From 1543b4dd0c4b63975ffdadccd67c3a8805f28814 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Wed, 2 Nov 2011 09:43:10 +0100 Subject: vmwgfx: Make the preferred autofit mode have a 60Hz vrefresh Signed-off-by: Thomas Hellstrom Reviewed-by: Jakob Bornecrantz Signed-off-by: Dave Airlie --- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index f9a0f980c300..1cebf64f1142 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1662,6 +1662,28 @@ static struct drm_display_mode vmw_kms_connector_builtin[] = { { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, }; +/** + * vmw_guess_mode_timing - Provide fake timings for a + * 60Hz vrefresh mode. + * + * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay + * members filled in. + */ +static void vmw_guess_mode_timing(struct drm_display_mode *mode) +{ + mode->hsync_start = mode->hdisplay + 50; + mode->hsync_end = mode->hsync_start + 50; + mode->htotal = mode->hsync_end + 50; + + mode->vsync_start = mode->vdisplay + 50; + mode->vsync_end = mode->vsync_start + 50; + mode->vtotal = mode->vsync_end + 50; + + mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6; + mode->vrefresh = drm_mode_vrefresh(mode); +} + + int vmw_du_connector_fill_modes(struct drm_connector *connector, uint32_t max_width, uint32_t max_height) { @@ -1684,7 +1706,7 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector, return 0; mode->hdisplay = du->pref_width; mode->vdisplay = du->pref_height; - mode->vrefresh = drm_mode_vrefresh(mode); + vmw_guess_mode_timing(mode); if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2, mode->vdisplay)) { drm_mode_probed_add(connector, mode); -- cgit v1.2.3