From 1b043677d4be206c96b51811855502e50057f343 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Fri, 18 Jan 2019 13:20:18 +0100 Subject: [PATCH] drm/qxl: add qxl_add_mode helper function MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add a helper function to add custom video modes to a connector. Signed-off-by: Gerd Hoffmann Acked-by: Noralf Trønnes Link: http://patchwork.freedesktop.org/patch/msgid/20190118122020.27596-22-kraxel@redhat.com --- drivers/gpu/drm/qxl/qxl_display.c | 84 ++++++++++++++++++------------- 1 file changed, 49 insertions(+), 35 deletions(-) diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 4b901e810467..a0562d5a4fda 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -212,15 +212,36 @@ static int qxl_check_framebuffer(struct qxl_device *qdev, return qxl_check_mode(qdev, bo->surf.width, bo->surf.height); } -static int qxl_add_monitors_config_modes(struct drm_connector *connector, - unsigned *pwidth, - unsigned *pheight) +static int qxl_add_mode(struct drm_connector *connector, + unsigned int width, + unsigned int height, + bool preferred) +{ + struct drm_device *dev = connector->dev; + struct qxl_device *qdev = dev->dev_private; + struct drm_display_mode *mode = NULL; + int rc; + + rc = qxl_check_mode(qdev, width, height); + if (rc != 0) + return 0; + + mode = drm_cvt_mode(dev, width, height, 60, false, false, false); + if (preferred) + mode->type |= DRM_MODE_TYPE_PREFERRED; + mode->hdisplay = width; + mode->vdisplay = height; + drm_mode_set_name(mode); + drm_mode_probed_add(connector, mode); + return 1; +} + +static int qxl_add_monitors_config_modes(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct qxl_device *qdev = dev->dev_private; struct qxl_output *output = drm_connector_to_qxl_output(connector); int h = output->index; - struct drm_display_mode *mode = NULL; struct qxl_head *head; if (!qdev->monitors_config) @@ -235,19 +256,7 @@ static int qxl_add_monitors_config_modes(struct drm_connector *connector, head = &qdev->client_monitors_config->heads[h]; DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height); - mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, - false); - mode->type |= DRM_MODE_TYPE_PREFERRED; - mode->hdisplay = head->width; - mode->vdisplay = head->height; - drm_mode_set_name(mode); - *pwidth = head->width; - *pheight = head->height; - drm_mode_probed_add(connector, mode); - /* remember the last custom size for mode validation */ - qdev->monitors_config_width = mode->hdisplay; - qdev->monitors_config_height = mode->vdisplay; - return 1; + return qxl_add_mode(connector, head->width, head->height, true); } static struct mode_size { @@ -273,22 +282,16 @@ static struct mode_size { {1920, 1200} }; -static int qxl_add_common_modes(struct drm_connector *connector, - unsigned int pwidth, - unsigned int pheight) +static int qxl_add_common_modes(struct drm_connector *connector) { - struct drm_device *dev = connector->dev; - struct drm_display_mode *mode = NULL; - int i; + int i, ret = 0; - for (i = 0; i < ARRAY_SIZE(common_modes); i++) { - mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, - 60, false, false, false); - if (common_modes[i].w == pwidth && common_modes[i].h == pheight) - mode->type |= DRM_MODE_TYPE_PREFERRED; - drm_mode_probed_add(connector, mode); - } - return i - 1; + for (i = 0; i < ARRAY_SIZE(common_modes); i++) + ret += qxl_add_mode(connector, + common_modes[i].w, + common_modes[i].h, + false); + return ret; } static void qxl_send_monitors_config(struct qxl_device *qdev) @@ -991,14 +994,25 @@ free_mem: static int qxl_conn_get_modes(struct drm_connector *connector) { + struct drm_device *dev = connector->dev; + struct qxl_device *qdev = dev->dev_private; + struct qxl_output *output = drm_connector_to_qxl_output(connector); unsigned int pwidth = 1024; unsigned int pheight = 768; int ret = 0; - ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); - if (ret < 0) - return ret; - ret += qxl_add_common_modes(connector, pwidth, pheight); + if (qdev->client_monitors_config) { + struct qxl_head *head; + head = &qdev->client_monitors_config->heads[output->index]; + if (head->width) + pwidth = head->width; + if (head->height) + pheight = head->height; + } + + ret += qxl_add_common_modes(connector); + ret += qxl_add_monitors_config_modes(connector); + drm_set_preferred_mode(connector, pwidth, pheight); return ret; } -- 2.30.2