diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/cdv_device.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/cdv_device.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c index a54cc738926a..5cc06a8fcb7a 100644 --- a/drivers/gpu/drm/gma500/cdv_device.c +++ b/drivers/gpu/drm/gma500/cdv_device.c @@ -49,6 +49,9 @@ static void cdv_disable_vga(struct drm_device *dev) static int cdv_output_init(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; + + drm_mode_create_scaling_mode_property(dev); + cdv_disable_vga(dev); cdv_intel_crt_init(dev, &dev_priv->mode_dev); @@ -238,6 +241,18 @@ static void cdv_init_pm(struct drm_device *dev) dev_err(dev->dev, "GPU: power management timed out.\n"); } +static void cdv_errata(struct drm_device *dev) +{ + /* Disable bonus launch. + * CPU and GPU competes for memory and display misses updates and flickers. + * Worst with dual core, dual displays. + * + * Fixes were done to Win 7 gfx driver to disable a feature called Bonus + * Launch to work around the issue, by degrading performance. + */ + CDV_MSG_WRITE32(3, 0x30, 0x08027108); +} + /** * cdv_save_display_registers - save registers lost on suspend * @dev: our DRM device @@ -355,7 +370,7 @@ static int cdv_restore_display_registers(struct drm_device *dev) REG_WRITE(PSB_INT_MASK_R, regs->cdv.saveIMR); /* Fix arbitration bug */ - CDV_MSG_WRITE32(3, 0x30, 0x08027108); + cdv_errata(dev); drm_mode_config_reset(dev); @@ -464,8 +479,11 @@ const struct psb_ops cdv_chip_ops = { .accel_2d = 0, .pipes = 2, .crtcs = 2, + .hdmi_mask = (1 << 0) | (1 << 1), + .lvds_mask = (1 << 1), .sgx_offset = MRST_SGX_OFFSET, .chip_setup = cdv_chip_setup, + .errata = cdv_errata, .crtc_helper = &cdv_intel_helper_funcs, .crtc_funcs = &cdv_intel_crtc_funcs, |