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Merge branch 'for-current' of https://github.com/PeterHuewe/linux-tpmdd into for...
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
gpu
/
drm
/
radeon
/
r100.c
diff --git
a/drivers/gpu/drm/radeon/r100.c
b/drivers/gpu/drm/radeon/r100.c
index 279801ca5110aff68d80ea452751d7f9b0bf748f..04f2514f756453bfdc7275a52c65549e631cfc6c 100644
(file)
--- a/
drivers/gpu/drm/radeon/r100.c
+++ b/
drivers/gpu/drm/radeon/r100.c
@@
-728,6
+728,10
@@
int r100_irq_set(struct radeon_device *rdev)
tmp |= RADEON_FP2_DETECT_MASK;
}
WREG32(RADEON_GEN_INT_CNTL, tmp);
+
+ /* read back to post the write */
+ RREG32(RADEON_GEN_INT_CNTL);
+
return 0;
}