* [PATCH] drm/msm/a6xx: Don't enable GPU state code if dependencies are missing
@ 2019-04-10 16:58 Jordan Crouse
0 siblings, 0 replies; only message in thread
From: Jordan Crouse @ 2019-04-10 16:58 UTC (permalink / raw)
To: freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
Cc: Daniel Vetter, David Airlie,
linux-arm-msm-u79uwXL29TY76Z2rM5mHXA, Sharat Masetty, YueHaibing,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, Rob Clark,
Mamta Shukla, Thomas Zimmermann, Sean Paul
Add CONFIG_DRM_MSM_GPU_STATE to conditionally compile Adreno GPU state
code depending on the availability of the dependencies.
Reported-by: Hulk Robot <hulkci@huawei.com>
Reported-by: YueHaibing <yuehaibing@huawei.com>
Fixes: 1707add81551 ("drm/msm/a6xx: Add a6xx gpu state")
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
---
drivers/gpu/drm/msm/Kconfig | 5 +++++
drivers/gpu/drm/msm/Makefile | 3 ++-
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 +++-
drivers/gpu/drm/msm/msm_debugfs.c | 2 +-
4 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index cf549f1..cf14b2b 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -20,6 +20,11 @@ config DRM_MSM
help
DRM/KMS driver for MSM/snapdragon.
+config DRM_MSM_GPU_STATE
+ bool
+ depends on DRM_MSM && (DEBUG_FS || DEV_COREDUMP)
+ default y
+
config DRM_MSM_REGISTER_LOGGING
bool "MSM DRM register logging"
depends on DRM_MSM
diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 56a70c7..72d1bfc 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -15,7 +15,6 @@ msm-y := \
adreno/a6xx_gpu.o \
adreno/a6xx_gmu.o \
adreno/a6xx_hfi.o \
- adreno/a6xx_gpu_state.o \
hdmi/hdmi.o \
hdmi/hdmi_audio.o \
hdmi/hdmi_bridge.o \
@@ -96,6 +95,8 @@ msm-y := \
msm-$(CONFIG_DEBUG_FS) += adreno/a5xx_debugfs.o
+msm-$(CONFIG_DRM_MSM_GPU_STATE) += adreno/a6xx_gpu_state.o
+
msm-$(CONFIG_DRM_FBDEV_EMULATION) += msm_fbdev.o
msm-$(CONFIG_COMMON_CLK) += disp/mdp4/mdp4_lvds_pll.o
msm-$(CONFIG_COMMON_CLK) += hdmi/hdmi_pll_8960.o
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index fefe773..ddbaba1 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -781,14 +781,16 @@ static const struct adreno_gpu_funcs funcs = {
.active_ring = a6xx_active_ring,
.irq = a6xx_irq,
.destroy = a6xx_destroy,
-#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
+#if defined(CONFIG_DRM_MSM_GPU_STATE)
.show = a6xx_show,
#endif
.gpu_busy = a6xx_gpu_busy,
.gpu_get_freq = a6xx_gmu_get_freq,
.gpu_set_freq = a6xx_gmu_set_freq,
+#if defined(CONFIG_DRM_MSM_GPU_STATE)
.gpu_state_get = a6xx_gpu_state_get,
.gpu_state_put = a6xx_gpu_state_put,
+#endif
},
.get_timestamp = a6xx_get_timestamp,
};
diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c
index fb423d3..bcfb7a4 100644
--- a/drivers/gpu/drm/msm/msm_debugfs.c
+++ b/drivers/gpu/drm/msm/msm_debugfs.c
@@ -75,7 +75,7 @@ static int msm_gpu_open(struct inode *inode, struct file *file)
struct msm_gpu_show_priv *show_priv;
int ret;
- if (!gpu)
+ if (!gpu || !gpu->funcs->gpu-state_get)
return -ENODEV;
show_priv = kmalloc(sizeof(*show_priv), GFP_KERNEL);
--
2.7.4
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