Hi Stefan, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on v4.16-rc4] [also build test WARNING on next-20180316] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Stefan-Schake/drm-vc4-Atomic-color-management-support/20180318-120701 config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sh All warnings (new ones prefixed by >>): ^~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:362:5: error: 'SCALER_OLEDCOEF0_B_TO_B_MASK' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF0_B_TO_G_MASK'? SCALER_OLEDCOEF0_B_TO_B)); ^ arch/sh/include/asm/io.h:31:77: note: in definition of macro '__raw_writel' #define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v)) ^ arch/sh/include/asm/io.h:46:62: note: in expansion of macro 'ioswabl' #define writel_relaxed(v,c) ((void)__raw_writel((__force u32)ioswabl(v),c)) ^~~~~~~ arch/sh/include/asm/io.h:56:32: note: in expansion of macro 'writel_relaxed' #define writel(v,a) ({ wmb(); writel_relaxed((v),(a)); }) ^~~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_drv.h:301:32: note: in expansion of macro 'writel' #define HVS_WRITE(offset, val) writel(val, vc4->hvs->regs + offset) ^~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:356:2: note: in expansion of macro 'HVS_WRITE' HVS_WRITE(SCALER_OLEDCOEF0, ^~~~~~~~~ drivers/gpu/drm/vc4/vc4_regs.h:19:3: note: in expansion of macro 'WARN_ON' WARN_ON((fieldval & ~field##_MASK) != 0); \ ^~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:361:5: note: in expansion of macro 'VC4_SET_FIELD' VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[8]), ^~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:365:12: error: 'SCALER_OLEDOFFS' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF0'? HVS_WRITE(SCALER_OLEDOFFS, VC4_SET_FIELD(vc4_crtc->channel + 1, ^ arch/sh/include/asm/io.h:31:71: note: in definition of macro '__raw_writel' #define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v)) ^ arch/sh/include/asm/io.h:56:32: note: in expansion of macro 'writel_relaxed' #define writel(v,a) ({ wmb(); writel_relaxed((v),(a)); }) ^~~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_drv.h:301:32: note: in expansion of macro 'writel' #define HVS_WRITE(offset, val) writel(val, vc4->hvs->regs + offset) ^~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:365:2: note: in expansion of macro 'HVS_WRITE' HVS_WRITE(SCALER_OLEDOFFS, VC4_SET_FIELD(vc4_crtc->channel + 1, ^~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:366:8: error: 'SCALER_OLEDOFFS_DISPFIFO_SHIFT' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF0_B_TO_B_SHIFT'? SCALER_OLEDOFFS_DISPFIFO)); ^ arch/sh/include/asm/io.h:31:77: note: in definition of macro '__raw_writel' #define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v)) ^ arch/sh/include/asm/io.h:46:62: note: in expansion of macro 'ioswabl' #define writel_relaxed(v,c) ((void)__raw_writel((__force u32)ioswabl(v),c)) ^~~~~~~ arch/sh/include/asm/io.h:56:32: note: in expansion of macro 'writel_relaxed' #define writel(v,a) ({ wmb(); writel_relaxed((v),(a)); }) ^~~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_drv.h:301:32: note: in expansion of macro 'writel' #define HVS_WRITE(offset, val) writel(val, vc4->hvs->regs + offset) ^~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:365:2: note: in expansion of macro 'HVS_WRITE' HVS_WRITE(SCALER_OLEDOFFS, VC4_SET_FIELD(vc4_crtc->channel + 1, ^~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:365:29: note: in expansion of macro 'VC4_SET_FIELD' HVS_WRITE(SCALER_OLEDOFFS, VC4_SET_FIELD(vc4_crtc->channel + 1, ^~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:366:8: error: 'SCALER_OLEDOFFS_DISPFIFO_MASK' undeclared (first use in this function); did you mean 'SCALER_OLEDOFFS_DISPFIFO_SHIFT'? SCALER_OLEDOFFS_DISPFIFO)); ^ arch/sh/include/asm/io.h:31:77: note: in definition of macro '__raw_writel' #define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v)) ^ arch/sh/include/asm/io.h:46:62: note: in expansion of macro 'ioswabl' #define writel_relaxed(v,c) ((void)__raw_writel((__force u32)ioswabl(v),c)) ^~~~~~~ arch/sh/include/asm/io.h:56:32: note: