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ecore_drm2: Add API function to return if a possible crtc

This commit is contained in:
Christopher Michael 2023-11-21 09:07:53 -05:00
parent 0272285970
commit d8e6231f96
2 changed files with 33 additions and 0 deletions
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1
src/lib/ecore_drm2/Ecore_Drm2.h
View File

@ -81,6 +81,7 @@ EAPI int ecore_drm2_display_rotation_get(Ecore_Drm2_Display *disp);
EAPI void ecore_drm2_display_rotation_set(Ecore_Drm2_Display *disp, uint64_t rotation);
EAPI void ecore_drm2_display_mode_set(Ecore_Drm2_Display *disp, Ecore_Drm2_Display_Mode *mode, int x, int y);
EAPI Ecore_Drm2_Crtc *ecore_drm2_display_crtc_get(Ecore_Drm2_Display *disp);
EAPI Eina_Bool ecore_drm2_display_possible_crtc_get(Ecore_Drm2_Display *disp, Ecore_Drm2_Crtc *crtc);
# endif

32
src/lib/ecore_drm2/ecore_drm2_displays.c
View File

@ -883,3 +883,35 @@ ecore_drm2_display_crtc_get(Ecore_Drm2_Display *disp)
EINA_SAFETY_ON_NULL_RETURN_VAL(disp, NULL);
return disp->crtc;
}
EAPI Eina_Bool
ecore_drm2_display_possible_crtc_get(Ecore_Drm2_Display *disp, Ecore_Drm2_Crtc *crtc)
{
drmModeConnector *conn;
drmModeEncoder *enc;
int i = 0;
Eina_Bool ret = EINA_FALSE;
EINA_SAFETY_ON_NULL_RETURN_VAL(disp, EINA_FALSE);
EINA_SAFETY_ON_NULL_RETURN_VAL(disp->conn, EINA_FALSE);
EINA_SAFETY_ON_NULL_RETURN_VAL(disp->conn->drmConn, EINA_FALSE);
EINA_SAFETY_ON_NULL_RETURN_VAL(crtc, EINA_FALSE);
conn = disp->conn->drmConn;
for (; i < conn->count_encoders; i++)
{
enc = sym_drmModeGetEncoder(disp->conn->fd, conn->encoders[i]);
if (!enc) continue;
if (enc->crtc_id != crtc->id) goto next;
if (enc->possible_crtcs & (1 << crtc->pipe))
ret = EINA_TRUE;
next:
sym_drmModeFreeEncoder(enc);
if (ret) break;
}
return ret;
}