linux-kernel - [PATCH] drm/msm: fix race in Adreno header generation

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Message-ID: <20250823020919.9947-1-alex@ironrobin.net>
Date: Sat, 23 Aug 2025 02:09:39 +0000
From: Alex Robinson <alex@...nrobin.net>
To: robin.clark@....qualcomm.com
Cc: lumag@...nel.org, abhinav.kumar@...ux.dev, jessica.zhang@....qualcomm.com, sean@...rly.run, marijn.suijten@...ainline.org, airlied@...il.com, simona@...ll.ch, linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org, Alex Robinson <alex@...nrobin.net>
Subject: [PATCH] drm/msm: fix race in Adreno header generation

Builds can compile msm-y objects (e.g. msm_gpu_devfreq.o)
before adreno_common.xml.h is generated in trees that generate Adreno
headers at build time. Make msm-y depend on the generated headers,
removing the race.

Signed-off-by: Alex Robinson <alex@...nrobin.net>
---
 drivers/gpu/drm/msm/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 0c0dfb25f01b..1a918d44ac48 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -221,6 +221,7 @@ DISPLAY_HEADERS = \
 	generated/sfpb.xml.h
 
 $(addprefix $(obj)/,$(adreno-y)): $(addprefix $(obj)/,$(ADRENO_HEADERS))
+$(addprefix $(obj)/,$(msm-y)): $(addprefix $(obj)/,$(ADRENO_HEADERS))
 $(addprefix $(obj)/,$(msm-display-y)): $(addprefix $(obj)/,$(DISPLAY_HEADERS))
 
 targets += $(ADRENO_HEADERS) $(DISPLAY_HEADERS)
-- 
2.50.1