[PATCH 2/3] drm/vc4: Add color transformation matrix (CTM) support

kbuild test robot lkp at intel.com
Sat Mar 17 23:26:44 PDT 2018


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: In function 'vc4_crtc_update_gamma_lut':
   drivers/gpu/drm/vc4/vc4_crtc.c:305:30: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     struct drm_color_lut *lut = crtc->state->gamma_lut->data;
                                 ^~~~
   drivers/gpu/drm/vc4/vc4_crtc.c: In function 'vc4_crtc_update_ctm':
   drivers/gpu/drm/vc4/vc4_crtc.c:340:30: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     struct drm_color_ctm *ctm = crtc->state->ctm->data;
                                 ^~~~
   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:342:12: error: 'SCALER_OLEDCOEF2' undeclared (first use in this function); did you mean 'SCALER_DISPCTRL2'?
     HVS_WRITE(SCALER_OLEDCOEF2,
               ^
   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:342:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF2,
     ^~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:342:12: note: each undeclared identifier is reported only once for each function it appears in
     HVS_WRITE(SCALER_OLEDCOEF2,
               ^
   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:342:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF2,
     ^~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:344:5: error: 'SCALER_OLEDCOEF2_R_TO_R_SHIFT' undeclared (first use in this function); did you mean 'SCALER_CSC0_COEF_CR_OFS_SHIFT'?
        SCALER_OLEDCOEF2_R_TO_R) |
        ^
   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:342:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF2,
     ^~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:343:5: note: in expansion of macro 'VC4_SET_FIELD'
        VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[0]),
        ^~~~~~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:344:5: error: 'SCALER_OLEDCOEF2_R_TO_R_MASK' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF2_R_TO_R_SHIFT'?
        SCALER_OLEDCOEF2_R_TO_R) |
        ^
   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:342:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF2,
     ^~~~~~~~~
   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:343:5: note: in expansion of macro 'VC4_SET_FIELD'
        VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[0]),
        ^~~~~~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:346:5: error: 'SCALER_OLEDCOEF2_R_TO_G_SHIFT' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF2_R_TO_R_SHIFT'?
        SCALER_OLEDCOEF2_R_TO_G) |
        ^
   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:342:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF2,
     ^~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:345:5: note: in expansion of macro 'VC4_SET_FIELD'
        VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[3]),
        ^~~~~~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:346:5: error: 'SCALER_OLEDCOEF2_R_TO_G_MASK' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF2_R_TO_R_MASK'?
        SCALER_OLEDCOEF2_R_TO_G) |
        ^
   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:342:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF2,
     ^~~~~~~~~
   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:345:5: note: in expansion of macro 'VC4_SET_FIELD'
        VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[3]),
        ^~~~~~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:348:5: error: 'SCALER_OLEDCOEF2_R_TO_B_SHIFT' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF2_R_TO_G_SHIFT'?
        SCALER_OLEDCOEF2_R_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:342:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF2,
     ^~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:347:5: note: in expansion of macro 'VC4_SET_FIELD'
        VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[6]),
        ^~~~~~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:348:5: error: 'SCALER_OLEDCOEF2_R_TO_B_MASK' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF2_R_TO_G_MASK'?
        SCALER_OLEDCOEF2_R_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:342:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF2,
     ^~~~~~~~~
   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:347:5: note: in expansion of macro 'VC4_SET_FIELD'
        VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[6]),
        ^~~~~~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:349:12: error: 'SCALER_OLEDCOEF1' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF2'?
     HVS_WRITE(SCALER_OLEDCOEF1,
               ^
   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:349:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF1,
     ^~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:351:5: error: 'SCALER_OLEDCOEF1_G_TO_R_SHIFT' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF2_R_TO_R_SHIFT'?
        SCALER_OLEDCOEF1_G_TO_R) |
        ^
   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:349:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF1,
     ^~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:350:5: note: in expansion of macro 'VC4_SET_FIELD'
        VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[1]),
        ^~~~~~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:351:5: error: 'SCALER_OLEDCOEF1_G_TO_R_MASK' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF2_R_TO_R_MASK'?
        SCALER_OLEDCOEF1_G_TO_R) |
        ^
   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:349:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF1,
     ^~~~~~~~~
   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:350:5: note: in expansion of macro 'VC4_SET_FIELD'
        VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[1]),
        ^~~~~~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:353:5: error: 'SCALER_OLEDCOEF1_G_TO_G_SHIFT' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF1_G_TO_R_SHIFT'?
        SCALER_OLEDCOEF1_G_TO_G) |
        ^
   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:349:2: note: in expansion of macro 'HVS_WRITE'
     HVS_WRITE(SCALER_OLEDCOEF1,
     ^~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:352:5: note: in expansion of macro 'VC4_SET_FIELD'
        VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[4]),
        ^~~~~~~~~~~~~
   drivers/gpu/drm/vc4/vc4_crtc.c:353:5: error: 'SCALER_OLEDCOEF1_G_TO_G_MASK' undeclared (first use in this function); did you mean 'SCALER_OLEDCOEF1_G_TO_R_MASK'?
        SCALER_OLEDCOEF1_G_TO_G) |
        ^
   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)); })
                                   ^~~~~~~~~~~~~~

vim +/HVS_WRITE +342 drivers/gpu/drm/vc4/vc4_crtc.c

   333	
   334	static void
   335	vc4_crtc_update_ctm(struct drm_crtc *crtc)
   336	{
   337		struct drm_device *dev = crtc->dev;
   338		struct vc4_dev *vc4 = to_vc4_dev(dev);
   339		struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
   340		struct drm_color_ctm *ctm = crtc->state->ctm->data;
   341	
 > 342		HVS_WRITE(SCALER_OLEDCOEF2,
   343			  VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[0]),
   344					SCALER_OLEDCOEF2_R_TO_R) |
   345			  VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[3]),
   346					SCALER_OLEDCOEF2_R_TO_G) |
   347			  VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[6]),
   348					SCALER_OLEDCOEF2_R_TO_B));
   349		HVS_WRITE(SCALER_OLEDCOEF1,
   350			  VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[1]),
   351					SCALER_OLEDCOEF1_G_TO_R) |
   352			  VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[4]),
   353					SCALER_OLEDCOEF1_G_TO_G) |
   354			  VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[7]),
   355					SCALER_OLEDCOEF1_G_TO_B));
   356		HVS_WRITE(SCALER_OLEDCOEF0,
   357			  VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[2]),
   358					SCALER_OLEDCOEF0_B_TO_R) |
   359			  VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[5]),
   360					SCALER_OLEDCOEF0_B_TO_G) |
   361			  VC4_SET_FIELD(vc4_crtc_s31_32_to_s0_9(ctm->matrix[8]),
   362					SCALER_OLEDCOEF0_B_TO_B));
   363	
   364		/* Channel is 0-based but for DISPFIFO, 0 means disabled. */
   365		HVS_WRITE(SCALER_OLEDOFFS, VC4_SET_FIELD(vc4_crtc->channel + 1,
   366							 SCALER_OLEDOFFS_DISPFIFO));
   367	}
   368	

---
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