diff options
author | codeworkx <daniel.hillenbrand@codeworkx.de> | 2012-06-02 13:09:29 +0200 |
---|---|---|
committer | codeworkx <daniel.hillenbrand@codeworkx.de> | 2012-06-02 13:09:29 +0200 |
commit | c6da2cfeb05178a11c6d062a06f8078150ee492f (patch) | |
tree | f3b4021d252c52d6463a9b3c1bb7245e399b009c /drivers/gpu/drm/i915/intel_crt.c | |
parent | c6d7c4dbff353eac7919342ae6b3299a378160a6 (diff) | |
download | kernel_samsung_smdk4412-c6da2cfeb05178a11c6d062a06f8078150ee492f.zip kernel_samsung_smdk4412-c6da2cfeb05178a11c6d062a06f8078150ee492f.tar.gz kernel_samsung_smdk4412-c6da2cfeb05178a11c6d062a06f8078150ee492f.tar.bz2 |
samsung update 1
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 48 |
1 files changed, 35 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 0979d88..4d3d736 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -24,6 +24,7 @@ * Eric Anholt <eric@anholt.net> */ +#include <linux/dmi.h> #include <linux/i2c.h> #include <linux/slab.h> #include "drmP.h" @@ -69,7 +70,7 @@ static void intel_crt_dpms(struct drm_encoder *encoder, int mode) temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE); temp &= ~ADPA_DAC_ENABLE; - switch(mode) { + switch (mode) { case DRM_MODE_DPMS_ON: temp |= ADPA_DAC_ENABLE; break; @@ -152,17 +153,13 @@ static void intel_crt_mode_set(struct drm_encoder *encoder, if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) adpa |= ADPA_VSYNC_ACTIVE_HIGH; - if (intel_crtc->pipe == 0) { - if (HAS_PCH_CPT(dev)) - adpa |= PORT_TRANS_A_SEL_CPT; - else - adpa |= ADPA_PIPE_A_SELECT; - } else { - if (HAS_PCH_CPT(dev)) - adpa |= PORT_TRANS_B_SEL_CPT; - else - adpa |= ADPA_PIPE_B_SELECT; - } + /* For CPT allow 3 pipe config, for others just use A or B */ + if (HAS_PCH_CPT(dev)) + adpa |= PORT_TRANS_SEL_CPT(intel_crtc->pipe); + else if (intel_crtc->pipe == 0) + adpa |= ADPA_PIPE_A_SELECT; + else + adpa |= ADPA_PIPE_B_SELECT; if (!HAS_PCH_SPLIT(dev)) I915_WRITE(BCLRPAT(intel_crtc->pipe), 0); @@ -544,6 +541,24 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = { .destroy = intel_encoder_destroy, }; +static int __init intel_no_crt_dmi_callback(const struct dmi_system_id *id) +{ + DRM_DEBUG_KMS("Skipping CRT initialization for %s\n", id->ident); + return 1; +} + +static const struct dmi_system_id intel_no_crt[] = { + { + .callback = intel_no_crt_dmi_callback, + .ident = "ACER ZGB", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ACER"), + DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"), + }, + }, + { } +}; + void intel_crt_init(struct drm_device *dev) { struct drm_connector *connector; @@ -551,6 +566,10 @@ void intel_crt_init(struct drm_device *dev) struct intel_connector *intel_connector; struct drm_i915_private *dev_priv = dev->dev_private; + /* Skip machines without VGA that falsely report hotplug events */ + if (dmi_check_system(intel_no_crt)) + return; + crt = kzalloc(sizeof(struct intel_crt), GFP_KERNEL); if (!crt) return; @@ -575,7 +594,10 @@ void intel_crt_init(struct drm_device *dev) 1 << INTEL_ANALOG_CLONE_BIT | 1 << INTEL_SDVO_LVDS_CLONE_BIT); crt->base.crtc_mask = (1 << 0) | (1 << 1); - connector->interlace_allowed = 1; + if (IS_GEN2(dev)) + connector->interlace_allowed = 0; + else + connector->interlace_allowed = 1; connector->doublescan_allowed = 0; drm_encoder_helper_add(&crt->base.base, &intel_crt_helper_funcs); |