drm/edid: Add modes for Established Timings III section (2255be14) · Commits · 戴 / test

drivers/gpu/drm/drm_edid.c

+91 −0

Original line number	Diff line number	Diff line
		@@ -1134,6 +1134,94 @@ static int drm_cvt_modes(struct drm_connector *connector,
		return modes;
		}

		static const struct {
		short w;
		short h;
		short r;
		short rb;
		} est3_modes[] = {
		/* byte 6 */
		{ 640, 350, 85, 0 },
		{ 640, 400, 85, 0 },
		{ 720, 400, 85, 0 },
		{ 640, 480, 85, 0 },
		{ 848, 480, 60, 0 },
		{ 800, 600, 85, 0 },
		{ 1024, 768, 85, 0 },
		{ 1152, 864, 75, 0 },
		/* byte 7 */
		{ 1280, 768, 60, 1 },
		{ 1280, 768, 60, 0 },
		{ 1280, 768, 75, 0 },
		{ 1280, 768, 85, 0 },
		{ 1280, 960, 60, 0 },
		{ 1280, 960, 85, 0 },
		{ 1280, 1024, 60, 0 },
		{ 1280, 1024, 85, 0 },
		/* byte 8 */
		{ 1360, 768, 60, 0 },
		{ 1440, 900, 60, 1 },
		{ 1440, 900, 60, 0 },
		{ 1440, 900, 75, 0 },
		{ 1440, 900, 85, 0 },
		{ 1400, 1050, 60, 1 },
		{ 1400, 1050, 60, 0 },
		{ 1400, 1050, 75, 0 },
		/* byte 9 */
		{ 1400, 1050, 85, 0 },
		{ 1680, 1050, 60, 1 },
		{ 1680, 1050, 60, 0 },
		{ 1680, 1050, 75, 0 },
		{ 1680, 1050, 85, 0 },
		{ 1600, 1200, 60, 0 },
		{ 1600, 1200, 65, 0 },
		{ 1600, 1200, 70, 0 },
		/* byte 10 */
		{ 1600, 1200, 75, 0 },
		{ 1600, 1200, 85, 0 },
		{ 1792, 1344, 60, 0 },
		{ 1792, 1344, 85, 0 },
		{ 1856, 1392, 60, 0 },
		{ 1856, 1392, 75, 0 },
		{ 1920, 1200, 60, 1 },
		{ 1920, 1200, 60, 0 },
		/* byte 11 */
		{ 1920, 1200, 75, 0 },
		{ 1920, 1200, 85, 0 },
		{ 1920, 1440, 60, 0 },
		{ 1920, 1440, 75, 0 },
		};
		static const int num_est3_modes = sizeof(est3_modes) / sizeof(est3_modes[0]);

		static int
		drm_est3_modes(struct drm_connector connector, struct detailed_timing timing)
		{
		int i, j, m, modes = 0;
		struct drm_display_mode *mode;
		u8 est = ((u8 )timing) + 5;

		for (i = 0; i < 6; i++) {
		for (j = 7; j > 0; j--) {
		m = (i * 8) + (7 - j);
		if (m > num_est3_modes)
		break;
		if (est[i] & (1 << j)) {
		mode = drm_find_dmt(connector->dev,
		est3_modes[m].w,
		est3_modes[m].h,
		est3_modes[m].r
		/, est3_modes[m].rb /);
		if (mode) {
		drm_mode_probed_add(connector, mode);
		modes++;
		}
		}
		}
		}

		return modes;
		}

		static int add_detailed_modes(struct drm_connector *connector,
		struct detailed_timing *timing,
		struct edid *edid, u32 quirks, int preferred)
		@@ -1181,6 +1269,9 @@ static int add_detailed_modes(struct drm_connector *connector,
		case EDID_DETAIL_CVT_3BYTE:
		modes += drm_cvt_modes(connector, timing);
		break;
		case EDID_DETAIL_EST_TIMINGS:
		modes += drm_est3_modes(connector, timing);
		break;
		default:
		break;
		}

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