in expansion of macro 'writel_relaxed' #define writel(v,a) ({ wmb(); writel_relaxed((v),(a)); }) ^~~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_drv.h:301:32: note: in expansion of macro 'writel' #define HVS_WRITE(offset, val) writel(val, vc4->hvs->regs + offset) ^~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:365:2: note: in expansion of macro 'HVS_WRITE' HVS_WRITE(SCALER_OLEDOFFS, VC4_SET_FIELD(vc4_crtc->channel + 1, ^~~~~~~~~ drivers/gpu/drm/vc4/vc4_regs.h:19:3: note: in expansion of macro 'WARN_ON' WARN_ON((fieldval & ~field##_MASK) != 0); \ ^~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:365:29: note: in expansion of macro 'VC4_SET_FIELD' HVS_WRITE(SCALER_OLEDOFFS, VC4_SET_FIELD(vc4_crtc->channel + 1, ^~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c: In function 'vc4_crtc_atomic_check_ctm': drivers/gpu/drm/vc4/vc4_crtc.c:377:30: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] struct drm_color_ctm *ctm = state->ctm->data; ^~~~~ In file included from drivers/gpu/drm/vc4/vc4_crtc.c:43:0: drivers/gpu/drm/vc4/vc4_crtc.c: In function 'vc4_crtc_get_ctm_fifo': drivers/gpu/drm/vc4/vc4_crtc.c:683:32: error: 'SCALER_OLEDOFFS' undeclared (first use in this function); did you mean 'SCALER_GAMDATA'? return VC4_GET_FIELD(HVS_READ(SCALER_OLEDOFFS), ^ drivers/gpu/drm/vc4/vc4_regs.h:23:39: note: in definition of macro 'VC4_GET_FIELD' #define VC4_GET_FIELD(word, field) (((word) & field##_MASK) >> \ ^~~~ arch/sh/include/asm/io.h:41:39: note: in expansion of macro 'ioswabl' #define readl_relaxed(c) ({ u32 __v = ioswabl(__raw_readl(c)); __v; }) ^~~~~~~ >> arch/sh/include/asm/io.h:41:47: note: in expansion of macro '__raw_readl' #define readl_relaxed(c) ({ u32 __v = ioswabl(__raw_readl(c)); __v; }) ^~~~~~~~~~~ >> arch/sh/include/asm/io.h:51:31: note: in expansion of macro 'readl_relaxed' #define readl(a) ({ u32 r_ = readl_relaxed(a); rmb(); r_; }) ^~~~~~~~~~~~~ >> drivers/gpu/drm/vc4/vc4_drv.h:300:26: note: in expansion of macro 'readl' #define HVS_READ(offset) readl(vc4->hvs->regs + offset) ^~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:683:23: note: in expansion of macro 'HVS_READ' return VC4_GET_FIELD(HVS_READ(SCALER_OLEDOFFS), ^~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:684:9: error: 'SCALER_OLEDOFFS_DISPFIFO_MASK' undeclared (first use in this function); did you mean 'SCALER_PPF_IPHASE_MASK'? SCALER_OLEDOFFS_DISPFIFO); ^ drivers/gpu/drm/vc4/vc4_regs.h:23:47: note: in definition of macro 'VC4_GET_FIELD' #define VC4_GET_FIELD(word, field) (((word) & field##_MASK) >> \ ^~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:684:9: error: 'SCALER_OLEDOFFS_DISPFIFO_SHIFT' undeclared (first use in this function); did you mean 'SCALER_OLEDOFFS_DISPFIFO_MASK'? SCALER_OLEDOFFS_DISPFIFO); ^ drivers/gpu/drm/vc4/vc4_regs.h:24:9: note: in definition of macro 'VC4_GET_FIELD' field##_SHIFT) ^~~~~ In file included from include/linux/fb.h:17:0, from include/drm/drm_crtc.h:31, from include/drm/drm_atomic.h:31, from drivers/gpu/drm/vc4/vc4_crtc.c:35: drivers/gpu/drm/vc4/vc4_crtc.c: In function 'vc4_crtc_atomic_flush': drivers/gpu/drm/vc4/vc4_crtc.c:778:14: error: 'SCALER_OLEDOFFS' undeclared (first use in this function); did you mean 'SCALER_GAMDATA'? HVS_WRITE(SCALER_OLEDOFFS, ^ arch/sh/include/asm/io.h:31:71: note: in definition of macro '__raw_writel' #define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v)) ^ arch/sh/include/asm/io.h:56:32: note: in expansion of macro 'writel_relaxed' #define writel(v,a) ({ wmb(); writel_relaxed((v),(a)); }) ^~~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_drv.h:301:32: note: in expansion of macro 'writel' #define HVS_WRITE(offset, val) writel(val, vc4->hvs->regs + offset) ^~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:778:4: note: in expansion of macro 'HVS_WRITE' HVS_WRITE(SCALER_OLEDOFFS, ^~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:779:24: error: 'SCALER_OLEDOFFS_DISPFIFO_SHIFT' undeclared (first use in this function); did you mean 'SCALER_PPF_IPHASE_SHIFT'? VC4_SET_FIELD(0, SCALER_OLEDOFFS_DISPFIFO)); ^ arch/sh/include/asm/io.h:31:77: