Commit 61ea4c6f authored by Jun Lei's avatar Jun Lei Committed by Alex Deucher
Browse files

drm/amd/display: Add driver-side parsing for CM 



Although 4 unique register values exist for gamma modes, two are
actually the same (the two RAMs) It’s not possible for caller to
understand this HW specific behavior, so some parsing is necessary
in driver

Signed-off-by: default avatarJun Lei <Jun.Lei@amd.com>
Reviewed-by: default avatarWesley Chalmers <Wesley.Chalmers@amd.com>
Acked-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 550db288

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c

+25 −4
Original line number Diff line number Diff line
@@ -314,14 +314,35 @@ static unsigned int dcn10_get_cm_states(struct dc *dc, char *pBuf, unsigned int 
		struct dpp *dpp = pool->dpps[i];

		struct dcn_dpp_state s = {0};









		dpp->funcs->dpp_read_state(dpp, &s);



		if (s.is_enabled) {

			chars_printed = snprintf_count(pBuf, remaining_buffer, "%x,%x,%x,%x,%x,%x,"

				"%08x,%08x,%08x,%08x,%08x,%08x"

			chars_printed = snprintf_count(pBuf, remaining_buffer, "%x,%x,"

					"%s,%s,%s,"

					"%x,%08x,%08x,%08x,%08x,%08x,%08x"

				"\n",

				dpp->inst, s.igam_input_format, s.igam_lut_mode, s.dgam_lut_mode,

				s.rgam_lut_mode, s.gamut_remap_mode, s.gamut_remap_c11_c12,

				dpp->inst, s.igam_input_format,

				(s.igam_lut_mode == 0) ? "BypassFixed" :

					((s.igam_lut_mode == 1) ? "BypassFloat" :

					((s.igam_lut_mode == 2) ? "RAM" :

					((s.igam_lut_mode == 3) ? "RAM" :

								 "Unknown"))),

				(s.dgam_lut_mode == 0) ? "Bypass" :

					((s.dgam_lut_mode == 1) ? "sRGB" :

					((s.dgam_lut_mode == 2) ? "Ycc" :

					((s.dgam_lut_mode == 3) ? "RAM" :

					((s.dgam_lut_mode == 4) ? "RAM" :

								 "Unknown")))),

				(s.rgam_lut_mode == 0) ? "Bypass" :

					((s.rgam_lut_mode == 1) ? "sRGB" :

					((s.rgam_lut_mode == 2) ? "Ycc" :

					((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);

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