This patch create new files intel_color_manager.c which will contain the core color correction code for I915 driver and its header intel_color_manager.h
The per color property patches coming up in this patch series will fill the appropriate functions in this file.
Signed-off-by: Shashank Sharma shashank.sharma@intel.com Signed-off-by: Kausal Malladi kausalmalladi@gmail.com --- drivers/gpu/drm/i915/Makefile | 3 +- drivers/gpu/drm/i915/intel_color_manager.c | 33 ++++++++++++++++++++ drivers/gpu/drm/i915/intel_color_manager.h | 50 ++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_drv.h | 3 ++ 4 files changed, 88 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/i915/intel_color_manager.c create mode 100644 drivers/gpu/drm/i915/intel_color_manager.h
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 0851de07..c66d56a 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -64,7 +64,8 @@ i915-y += intel_audio.o \ intel_overlay.o \ intel_psr.o \ intel_sideband.o \ - intel_sprite.o + intel_sprite.o \ + intel_color_manager.o i915-$(CONFIG_ACPI) += intel_acpi.o intel_opregion.o i915-$(CONFIG_DRM_FBDEV_EMULATION) += intel_fbdev.o
diff --git a/drivers/gpu/drm/i915/intel_color_manager.c b/drivers/gpu/drm/i915/intel_color_manager.c new file mode 100644 index 0000000..b03ee94 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_color_manager.c @@ -0,0 +1,33 @@ +/* + * Copyright © 2015 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Shashank Sharma shashank.sharma@intel.com + * Kausal Malladi Kausal.Malladi@intel.com + */ + +#include "intel_color_manager.h" + +void intel_attach_color_properties_to_crtc(struct drm_device *dev, + struct drm_crtc *crtc) +{ +} diff --git a/drivers/gpu/drm/i915/intel_color_manager.h b/drivers/gpu/drm/i915/intel_color_manager.h new file mode 100644 index 0000000..eec52a7 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_color_manager.h @@ -0,0 +1,50 @@ +/* + * Copyright © 2015 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Shashank Sharma shashank.sharma@intel.com + * Kausal Malladi Kausal.Malladi@intel.com + */ +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include "i915_drv.h" + +/* Color management bit utilities */ +#define GET_BIT_MASK(n) ((1 << n) - 1) + +/* Read bits of a word from bit no. 'start'(lsb) till 'n' bits */ +#define GET_BITS(x, start, nbits) ((x >> start) & GET_BIT_MASK(nbits)) + +/* Round off by adding 1 to the immediate lower bit */ +#define GET_BITS_ROUNDOFF(x, start, nbits) \ + ((GET_BITS(x, start, (nbits + 1)) + 1) >> 1) + +/* Clear bits of a word from bit no. 'start' till nbits */ +#define CLEAR_BITS(x, start, nbits) ( \ + x &= ~((GET_BIT_MASK(nbits) << start))) + +/* Write bit_pattern of no_bits bits in a target word */ +#define SET_BITS(target, bit_pattern, start_bit, no_bits) \ + do { \ + CLEAR_BITS(target, start_bit, no_bits); \ + target |= (bit_pattern << start_bit); \ + } while (0) diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 70802df..9fd5388 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1518,4 +1518,7 @@ void intel_plane_destroy_state(struct drm_plane *plane, struct drm_plane_state *state); extern const struct drm_plane_helper_funcs intel_plane_helper_funcs;
+/* intel_color_manager.c */ +void intel_attach_color_properties_to_crtc(struct drm_device *dev, + struct drm_crtc *crtc); #endif /* __INTEL_DRV_H__ */