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gma500: Fix crash on D2700MUD and various other boards 

The recent changes led to the lid timer code being run on various devices.
It does no harm on most but isn't needed. It also calls unconditionally
into the Poulsbo backlight code which goes bang on Cedartrail.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alan Cox 2012-05-14 12:03:34 +01:00 committed by Dave Airlie
parent f9aa76a852
commit 6607e02401
2 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/gma500/psb_device.c
View File

@ -352,8 +352,17 @@ static int psb_chip_setup(struct drm_device *dev)
return 0;
}
/* Not exactly an erratum more an irritation */
static int psb_chip_errata(struct drm_device *dev)
{
struct drm_psb_private *dev_priv = dev->dev_private;
psb_lid_timer_init(dev_priv);
}
static void psb_chip_teardown(struct drm_device *dev)
{
struct drm_psb_private *dev_priv = dev->dev_private;
psb_lid_timer_takedown(dev_priv);
gma_intel_teardown_gmbus(dev);
}
@ -367,6 +376,7 @@ const struct psb_ops psb_chip_ops = {
.sgx_offset = PSB_SGX_OFFSET,
.chip_setup = psb_chip_setup,
.chip_teardown = psb_chip_teardown,
.errata = psb_chip_errata,
.crtc_helper = &psb_intel_helper_funcs,
.crtc_funcs = &psb_intel_crtc_funcs,

6
drivers/gpu/drm/gma500/psb_drv.c
View File

@ -208,11 +208,11 @@ static int psb_driver_unload(struct drm_device *dev)
psb_modeset_cleanup(dev);
if (dev_priv) {
psb_intel_opregion_fini(dev);
psb_lid_timer_takedown(dev_priv);
if (dev_priv->ops->chip_teardown)
dev_priv->ops->chip_teardown(dev);
psb_intel_opregion_fini(dev);
psb_do_takedown(dev);
@ -336,8 +336,6 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
acpi_video_register();
if (dev_priv->opregion.lid_state)
psb_lid_timer_init(dev_priv);
ret = drm_vblank_init(dev, dev_priv->num_pipe);
if (ret)