On Wed, Sep 28, 2016 at 04:24:29PM +0800, Meng Yi wrote: > Gamma correction is optional and can be used to adjust the color > output values to match the gamut of a particular TFT LCD panel > > Split the DCU regs into "regs", "palette", "gamma" and "cursor". > Create a second regmap for gamma memory space using little endian. > The registers after the first address space are not accessed yet, > hence new device trees would even work with old kernels. Just new > kernel need the new format so we can access the separate gamma > reg space. > > Suggested-by: Stefan Agner <stefan@xxxxxxxx> > Signed-off-by: Meng Yi <meng.yi@xxxxxxx> > --- > Changes since V1: > -created a second regmap for gamma > -updated the DCU DT binding > -removed Kconfig for gamma and enable gamma when valid data filled. > -extended and simplified comment lines. > --- > .../devicetree/bindings/display/fsl,dcu.txt | 12 +++++++- Acked-by: Rob Herring <robh@xxxxxxxxxx> > drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c | 33 ++++++++++++++++++++ > drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 35 +++++++++++++++++++++- > drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h | 7 +++++ > 4 files changed, 85 insertions(+), 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
