linux-kernel - [PATCH v3 22/23] drm/qxl: use kernel mode db

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Date:   Fri, 18 Jan 2019 13:20:19 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Gerd Hoffmann <kraxel@...hat.com>,
        Dave Airlie <airlied@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        virtualization@...ts.linux-foundation.org (open list:DRM DRIVER FOR QXL
        VIRTUAL GPU),
        spice-devel@...ts.freedesktop.org (open list:DRM DRIVER FOR QXL VIRTUAL
        GPU), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v3 22/23] drm/qxl: use kernel mode db

Add all standard modes from the kernel's video mode data base.
Keep a few non-standard modes in the qxl mode list.

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 drivers/gpu/drm/qxl/qxl_display.c | 27 +++++++--------------------
 1 file changed, 7 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 926fcb49b2..df768b0c83 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -262,34 +262,20 @@ static int qxl_add_monitors_config_modes(struct drm_connector *connector)
 static struct mode_size {
 	int w;
 	int h;
-} common_modes[] = {
-	{ 640,  480},
+} extra_modes[] = {
 	{ 720,  480},
-	{ 800,  600},
-	{ 848,  480},
-	{1024,  768},
 	{1152,  768},
-	{1280,  720},
-	{1280,  800},
 	{1280,  854},
-	{1280,  960},
-	{1280, 1024},
-	{1440,  900},
-	{1400, 1050},
-	{1680, 1050},
-	{1600, 1200},
-	{1920, 1080},
-	{1920, 1200}
 };
 
-static int qxl_add_common_modes(struct drm_connector *connector)
+static int qxl_add_extra_modes(struct drm_connector *connector)
 {
 	int i, ret = 0;
 
-	for (i = 0; i < ARRAY_SIZE(common_modes); i++)
+	for (i = 0; i < ARRAY_SIZE(extra_modes); i++)
 		ret += qxl_add_mode(connector,
-				    common_modes[i].w,
-				    common_modes[i].h,
+				    extra_modes[i].w,
+				    extra_modes[i].h,
 				    false);
 	return ret;
 }
@@ -1010,7 +996,8 @@ static int qxl_conn_get_modes(struct drm_connector *connector)
 			pheight = head->height;
 	}
 
-	ret += qxl_add_common_modes(connector);
+	ret += drm_add_modes_noedid(connector, 8192, 8192);
+	ret += qxl_add_extra_modes(connector);
 	ret += qxl_add_monitors_config_modes(connector);
 	drm_set_preferred_mode(connector, pwidth, pheight);
 	return ret;
-- 
2.9.3