drm/edid: Add modes for Established Timings III section

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 858fedc33d9b1ffa29f48e3bd8324093a29fac55..58b67932f04a14d8767cc324878a38965be886df 100644 (file)
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -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;
        }