From: Egbert Eich eich@suse.de
Implement the proper CRTC disablement, just like done in mgag200 driver.
Signed-off-by: Egbert Eich eich@suse.de Signed-off-by: Takashi Iwai tiwai@suse.de --- drivers/gpu/drm/ast/ast_mode.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index aaef0a652f10..3549a3356afe 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -613,7 +613,23 @@ static int ast_crtc_mode_set(struct drm_crtc *crtc,
static void ast_crtc_disable(struct drm_crtc *crtc) { + int ret; + + DRM_DEBUG_KMS("\n"); + ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc->primary->fb) { + struct ast_framebuffer *ast_fb = to_ast_framebuffer(crtc->primary->fb); + struct drm_gem_object *obj = ast_fb->obj; + struct ast_bo *bo = gem_to_ast_bo(obj); + + ret = ast_bo_reserve(bo, false); + if (ret) + return;
+ ast_bo_push_sysram(bo); + ast_bo_unreserve(bo); + } + crtc->primary->fb = NULL; }
static void ast_crtc_prepare(struct drm_crtc *crtc)