[PATCH v3 3/9] drm/amd/display: read gamut remap matrix in fixed-point 31.32 format

[Rodrigo Siqueira Jordao]

On 11/28/23 10:52, Melissa Wen wrote:
> Instead of read gamut remap data from hw values, convert HW register
> values (S2D13) into a fixed-point 31.32 matrix for color state log.
> Change DCN10 log to print data in the format of the gamut remap matrix.
> 
> Signed-off-by: Melissa Wen <mwen at igalia.com>
> ---
>   .../amd/display/dc/hwss/dcn10/dcn10_hwseq.c   | 38 +++++++++++++------
>   drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h   |  3 ++
>   2 files changed, 29 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c
> index 9b801488eb9d..f0a9f8818909 100644
> --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c
> +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c
> @@ -289,20 +289,26 @@ static void dcn10_log_color_state(struct dc *dc,
>   	struct resource_pool *pool = dc->res_pool;
>   	int i;
>   
> -	DTN_INFO("DPP:    IGAM format  IGAM mode    DGAM mode    RGAM mode"
> -			"  GAMUT mode  C11 C12   C13 C14   C21 C22   C23 C24   "
> -			"C31 C32   C33 C34\n");
> +	DTN_INFO("DPP:    IGAM format    IGAM mode    DGAM mode    RGAM mode"
> +		 "  GAMUT adjust  "
> +		 "C11        C12        C13        C14        "
> +		 "C21        C22        C23        C24        "
> +		 "C31        C32        C33        C34        \n");
>   	for (i = 0; i < pool->pipe_count; i++) {
>   		struct dpp *dpp = pool->dpps[i];
>   		struct dcn_dpp_state s = {0};
>   
>   		dpp->funcs->dpp_read_state(dpp, &s);
> +		dpp->funcs->dpp_get_gamut_remap(dpp, &s.gamut_remap);
>   
>   		if (!s.is_enabled)
>   			continue;
>   
> -		DTN_INFO("[%2d]:  %11xh  %-11s  %-11s  %-11s"
> -				"%8x    %08xh %08xh %08xh %08xh %08xh %08xh",
> +		DTN_INFO("[%2d]:  %11xh  %11s    %9s    %9s"
> +			 "  %12s  "
> +			 "%010lld %010lld %010lld %010lld "
> +			 "%010lld %010lld %010lld %010lld "
> +			 "%010lld %010lld %010lld %010lld",
>   				dpp->inst,
>   				s.igam_input_format,
>   				(s.igam_lut_mode == 0) ? "BypassFixed" :
> @@ -322,13 +328,21 @@ static void dcn10_log_color_state(struct dc *dc,
>   					((s.rgam_lut_mode == 3) ? "RAM" :
>   					((s.rgam_lut_mode == 4) ? "RAM" :
>   								 "Unknown")))),
> -				s.gamut_remap_mode,
> -				s.gamut_remap_c11_c12,
> -				s.gamut_remap_c13_c14,
> -				s.gamut_remap_c21_c22,
> -				s.gamut_remap_c23_c24,
> -				s.gamut_remap_c31_c32,
> -				s.gamut_remap_c33_c34);
> +				(s.gamut_remap.gamut_adjust_type == 0) ? "Bypass" :
> +					((s.gamut_remap.gamut_adjust_type == 1) ? "HW" :
> +										  "SW"),
> +				s.gamut_remap.temperature_matrix[0].value,
> +				s.gamut_remap.temperature_matrix[1].value,
> +				s.gamut_remap.temperature_matrix[2].value,
> +				s.gamut_remap.temperature_matrix[3].value,
> +				s.gamut_remap.temperature_matrix[4].value,
> +				s.gamut_remap.temperature_matrix[5].value,
> +				s.gamut_remap.temperature_matrix[6].value,
> +				s.gamut_remap.temperature_matrix[7].value,
> +				s.gamut_remap.temperature_matrix[8].value,
> +				s.gamut_remap.temperature_matrix[9].value,
> +				s.gamut_remap.temperature_matrix[10].value,
> +				s.gamut_remap.temperature_matrix[11].value);
>   		DTN_INFO("\n");
>   	}
>   	DTN_INFO("\n");
> diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
> index 597ebdb4da4c..b6acfd86642a 100644
> --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
> +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
> @@ -141,6 +141,7 @@ struct dcn_dpp_state {
>   	uint32_t igam_input_format;
>   	uint32_t dgam_lut_mode;
>   	uint32_t rgam_lut_mode;
> +	// gamut_remap data for dcn10_get_cm_states()
>   	uint32_t gamut_remap_mode;
>   	uint32_t gamut_remap_c11_c12;
>   	uint32_t gamut_remap_c13_c14;
> @@ -148,6 +149,8 @@ struct dcn_dpp_state {
>   	uint32_t gamut_remap_c23_c24;
>   	uint32_t gamut_remap_c31_c32;
>   	uint32_t gamut_remap_c33_c34;
> +	// gamut_remap data for dcn*_log_color_state()
> +	struct dpp_grph_csc_adjustment gamut_remap;
>   };
>   
>   struct CM_bias_params {

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>