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

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Date:	Tue, 9 Jun 2015 23:42:30 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Dave Airlie <airlied@...ux.ie>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alex Deucher <alexander.deucher@....com>
Subject: linux-next: build failure after merge of the drm tree

Hi Dave,

After merging the drm tree, today's linux-next build (powerpc
allyesconfig) failed like this:

drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c: In function 'gfx_v7_0_cp_gfx_resume':
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2879:9: error: 'BUF_SWAP_32BIT' undeclared (first use in this function)
  tmp |= BUF_SWAP_32BIT;
         ^
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2879:9: note: each undeclared identifier is reported only once for each function it appears in
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c: In function 'gfx_v7_0_cp_compute_resume':
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:3398:41: error: 'BUF_SWAP_32BIT' undeclared (first use in this function)
   mqd->queue_state.cp_hqd_pq_control |= BUF_SWAP_32BIT;
                                         ^
drivers/gpu/drm/amd/amdgpu/cik_sdma.c: In function 'cik_sdma_gfx_resume':
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:413:14: error: 'SDMA_RB_SWAP_ENABLE' undeclared (first use in this function)
   rb_cntl |= SDMA_RB_SWAP_ENABLE | SDMA_RPTR_WRITEBACK_SWAP_ENABLE;
              ^
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:413:14: note: each undeclared identifier is reported only once for each function it appears in
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:413:36: error: 'SDMA_RPTR_WRITEBACK_SWAP_ENABLE' undeclared (first use in this function)
   rb_cntl |= SDMA_RB_SWAP_ENABLE | SDMA_RPTR_WRITEBACK_SWAP_ENABLE;
                                    ^

Caused by commit a2e73f56fa62 ("drm/amdgpu: Add support for CIK parts").

I added the following patch to disable this code for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Tue, 9 Jun 2015 23:38:30 +1000
Subject: [PATCH] drm/amdgpu: disable CIK parts for now

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/gpu/drm/amd/amdgpu/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig
index b30fcfa4b1f2..8da6bf7f39c8 100644
--- a/drivers/gpu/drm/amd/amdgpu/Kconfig
+++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
@@ -1,6 +1,7 @@
 config DRM_AMDGPU_CIK
 	bool "Enable amdgpu support for CIK parts"
 	depends on DRM_AMDGPU
+	depends on BROKEN
 	help
 	  Choose this option if you want to enable experimental support
 	  for CIK asics.
-- 
2.1.4

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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