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authorJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
committerJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
commitc9f289701540baeef9ac7c9977d67a7259f404db (patch)
treeac3c29d41da02ac735c9a12da78905842fbccd2f /drivers/gpu/drm/msm/adreno/a5xx_gpu.c
parent0aac6f9aaae5fba08963651d2ce49930145e118f (diff)
parent910a7e89cec65efad254c947ce2bf8bf5b370962 (diff)
Merge branch 'for-5.7/appleir' into for-linus
- small code cleanups in hid-appleir from Lucas Tanure
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a5xx_gpu.c')
-rw-r--r--drivers/gpu/drm/msm/adreno/a5xx_gpu.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index b02e2042547f..7d9e63e20ded 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -753,11 +753,18 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
gpu->funcs->flush(gpu, gpu->rb[0]);
if (!a5xx_idle(gpu, gpu->rb[0]))
return -EINVAL;
- } else {
- /* Print a warning so if we die, we know why */
+ } else if (ret == -ENODEV) {
+ /*
+ * This device does not use zap shader (but print a warning
+ * just in case someone got their dt wrong.. hopefully they
+ * have a debug UART to realize the error of their ways...
+ * if you mess this up you are about to crash horribly)
+ */
dev_warn_once(gpu->dev->dev,
"Zap shader not enabled - using SECVID_TRUST_CNTL instead\n");
gpu_write(gpu, REG_A5XX_RBBM_SECVID_TRUST_CNTL, 0x0);
+ } else {
+ return ret;
}
/* Last step - yield the ringbuffer */