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authorDave Airlie <airlied@redhat.com>2011-03-14 05:15:13 +0100
committerDave Airlie <airlied@redhat.com>2011-03-14 05:15:13 +0100
commit34db18abd376b2075c760c38f0b861aed379415d (patch)
treec4174e39a2f445f17c25ab206d45c66217bbbf85 /drivers/gpu/drm/i915/intel_bios.c
parentdrm: add cap bit to denote if dumb ioctl is available or not. (diff)
parentMerge branch 'drm-intel-fixes' into drm-intel-next (diff)
downloadlinux-34db18abd376b2075c760c38f0b861aed379415d.tar.xz
linux-34db18abd376b2075c760c38f0b861aed379415d.zip
Merge remote branch 'intel/drm-intel-next' of ../drm-next into drm-core-next
* 'intel/drm-intel-next' of ../drm-next: (755 commits) drm/i915: Only wait on a pending flip if we intend to write to the buffer drm/i915/dp: Sanity check eDP existence drm/i915: Rebind the buffer if its alignment constraints changes with tiling drm/i915: Disable GPU semaphores by default drm/i915: Do not overflow the MMADDR write FIFO Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing" drm/i915: Don't save/restore hardware status page address register drm/i915: don't store the reg value for HWS_PGA drm/i915: fix memory corruption with GM965 and >4GB RAM Linux 2.6.38-rc7 Revert "TPM: Long default timeout fix" drm/i915: Re-enable GPU semaphores for SandyBridge mobile drm/i915: Replace vblank PM QoS with "Interrupt-Based AGPBUSY#" Revert "drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU" drm/i915: Allow relocation deltas outside of target bo drm/i915: Silence an innocuous compiler warning for an unused variable fs/block_dev.c: fix new kernel-doc warning ACPI: Fix build for CONFIG_NET unset mm: <asm-generic/pgtable.h> must include <linux/mm_types.h> x86: Use u32 instead of long to set reset vector back to 0 ... Conflicts: drivers/gpu/drm/i915/i915_gem.c
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c53
1 files changed, 37 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 0b44956c336b..fb5b4d426ae0 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -226,29 +226,49 @@ static void
parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
- struct bdb_sdvo_lvds_options *sdvo_lvds_options;
struct lvds_dvo_timing *dvo_timing;
struct drm_display_mode *panel_fixed_mode;
+ int index;
- sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
- if (!sdvo_lvds_options)
- return;
+ index = i915_vbt_sdvo_panel_type;
+ if (index == -1) {
+ struct bdb_sdvo_lvds_options *sdvo_lvds_options;
+
+ sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
+ if (!sdvo_lvds_options)
+ return;
+
+ index = sdvo_lvds_options->panel_type;
+ }
dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
if (!dvo_timing)
return;
panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);
-
if (!panel_fixed_mode)
return;
- fill_detail_timing_data(panel_fixed_mode,
- dvo_timing + sdvo_lvds_options->panel_type);
+ fill_detail_timing_data(panel_fixed_mode, dvo_timing + index);
dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
- return;
+ DRM_DEBUG_KMS("Found SDVO panel mode in BIOS VBT tables:\n");
+ drm_mode_debug_printmodeline(panel_fixed_mode);
+}
+
+static int intel_bios_ssc_frequency(struct drm_device *dev,
+ bool alternate)
+{
+ switch (INTEL_INFO(dev)->gen) {
+ case 2:
+ return alternate ? 66 : 48;
+ case 3:
+ case 4:
+ return alternate ? 100 : 96;
+ default:
+ return alternate ? 100 : 120;
+ }
}
static void
@@ -263,13 +283,8 @@ parse_general_features(struct drm_i915_private *dev_priv,
dev_priv->int_tv_support = general->int_tv_support;
dev_priv->int_crt_support = general->int_crt_support;
dev_priv->lvds_use_ssc = general->enable_ssc;
-
- if (IS_I85X(dev))
- dev_priv->lvds_ssc_freq = general->ssc_freq ? 66 : 48;
- else if (IS_GEN5(dev) || IS_GEN6(dev))
- dev_priv->lvds_ssc_freq = general->ssc_freq ? 100 : 120;
- else
- dev_priv->lvds_ssc_freq = general->ssc_freq ? 100 : 96;
+ dev_priv->lvds_ssc_freq =
+ intel_bios_ssc_frequency(dev, general->ssc_freq);
}
}
@@ -553,6 +568,8 @@ parse_device_mapping(struct drm_i915_private *dev_priv,
static void
init_vbt_defaults(struct drm_i915_private *dev_priv)
{
+ struct drm_device *dev = dev_priv->dev;
+
dev_priv->crt_ddc_pin = GMBUS_PORT_VGADDC;
/* LFP panel data */
@@ -565,7 +582,11 @@ init_vbt_defaults(struct drm_i915_private *dev_priv)
/* general features */
dev_priv->int_tv_support = 1;
dev_priv->int_crt_support = 1;
- dev_priv->lvds_use_ssc = 0;
+
+ /* Default to using SSC */
+ dev_priv->lvds_use_ssc = 1;
+ dev_priv->lvds_ssc_freq = intel_bios_ssc_frequency(dev, 1);
+ DRM_DEBUG("Set default to SSC at %dMHz\n", dev_priv->lvds_ssc_freq);
/* eDP data */
dev_priv->edp.bpp = 18;