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The legacy path implements setcmap in terms of crtc .gamma_set. The atomic path implements setcmap by directly updating the crtc gamma_lut property. This has a couple of benefits: - it makes the redundant fb helpers .load_lut, .gamma_set and .gamma_get completely obsolete. They are now unused and subject for removal. - atomic drivers that support clut modes get fbdev support for those from the drm core. This includes atmel-hlcdc, but perhaps others as well? Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170713162538.22788-4-peda@axentia.se |
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