec 2020 22:46:27 +0800	[thread overview]
Message-ID: <202012162205.mrd1ggD7-lkp@intel.com> (raw)

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CC: kbuild-all(a)lists.01.org
In-Reply-To: <bd552745b685888a9137d171b5b6acaab8ac7a99.1608117676.git.jani.nikula@intel.com>
References: <bd552745b685888a9137d171b5b6acaab8ac7a99.1608117676.git.jani.nikula@intel.com>
TO: Jani Nikula <jani.nikula@intel.com>
TO: intel-gfx(a)lists.freedesktop.org
CC: jani.nikula(a)intel.com
CC: Dave Airlie <airlied@redhat.com>

Hi Jani,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on next-20201215]
[cannot apply to drm-tip/drm-tip v5.10]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jani-Nikula/drm-i915-refactor-intel-display/20201216-194754
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
:::::: branch date: 3 hours ago
:::::: commit date: 3 hours ago
config: x86_64-randconfig-m001-20201216 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
drivers/gpu/drm/i915/display/intel_gen9_plane.c:712 skl_update_scaler_plane() error: we previously assumed 'fb' could be null (see line 696)

vim +/fb +712 drivers/gpu/drm/i915/display/intel_gen9_plane.c

44f5af76b2fd05e Dave Airlie 2020-12-16  662  
44f5af76b2fd05e Dave Airlie 2020-12-16  663  /**
44f5af76b2fd05e Dave Airlie 2020-12-16  664   * skl_update_scaler_plane - Stages update to scaler state for a given plane.
44f5af76b2fd05e Dave Airlie 2020-12-16  665   * @crtc_state: crtc's scaler state
44f5af76b2fd05e Dave Airlie 2020-12-16  666   * @plane_state: atomic plane state to update
44f5af76b2fd05e Dave Airlie 2020-12-16  667   *
44f5af76b2fd05e Dave Airlie 2020-12-16  668   * Return
44f5af76b2fd05e Dave Airlie 2020-12-16  669   *     0 - scaler_usage updated successfully
44f5af76b2fd05e Dave Airlie 2020-12-16  670   *    error - requested scaling cannot be supported or other error condition
44f5af76b2fd05e Dave Airlie 2020-12-16  671   */
44f5af76b2fd05e Dave Airlie 2020-12-16  672  int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
44f5af76b2fd05e Dave Airlie 2020-12-16  673  			    struct intel_plane_state *plane_state)
44f5af76b2fd05e Dave Airlie 2020-12-16  674  {
44f5af76b2fd05e Dave Airlie 2020-12-16  675  	struct intel_plane *intel_plane =
44f5af76b2fd05e Dave Airlie 2020-12-16  676  		to_intel_plane(plane_state->uapi.plane);
44f5af76b2fd05e Dave Airlie 2020-12-16  677  	struct drm_i915_private *dev_priv = to_i915(intel_plane->base.dev);
44f5af76b2fd05e Dave Airlie 2020-12-16  678  	struct drm_framebuffer *fb = plane_state->hw.fb;
44f5af76b2fd05e Dave Airlie 2020-12-16  679  	int ret;
44f5af76b2fd05e Dave Airlie 2020-12-16  680  	bool force_detach = !fb || !plane_state->uapi.visible;
44f5af76b2fd05e Dave Airlie 2020-12-16  681  	bool need_scaler = false;
44f5af76b2fd05e Dave Airlie 2020-12-16  682  
44f5af76b2fd05e Dave Airlie 2020-12-16  683  	/* Pre-gen11 and SDR planes always need a scaler for planar formats. */
