diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2015-12-14 13:50:46 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2015-12-16 12:21:02 +0300 |
| commit | b30581a4d64f226a064132d09364b51e82a01dde (patch) | |
| tree | dc5514189ae4ce5d76566e3d392b5ba89aa6d026 /drivers/gpu/drm/i915/intel_opregion.c | |
| parent | b3cbd98b2572ada8df1f183190bd867183369df7 (diff) | |
| download | linux-b30581a4d64f226a064132d09364b51e82a01dde.tar.xz | |
drm/i915: move "no VBT in opregion" quirk to intel_opregion_setup()
Check the quirk in intel_opregion_setup(), and don't initialize
opregion->vbt at all if the quirk says it's not present, hiding the
quirk from the rest of the driver.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/7cdc86eb441f8b7075142445a800b07ecf8c76cb.1450089383.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_opregion.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index cd97b9a5df57..5b9fc790d300 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -26,6 +26,7 @@ */ #include <linux/acpi.h> +#include <linux/dmi.h> #include <acpi/video.h> #include <drm/drmP.h> @@ -904,6 +905,25 @@ static void swsci_setup(struct drm_device *dev) static inline void swsci_setup(struct drm_device *dev) {} #endif /* CONFIG_ACPI */ +static int intel_no_opregion_vbt_callback(const struct dmi_system_id *id) +{ + DRM_DEBUG_KMS("Falling back to manually reading VBT from " + "VBIOS ROM for %s\n", id->ident); + return 1; +} + +static const struct dmi_system_id intel_no_opregion_vbt[] = { + { + .callback = intel_no_opregion_vbt_callback, + .ident = "ThinkCentre A57", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "97027RG"), + }, + }, + { } +}; + int intel_opregion_setup(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -942,8 +962,6 @@ int intel_opregion_setup(struct drm_device *dev) goto err_out; } opregion->header = base; - opregion->vbt = base + OPREGION_VBT_OFFSET; - opregion->lid_state = base + ACPI_CLID; mboxes = opregion->header->mboxes; @@ -968,6 +986,9 @@ int intel_opregion_setup(struct drm_device *dev) if (mboxes & MBOX_ASLE_EXT) DRM_DEBUG_DRIVER("ASLE extension supported\n"); + if (!dmi_check_system(intel_no_opregion_vbt)) + opregion->vbt = base + OPREGION_VBT_OFFSET; + return 0; err_out: |