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commit a13d2c10a7e14db59c0a625d3df133729f3630da
Author: Christopher Michael <devilho...@comcast.net>
AuthorDate: Mon Jan 2 07:20:03 2023 -0500
ecore_drm2: Add API to return display edid
---
src/lib/ecore_drm2/Ecore_Drm2.h | 1 +
src/lib/ecore_drm2/ecore_drm2_displays.c | 36 ++++++++++++++++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/src/lib/ecore_drm2/Ecore_Drm2.h b/src/lib/ecore_drm2/Ecore_Drm2.h
index 4b499658a9..778f701ff5 100644
--- a/src/lib/ecore_drm2/Ecore_Drm2.h
+++ b/src/lib/ecore_drm2/Ecore_Drm2.h
@@ -68,6 +68,7 @@ EAPI void ecore_drm2_display_physical_size_get(Ecore_Drm2_Display *disp, int *w,
EAPI int ecore_drm2_display_dpms_get(Ecore_Drm2_Display *disp);
EAPI Eina_Bool ecore_drm2_display_enabled_get(Ecore_Drm2_Display *disp);
EAPI unsigned int ecore_drm2_display_crtc_get(Ecore_Drm2_Display *disp);
+EAPI char *ecore_drm2_display_edid_get(Ecore_Drm2_Display *disp);
/* XXX: These are 'test' APIs */
EAPI void ecore_drm2_display_mode_set(Ecore_Drm2_Display *disp, Ecore_Drm2_Display_Mode *mode, int x, int y);
diff --git a/src/lib/ecore_drm2/ecore_drm2_displays.c b/src/lib/ecore_drm2/ecore_drm2_displays.c
index 247bf31f28..fb38ce376d 100644
--- a/src/lib/ecore_drm2/ecore_drm2_displays.c
+++ b/src/lib/ecore_drm2/ecore_drm2_displays.c
@@ -613,3 +613,39 @@ ecore_drm2_display_crtc_get(Ecore_Drm2_Display *disp)
EINA_SAFETY_ON_NULL_RETURN_VAL(disp->crtc, 0);
return disp->crtc->id;
}
+
+EAPI char *
+ecore_drm2_display_edid_get(Ecore_Drm2_Display *disp)
+{
+ char *edid_str = NULL;
+ unsigned char *blob;
+ unsigned char fblob[128];
+
+ EINA_SAFETY_ON_NULL_RETURN_VAL(disp, NULL);
+ EINA_SAFETY_ON_NULL_RETURN_VAL(disp->conn, NULL);
+ EINA_SAFETY_ON_NULL_RETURN_VAL(disp->conn->state, NULL);
+
+ blob = disp->conn->state->edid.data;
+ if (!blob)
+ {
+ memset(fblob, 0, sizeof(fblob));
+ blob = fblob;
+ }
+
+ edid_str = malloc((128 * 2) + 1);
+ if (edid_str)
+ {
+ unsigned int k, kk;
+ const char *hexch = "0123456789abcdef";
+
+ for (kk = 0, k = 0; k < 128; k++)
+ {
+ edid_str[kk] = hexch[(blob[k] >> 4) & 0xf];
+ edid_str[kk + 1] = hexch[blob[k] & 0xf];
+ kk += 2;
+ }
+ edid_str[kk] = 0;
+ }
+
+ return edid_str;
+}
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