44f5af76b2fd05e Dave Airlie 2020-12-16  684  	if (!icl_is_hdr_plane(dev_priv, intel_plane->id) &&
44f5af76b2fd05e Dave Airlie 2020-12-16  685  	    fb && intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
44f5af76b2fd05e Dave Airlie 2020-12-16  686  		need_scaler = true;
44f5af76b2fd05e Dave Airlie 2020-12-16  687  
44f5af76b2fd05e Dave Airlie 2020-12-16  688  	ret = skl_update_scaler(crtc_state, force_detach,
44f5af76b2fd05e Dave Airlie 2020-12-16  689  				drm_plane_index(&intel_plane->base),
44f5af76b2fd05e Dave Airlie 2020-12-16  690  				&plane_state->scaler_id,
44f5af76b2fd05e Dave Airlie 2020-12-16  691  				drm_rect_width(&plane_state->uapi.src) >> 16,
44f5af76b2fd05e Dave Airlie 2020-12-16  692  				drm_rect_height(&plane_state->uapi.src) >> 16,
44f5af76b2fd05e Dave Airlie 2020-12-16  693  				drm_rect_width(&plane_state->uapi.dst),
44f5af76b2fd05e Dave Airlie 2020-12-16  694  				drm_rect_height(&plane_state->uapi.dst),
44f5af76b2fd05e Dave Airlie 2020-12-16  695  				fb ? fb->format : NULL,
44f5af76b2fd05e Dave Airlie 2020-12-16 @696  				fb ? fb->modifier : 0,
44f5af76b2fd05e Dave Airlie 2020-12-16  697  				need_scaler);
44f5af76b2fd05e Dave Airlie 2020-12-16  698  
44f5af76b2fd05e Dave Airlie 2020-12-16  699  	if (ret || plane_state->scaler_id < 0)
44f5af76b2fd05e Dave Airlie 2020-12-16  700  		return ret;
44f5af76b2fd05e Dave Airlie 2020-12-16  701  
44f5af76b2fd05e Dave Airlie 2020-12-16  702  	/* check colorkey */
44f5af76b2fd05e Dave Airlie 2020-12-16  703  	if (plane_state->ckey.flags) {
44f5af76b2fd05e Dave Airlie 2020-12-16  704  		drm_dbg_kms(&dev_priv->drm,
44f5af76b2fd05e Dave Airlie 2020-12-16  705  			    "[PLANE:%d:%s] scaling with color key not allowed",
44f5af76b2fd05e Dave Airlie 2020-12-16  706  			    intel_plane->base.base.id,
44f5af76b2fd05e Dave Airlie 2020-12-16  707  			    intel_plane->base.name);
44f5af76b2fd05e Dave Airlie 2020-12-16  708  		return -EINVAL;
44f5af76b2fd05e Dave Airlie 2020-12-16  709  	}
44f5af76b2fd05e Dave Airlie 2020-12-16  710  
44f5af76b2fd05e Dave Airlie 2020-12-16  711  	/* Check src format */
44f5af76b2fd05e Dave Airlie 2020-12-16 @712  	switch (fb->format->format) {
44f5af76b2fd05e Dave Airlie 2020-12-16  713  	case DRM_FORMAT_RGB565:
44f5af76b2fd05e Dave Airlie 2020-12-16  714  	case DRM_FORMAT_XBGR8888:
44f5af76b2fd05e Dave Airlie 2020-12-16  715  	case DRM_FORMAT_XRGB8888:
44f5af76b2fd05e Dave Airlie 2020-12-16  716  	case DRM_FORMAT_ABGR8888:
44f5af76b2fd05e Dave Airlie 2020-12-16  717  	case DRM_FORMAT_ARGB8888:
44f5af76b2fd05e Dave Airlie 2020-12-16  718  	case DRM_FORMAT_XRGB2101010:
44f5af76b2fd05e Dave Airlie 2020-12-16  719  	case DRM_FORMAT_XBGR2101010:
44f5af76b2fd05e Dave Airlie 2020-12-16  720  	case DRM_FORMAT_ARGB2101010:
44f5af76b2fd05e Dave Airlie 2020-12-16  721  	case DRM_FORMAT_ABGR2101010:
44f5af76b2fd05e Dave Airlie 2020-12-16  722  	case DRM_FORMAT_YUYV:
