From: Lowry Li (Arm Technology China) Date: Thu, 16 May 2019 06:13:13 +0000 (+0100) Subject: drm/komeda: Enable color-encoding (YUV format) support X-Git-Tag: v5.3-rc1~81^2~15^2~21 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9682dee9822246c4ea3d320ff8c96afc54163c89;p=linux.git drm/komeda: Enable color-encoding (YUV format) support Adds color-encoding properties if layer can support YUV format. Updates HW YUV-RGB matrix state according to the color-encoding properties. Signed-off-by: Lowry Li (Arm Technology China) Reviewed-by: James Qian Wang (Arm Technology China) Signed-off-by: Liviu Dudau --- diff --git a/drivers/gpu/drm/arm/display/komeda/Makefile b/drivers/gpu/drm/arm/display/komeda/Makefile index 16a1ea443de2..5c3900c2e764 100644 --- a/drivers/gpu/drm/arm/display/komeda/Makefile +++ b/drivers/gpu/drm/arm/display/komeda/Makefile @@ -8,6 +8,7 @@ komeda-y := \ komeda_drv.o \ komeda_dev.o \ komeda_format_caps.o \ + komeda_color_mgmt.o \ komeda_pipeline.o \ komeda_pipeline_state.o \ komeda_framebuffer.o \ diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c index d467944f51a5..79ff71b50032 100644 --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c @@ -10,6 +10,7 @@ #include "komeda_kms.h" #include "malidp_io.h" #include "komeda_framebuffer.h" +#include "komeda_color_mgmt.h" static void get_resources_id(u32 hw_id, u32 *pipe_id, u32 *comp_id) { @@ -239,6 +240,11 @@ static void d71_layer_update(struct komeda_component *c, } malidp_write32(reg, LAYER_R_CONTROL, upsampling); + malidp_write_group(reg, LAYER_YUV_RGB_COEFF0, + KOMEDA_N_YUV2RGB_COEFFS, + komeda_select_yuv2rgb_coeffs( + plane_st->color_encoding, + plane_st->color_range)); } malidp_write32(reg, LAYER_FMT, kfb->format_caps->hw_id); diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c new file mode 100644 index 000000000000..9d14a92dbb17 --- /dev/null +++ b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * (C) COPYRIGHT 2019 ARM Limited. All rights reserved. + * Author: James.Qian.Wang + * + */ + +#include "komeda_color_mgmt.h" + +/* 10bit precision YUV2RGB matrix */ +static const s32 yuv2rgb_bt601_narrow[KOMEDA_N_YUV2RGB_COEFFS] = { + 1192, 0, 1634, + 1192, -401, -832, + 1192, 2066, 0, + 64, 512, 512 +}; + +static const s32 yuv2rgb_bt601_wide[KOMEDA_N_YUV2RGB_COEFFS] = { + 1024, 0, 1436, + 1024, -352, -731, + 1024, 1815, 0, + 0, 512, 512 +}; + +static const s32 yuv2rgb_bt709_narrow[KOMEDA_N_YUV2RGB_COEFFS] = { + 1192, 0, 1836, + 1192, -218, -546, + 1192, 2163, 0, + 64, 512, 512 +}; + +static const s32 yuv2rgb_bt709_wide[KOMEDA_N_YUV2RGB_COEFFS] = { + 1024, 0, 1613, + 1024, -192, -479, + 1024, 1900, 0, + 0, 512, 512 +}; + +static const s32 yuv2rgb_bt2020[KOMEDA_N_YUV2RGB_COEFFS] = { + 1024, 0, 1476, + 1024, -165, -572, + 1024, 1884, 0, + 0, 512, 512 +}; + +const s32 *komeda_select_yuv2rgb_coeffs(u32 color_encoding, u32 color_range) +{ + bool narrow = color_range == DRM_COLOR_YCBCR_LIMITED_RANGE; + const s32 *coeffs; + + switch (color_encoding) { + case DRM_COLOR_YCBCR_BT709: + coeffs = narrow ? yuv2rgb_bt709_narrow : yuv2rgb_bt709_wide; + break; + case DRM_COLOR_YCBCR_BT601: + coeffs = narrow ? yuv2rgb_bt601_narrow : yuv2rgb_bt601_wide; + break; + case DRM_COLOR_YCBCR_BT2020: + coeffs = yuv2rgb_bt2020; + break; + default: + coeffs = NULL; + break; + } + + return coeffs; +} diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h new file mode 100644 index 000000000000..a2df218f58e7 --- /dev/null +++ b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * (C) COPYRIGHT 2019 ARM Limited. All rights reserved. + * Author: James.Qian.Wang + * + */ + +#ifndef _KOMEDA_COLOR_MGMT_H_ +#define _KOMEDA_COLOR_MGMT_H_ + +#include + +#define KOMEDA_N_YUV2RGB_COEFFS 12 + +const s32 *komeda_select_yuv2rgb_coeffs(u32 color_encoding, u32 color_range); + +#endif diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c index 9009f87b7323..9e049ee9014a 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c @@ -137,6 +137,8 @@ static void komeda_plane_reset(struct drm_plane *plane) state->base.pixel_blend_mode = DRM_MODE_BLEND_PREMULTI; state->base.alpha = DRM_BLEND_ALPHA_OPAQUE; state->base.zpos = kplane->layer->base.id; + state->base.color_encoding = DRM_COLOR_YCBCR_BT601; + state->base.color_range = DRM_COLOR_YCBCR_LIMITED_RANGE; plane->state = &state->base; plane->state->plane = plane; } @@ -332,6 +334,17 @@ static int komeda_plane_add(struct komeda_kms_dev *kms, if (err) goto cleanup; + err = drm_plane_create_color_properties(plane, + BIT(DRM_COLOR_YCBCR_BT601) | + BIT(DRM_COLOR_YCBCR_BT709) | + BIT(DRM_COLOR_YCBCR_BT2020), + BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) | + BIT(DRM_COLOR_YCBCR_FULL_RANGE), + DRM_COLOR_YCBCR_BT601, + DRM_COLOR_YCBCR_LIMITED_RANGE); + if (err) + goto cleanup; + return 0; cleanup: komeda_plane_destroy(plane);