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vmwgfx: Make the preferred autofit mode have a 60Hz vrefresh 

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
hifive-unleashed-5.1
Thomas Hellstrom 2011-11-02 09:43:10 +01:00 committed by Dave Airlie
parent 0e708bc5d6
commit 1543b4dd0c
1 changed files with 23 additions and 1 deletions
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24
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
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@ -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);