44f5af76b2fd05e Dave Airlie 2020-12-16  723  	case DRM_FORMAT_YVYU:
44f5af76b2fd05e Dave Airlie 2020-12-16  724  	case DRM_FORMAT_UYVY:
44f5af76b2fd05e Dave Airlie 2020-12-16  725  	case DRM_FORMAT_VYUY:
44f5af76b2fd05e Dave Airlie 2020-12-16  726  	case DRM_FORMAT_NV12:
44f5af76b2fd05e Dave Airlie 2020-12-16  727  	case DRM_FORMAT_XYUV8888:
44f5af76b2fd05e Dave Airlie 2020-12-16  728  	case DRM_FORMAT_P010:
44f5af76b2fd05e Dave Airlie 2020-12-16  729  	case DRM_FORMAT_P012:
44f5af76b2fd05e Dave Airlie 2020-12-16  730  	case DRM_FORMAT_P016:
44f5af76b2fd05e Dave Airlie 2020-12-16  731  	case DRM_FORMAT_Y210:
44f5af76b2fd05e Dave Airlie 2020-12-16  732  	case DRM_FORMAT_Y212:
44f5af76b2fd05e Dave Airlie 2020-12-16  733  	case DRM_FORMAT_Y216:
44f5af76b2fd05e Dave Airlie 2020-12-16  734  	case DRM_FORMAT_XVYU2101010:
44f5af76b2fd05e Dave Airlie 2020-12-16  735  	case DRM_FORMAT_XVYU12_16161616:
44f5af76b2fd05e Dave Airlie 2020-12-16  736  	case DRM_FORMAT_XVYU16161616:
44f5af76b2fd05e Dave Airlie 2020-12-16  737  		break;
44f5af76b2fd05e Dave Airlie 2020-12-16  738  	case DRM_FORMAT_XBGR16161616F:
44f5af76b2fd05e Dave Airlie 2020-12-16  739  	case DRM_FORMAT_ABGR16161616F:
44f5af76b2fd05e Dave Airlie 2020-12-16  740  	case DRM_FORMAT_XRGB16161616F:
44f5af76b2fd05e Dave Airlie 2020-12-16  741  	case DRM_FORMAT_ARGB16161616F:
44f5af76b2fd05e Dave Airlie 2020-12-16  742  		if (INTEL_GEN(dev_priv) >= 11)
44f5af76b2fd05e Dave Airlie 2020-12-16  743  			break;
44f5af76b2fd05e Dave Airlie 2020-12-16  744  		fallthrough;
44f5af76b2fd05e Dave Airlie 2020-12-16  745  	default:
44f5af76b2fd05e Dave Airlie 2020-12-16  746  		drm_dbg_kms(&dev_priv->drm,
44f5af76b2fd05e Dave Airlie 2020-12-16  747  			    "[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n",
44f5af76b2fd05e Dave Airlie 2020-12-16  748  			    intel_plane->base.base.id, intel_plane->base.name,
44f5af76b2fd05e Dave Airlie 2020-12-16  749  			    fb->base.id, fb->format->format);
44f5af76b2fd05e Dave Airlie 2020-12-16  750  		return -EINVAL;
44f5af76b2fd05e Dave Airlie 2020-12-16  751  	}
44f5af76b2fd05e Dave Airlie 2020-12-16  752  
44f5af76b2fd05e Dave Airlie 2020-12-16  753  	return 0;
44f5af76b2fd05e Dave Airlie 2020-12-16  754  }
44f5af76b2fd05e Dave Airlie 2020-12-16  755  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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             reply	other threads:[~2020-12-16 14:46 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-16 14:46 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2020-12-16 11:29 [Intel-gfx] [PATCH v4 00/11] drm/i915: refactor intel display Jani Nikula
2020-12-16 11:29 ` [Intel-gfx] [PATCH v4 09/11] drm/i915: migrate skl planes code new file Jani Nikula
2020-12-16 12:11   ` Ville Syrjälä
2020-12-16 15:21   ` Dan Carpenter

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