linux-kernel - [PATCH v4 04/16] drm/bochs: atomic: add mode_set

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Date:   Fri, 11 Jan 2019 06:37:40 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...hat.com>
Cc:     andr2000@...il.com, noralf@...nnes.org,
        Gerd Hoffmann <kraxel@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        virtualization@...ts.linux-foundation.org (open list:DRM DRIVER FOR
        BOCHS VIRTUAL GPU), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v4 04/16] drm/bochs: atomic: add mode_set_nofb callback.

Conversion to atomic modesetting, step two.
Add mode_set_nofb crtc helper callback.

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
Acked-by: Daniel Vetter <daniel.vetter@...ll.ch>
---
 drivers/gpu/drm/bochs/bochs_kms.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index 2cbd406b1f..56fd7be933 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -86,6 +86,14 @@ static int bochs_crtc_mode_set(struct drm_crtc *crtc,
 	return 0;
 }
 
+static void bochs_crtc_mode_set_nofb(struct drm_crtc *crtc)
+{
+	struct bochs_device *bochs =
+		container_of(crtc, struct bochs_device, crtc);
+
+	bochs_hw_setmode(bochs, &crtc->mode);
+}
+
 static void bochs_crtc_prepare(struct drm_crtc *crtc)
 {
 }
@@ -149,6 +157,7 @@ static const struct drm_crtc_helper_funcs bochs_helper_funcs = {
 	.dpms = bochs_crtc_dpms,
 	.mode_set = bochs_crtc_mode_set,
 	.mode_set_base = bochs_crtc_mode_set_base,
+	.mode_set_nofb = bochs_crtc_mode_set_nofb,
 	.prepare = bochs_crtc_prepare,
 	.commit = bochs_crtc_commit,
 	.atomic_enable = bochs_crtc_atomic_enable,
-- 
2.9.3