Re: [PATCH v2 1/3] drm/rockchip: define gamma registers for RK3399

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Hi,

Tested it on gru-kevin with mainline kernel 5.19 and it works

On Tue, 2021-10-19 at 22:58, Hugh Cole-Baker wrote:
> The VOP on RK3399 has a different approach from previous versions for
> setting a gamma lookup table, using an update_gamma_lut register. As
> this differs from RK3288, give RK3399 its own set of "common" register
> definitions.
> 
> Signed-off-by: Hugh Cole-Baker <sigmaris@xxxxxxxxx>
Tested-by: "Milan P. Stanić" <mps@xxxxxxxxxxx>
> ---
> 
> Changes from v1: no changes in this patch
> 
>  drivers/gpu/drm/rockchip/rockchip_drm_vop.h |  2 ++
>  drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 24 +++++++++++++++++++--
>  drivers/gpu/drm/rockchip/rockchip_vop_reg.h |  1 +
>  3 files changed, 25 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
> index 857d97cdc67c..14179e89bd21 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
> @@ -99,6 +99,8 @@ struct vop_common {
>  	struct vop_reg dither_down_en;
>  	struct vop_reg dither_up;
>  	struct vop_reg dsp_lut_en;
> +	struct vop_reg update_gamma_lut;
> +	struct vop_reg lut_buffer_index;
>  	struct vop_reg gate_en;
>  	struct vop_reg mmu_en;
>  	struct vop_reg out_mode;
> diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
> index ca7cc82125cb..bfb7e130f09b 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
> @@ -865,6 +865,24 @@ static const struct vop_output rk3399_output = {
>  	.mipi_dual_channel_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 3),
>  };
>  
> +static const struct vop_common rk3399_common = {
> +	.standby = VOP_REG_SYNC(RK3399_SYS_CTRL, 0x1, 22),
> +	.gate_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 23),
> +	.mmu_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 20),
> +	.dither_down_sel = VOP_REG(RK3399_DSP_CTRL1, 0x1, 4),
> +	.dither_down_mode = VOP_REG(RK3399_DSP_CTRL1, 0x1, 3),
> +	.dither_down_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 2),
> +	.pre_dither_down = VOP_REG(RK3399_DSP_CTRL1, 0x1, 1),
> +	.dither_up = VOP_REG(RK3399_DSP_CTRL1, 0x1, 6),
> +	.dsp_lut_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 0),
> +	.update_gamma_lut = VOP_REG(RK3399_DSP_CTRL1, 0x1, 7),
> +	.lut_buffer_index = VOP_REG(RK3399_DBG_POST_REG1, 0x1, 1),
> +	.data_blank = VOP_REG(RK3399_DSP_CTRL0, 0x1, 19),
> +	.dsp_blank = VOP_REG(RK3399_DSP_CTRL0, 0x3, 18),
> +	.out_mode = VOP_REG(RK3399_DSP_CTRL0, 0xf, 0),
> +	.cfg_done = VOP_REG_SYNC(RK3399_REG_CFG_DONE, 0x1, 0),
> +};
> +
>  static const struct vop_yuv2yuv_phy rk3399_yuv2yuv_win01_data = {
>  	.y2r_coefficients = {
>  		VOP_REG(RK3399_WIN0_YUV2YUV_Y2R + 0, 0xffff, 0),
> @@ -944,7 +962,7 @@ static const struct vop_data rk3399_vop_big = {
>  	.version = VOP_VERSION(3, 5),
>  	.feature = VOP_FEATURE_OUTPUT_RGB10,
>  	.intr = &rk3366_vop_intr,
> -	.common = &rk3288_common,
> +	.common = &rk3399_common,
>  	.modeset = &rk3288_modeset,
>  	.output = &rk3399_output,
>  	.afbc = &rk3399_vop_afbc,
> @@ -952,6 +970,7 @@ static const struct vop_data rk3399_vop_big = {
>  	.win = rk3399_vop_win_data,
>  	.win_size = ARRAY_SIZE(rk3399_vop_win_data),
>  	.win_yuv2yuv = rk3399_vop_big_win_yuv2yuv_data,
> +	.lut_size = 1024,
>  };
>  
>  static const struct vop_win_data rk3399_vop_lit_win_data[] = {
> @@ -970,13 +989,14 @@ static const struct vop_win_yuv2yuv_data rk3399_vop_lit_win_yuv2yuv_data[] = {
>  static const struct vop_data rk3399_vop_lit = {
>  	.version = VOP_VERSION(3, 6),
>  	.intr = &rk3366_vop_intr,
> -	.common = &rk3288_common,
> +	.common = &rk3399_common,
>  	.modeset = &rk3288_modeset,
>  	.output = &rk3399_output,
>  	.misc = &rk3368_misc,
>  	.win = rk3399_vop_lit_win_data,
>  	.win_size = ARRAY_SIZE(rk3399_vop_lit_win_data),
>  	.win_yuv2yuv = rk3399_vop_lit_win_yuv2yuv_data,
> +	.lut_size = 256,
>  };
>  
>  static const struct vop_win_data rk3228_vop_win_data[] = {
> diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h
> index 0b3cd65ba5c1..406e981c75bd 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h
> +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h
> @@ -628,6 +628,7 @@
>  #define RK3399_YUV2YUV_WIN			0x02c0
>  #define RK3399_YUV2YUV_POST			0x02c4
>  #define RK3399_AUTO_GATING_EN			0x02cc
> +#define RK3399_DBG_POST_REG1			0x036c
>  #define RK3399_WIN0_CSC_COE			0x03a0
>  #define RK3399_WIN1_CSC_COE			0x03c0
>  #define RK3399_WIN2_CSC_COE			0x03e0



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