summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c4
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c5
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 0694e17..0e797d3 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -89,8 +89,8 @@ MODULE_PARM_DESC(lvds_use_ssc,
int i915_vbt_sdvo_panel_type __read_mostly = -1;
module_param_named(vbt_sdvo_panel_type, i915_vbt_sdvo_panel_type, int, 0600);
MODULE_PARM_DESC(vbt_sdvo_panel_type,
- "Override selection of SDVO panel mode in the VBT "
- "(default: auto)");
+ "Override/Ignore selection of SDVO panel mode in the VBT "
+ "(-2=ignore, -1=auto [default], index in VBT BIOS table)");
static bool i915_try_reset __read_mostly = true;
module_param_named(reset, i915_try_reset, bool, 0600);
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 8168d8f..0ae76d6 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -255,6 +255,11 @@ parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
int index;
index = i915_vbt_sdvo_panel_type;
+ if (index == -2) {
+ DRM_DEBUG_KMS("Ignore SDVO panel mode from BIOS VBT tables.\n");
+ return;
+ }
+
if (index == -1) {
struct bdb_sdvo_lvds_options *sdvo_lvds_options;