note: in definition of macro '__raw_writel' #define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v)) ^ arch/sh/include/asm/io.h:46:62: note: in expansion of macro 'ioswabl' #define writel_relaxed(v,c) ((void)__raw_writel((__force u32)ioswabl(v),c)) ^~~~~~~ arch/sh/include/asm/io.h:56:32: note: in expansion of macro 'writel_relaxed' #define writel(v,a) ({ wmb(); writel_relaxed((v),(a)); }) ^~~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_drv.h:301:32: note: in expansion of macro 'writel' #define HVS_WRITE(offset, val) writel(val, vc4->hvs->regs + offset) ^~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:778:4: note: in expansion of macro 'HVS_WRITE' HVS_WRITE(SCALER_OLEDOFFS, ^~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:779:7: note: in expansion of macro 'VC4_SET_FIELD' VC4_SET_FIELD(0, SCALER_OLEDOFFS_DISPFIFO)); ^~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:779:24: error: 'SCALER_OLEDOFFS_DISPFIFO_MASK' undeclared (first use in this function); did you mean 'SCALER_OLEDOFFS_DISPFIFO_SHIFT'? VC4_SET_FIELD(0, SCALER_OLEDOFFS_DISPFIFO)); ^ arch/sh/include/asm/io.h:31:77: note: in definition of macro '__raw_writel' #define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v)) ^ arch/sh/include/asm/io.h:46:62: note: in expansion of macro 'ioswabl' #define writel_relaxed(v,c) ((void)__raw_writel((__force u32)ioswabl(v),c)) ^~~~~~~ arch/sh/include/asm/io.h:56:32: note: in expansion of macro 'writel_relaxed' #define writel(v,a) ({ wmb(); writel_relaxed((v),(a)); }) ^~~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_drv.h:301:32: note: in expansion of macro 'writel' #define HVS_WRITE(offset, val) writel(val, vc4->hvs->regs + offset) ^~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:778:4: note: in expansion of macro 'HVS_WRITE' HVS_WRITE(SCALER_OLEDOFFS, ^~~~~~~~~ drivers/gpu/drm/vc4/vc4_regs.h:19:3: note: in expansion of macro 'WARN_ON' WARN_ON((fieldval & ~field##_MASK) != 0); \ ^~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:779:7: note: in expansion of macro 'VC4_SET_FIELD' VC4_SET_FIELD(0, SCALER_OLEDOFFS_DISPFIFO)); ^~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c: In function 'vc4_crtc_get_ctm_fifo': drivers/gpu/drm/vc4/vc4_crtc.c:685:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ cc1: some warnings being treated as errors vim +/__raw_readl +41 arch/sh/include/asm/io.h 14866543 Paul Mundt 2008-10-04 38 b7e68d68 Paul Mundt 2012-03-29 39 #define readb_relaxed(c) ({ u8 __v = ioswabb(__raw_readb(c)); __v; }) b7e68d68 Paul Mundt 2012-03-29 40 #define readw_relaxed(c) ({ u16 __v = ioswabw(__raw_readw(c)); __v; }) b7e68d68 Paul Mundt 2012-03-29 @41 #define readl_relaxed(c) ({ u32 __v = ioswabl(__raw_readl(c)); __v; }) b7e68d68 Paul Mundt 2012-03-29 42 #define readq_relaxed(c) ({ u64 __v = ioswabq(__raw_readq(c)); __v; }) b7e68d68 Paul Mundt 2012-03-29 43 b7e68d68 Paul Mundt 2012-03-29 44 #define writeb_relaxed(v,c) ((void)__raw_writeb((__force u8)ioswabb(v),c)) b7e68d68 Paul Mundt 2012-03-29 45 #define writew_relaxed(v,c) ((void)__raw_writew((__force u16)ioswabw(v),c)) b7e68d68 Paul Mundt 2012-03-29 46 #define writel_relaxed(v,c) ((void)__raw_writel((__force u32)ioswabl(v),c)) b7e68d68 Paul Mundt 2012-03-29 47 #define writeq_relaxed(v,c) ((void)__raw_writeq((__force u64)ioswabq(v),c)) 37b7a978 Paul Mundt 2010-11-01 48 37b7a978 Paul Mundt 2010-11-01 49 #define readb(a) ({ u8 r_ = readb_relaxed(a); rmb(); r_; }) 37b7a978 Paul Mundt 2010-11-01 50 #define readw(a) ({ u16 r_ = readw_relaxed(a); rmb(); r_; }) 37b7a978 Paul Mundt 2010-11-01 @51 #define readl(a) ({ u32 r_ = readl_relaxed(a); rmb(); r_; }) 37b7a978 Paul Mundt 2010-11-01 52 #define readq(a) ({ u64 r_ = readq_relaxed(a); rmb(); r_; }) 37b7a978 Paul Mundt 2010-11-01 53 :::::: The code at line 41 was first introduced by commit :::::: b7e68d6876dfbab087bc3859211a9efc74cbe30c sh: Support I/O space swapping where needed. :::::: TO: Paul Mundt <let...@linux-sh.org> :::::: CC: Paul Mundt <let...@linux-sh.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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