linux-kernel - linux-next: build failure after merge of the drm-msm tree

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Date:   Thu, 5 May 2022 11:48:59 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Rob Clark <robdclark@...il.com>, Sean Paul <seanpaul@...omium.org>,
        Dave Airlie <airlied@...ux.ie>
Cc:     DRI <dri-devel@...ts.freedesktop.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the drm-msm tree

Hi all,

After merging the drm-msm tree, today's linux-next build (x86_64
allmodconfig) failed like this:

In file included from drivers/gpu/drm/msm/msm_gpu.h:17,
                 from drivers/gpu/drm/msm/adreno/adreno_gpu.h:15,
                 from drivers/gpu/drm/msm/adreno/a3xx_gpu.h:10,
                 from drivers/gpu/drm/msm/adreno/a3xx_gpu.c:9:
drivers/gpu/drm/msm/msm_drv.h:33:10: fatal error: drm/drm_dsc.h: No such file or directory
   33 | #include <drm/drm_dsc.h>
      |          ^~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/msm/msm_gpu.h:17,
                 from drivers/gpu/drm/msm/adreno/adreno_gpu.h:15,
                 from drivers/gpu/drm/msm/adreno/adreno_gpu.c:19:
drivers/gpu/drm/msm/msm_drv.h:33:10: fatal error: drm/drm_dsc.h: No such file or directory
   33 | #include <drm/drm_dsc.h>
      |          ^~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/msm/msm_gpu.h:17,
                 from drivers/gpu/drm/msm/adreno/adreno_gpu.h:15,
                 from drivers/gpu/drm/msm/adreno/adreno_device.c:9:
drivers/gpu/drm/msm/msm_drv.h:33:10: fatal error: drm/drm_dsc.h: No such file or directory
   33 | #include <drm/drm_dsc.h>
      |          ^~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/msm/msm_gpu.h:17,
                 from drivers/gpu/drm/msm/adreno/adreno_gpu.h:15,
                 from drivers/gpu/drm/msm/adreno/a2xx_gpu.h:7,
                 from drivers/gpu/drm/msm/adreno/a2xx_gpu.c:4:
drivers/gpu/drm/msm/msm_drv.h:33:10: fatal error: drm/drm_dsc.h: No such file or directory
   33 | #include <drm/drm_dsc.h>
      |          ^~~~~~~~~~~~~~~

Caused by commits

  b9080324d6ca ("drm/msm/dsi: add support for dsc data")
  c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")

interacting with commit

  2a64b147350f ("drm/display: Move DSC header and helpers into display-helper module")

from the drm tree.

I have applied the following merge fix patch.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 5 May 2022 11:31:20 +1000
Subject: [PATCH] fix up for "drm/display: Move DSC header and helpers into display-helper module"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h | 2 +-
 drivers/gpu/drm/msm/msm_drv.h              | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h
index 164e5f5b1002..b39ee4ed32f7 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h
@@ -4,7 +4,7 @@
 #ifndef _DPU_HW_DSC_H
 #define _DPU_HW_DSC_H
 
-#include <drm/drm_dsc.h>
+#include <drm/display/drm_dsc.h>
 
 #define DSC_MODE_SPLIT_PANEL            BIT(0)
 #define DSC_MODE_MULTIPLEX              BIT(1)
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index fdbaad53eb84..08388d742d65 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -30,7 +30,7 @@
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_fb_helper.h>
-#include <drm/drm_dsc.h>
+#include <drm/display/drm_dsc.h>
 #include <drm/msm_drm.h>
 #include <drm/drm_gem.h>
 
-- 
2.35.1

-- 
Cheers,
Stephen Rothwell

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