Hi Rodrigo, [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on v4.5-rc3 next-20160211] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Rodrigo-Vivi/drm-i915-Avoid-vblank-counter-for-gen9/20160212-090608 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-x000-201606 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/sysrq.h:18, from drivers/gpu/drm/i915/i915_irq.c:31: drivers/gpu/drm/i915/i915_irq.c: In function 'intel_irq_init': drivers/gpu/drm/i915/i915_irq.c:4578:55: warning: comparison of constant '9' with boolean expression is always false [-Wbool-compare] if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/gpu/drm/i915/i915_irq.c:4578:2: note: in expansion of macro 'if' if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ drivers/gpu/drm/i915/i915_irq.c:4578:55: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/gpu/drm/i915/i915_irq.c:4578:2: note: in expansion of macro 'if' if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ drivers/gpu/drm/i915/i915_irq.c:4578:55: warning: comparison of constant '9' with boolean expression is always false [-Wbool-compare] if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ include/linux/compiler.h:147:40: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/gpu/drm/i915/i915_irq.c:4578:2: note: in expansion of macro 'if' if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ drivers/gpu/drm/i915/i915_irq.c:4578:55: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ include/linux/compiler.h:147:40: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/gpu/drm/i915/i915_irq.c:4578:2: note: in expansion of macro 'if' if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ drivers/gpu/drm/i915/i915_irq.c:4578:55: warning: comparison of constant '9' with boolean expression is always false [-Wbool-compare] if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ include/linux/compiler.h:158:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^ >> drivers/gpu/drm/i915/i915_irq.c:4578:2: note: in expansion of macro 'if' if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ drivers/gpu/drm/i915/i915_irq.c:4578:55: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ include/linux/compiler.h:158:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^ >> drivers/gpu/drm/i915/i915_irq.c:4578:2: note: in expansion of macro 'if' if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) ^ vim +/if +4578 drivers/gpu/drm/i915/i915_irq.c 4562 } else if (IS_GEN2(dev_priv)) { 4563 dev->max_vblank_count = 0; 4564 dev->driver->get_vblank_counter = i8xx_get_vblank_counter; 4565 } else if (IS_G4X(dev_priv) || INTEL_INFO(dev_priv)->gen >= 5) { 4566 dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */ 4567 dev->driver->get_vblank_counter = g4x_get_vblank_counter; 4568 } else { 4569 dev->driver->get_vblank_counter = i915_get_vblank_counter; 4570 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ 4571 } 4572 4573 /* 4574 * Opt out of the vblank disable timer on everything except gen2. 4575 * Gen2 doesn't have a hardware frame counter and so depends on 4576 * vblank interrupts to produce sane vblank seuquence numbers. 4577 */ > 4578 if (!IS_GEN2(dev_priv) && !INTEL_INFO(dev_priv)->gen >= 9) 4579 dev->vblank_disable_immediate = true; 4580 4581 dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp; 4582 dev->driver->get_scanout_position = i915_get_crtc_scanoutpos; 4583 4584 if (IS_CHERRYVIEW(dev_priv)) { 4585 dev->driver->irq_handler = cherryview_irq_handler; 4586 dev->driver->irq_preinstall = cherryview_irq_preinstall; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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