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path: root/drivers/gpu/drm/i915/i915_params.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_params.c')
-rw-r--r--drivers/gpu/drm/i915/i915_params.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index d05a2afa17dc..62ee8308d682 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -37,7 +37,7 @@ struct i915_params i915 __read_mostly = {
.enable_fbc = -1,
.enable_hangcheck = true,
.enable_ppgtt = -1,
- .enable_psr = 0,
+ .enable_psr = 1,
.preliminary_hw_support = IS_ENABLED(CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT),
.disable_power_well = 1,
.enable_ips = 1,
@@ -48,6 +48,8 @@ struct i915_params i915 __read_mostly = {
.disable_display = 0,
.enable_cmd_parser = 1,
.disable_vtd_wa = 0,
+ .use_mmio_flip = 0,
+ .mmio_debug = 0,
};
module_param_named(modeset, i915.modeset, int, 0400);
@@ -117,7 +119,7 @@ MODULE_PARM_DESC(enable_ppgtt,
"(-1=auto [default], 0=disabled, 1=aliasing, 2=full)");
module_param_named(enable_psr, i915.enable_psr, int, 0600);
-MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)");
+MODULE_PARM_DESC(enable_psr, "Enable PSR (default: true)");
module_param_named(preliminary_hw_support, i915.preliminary_hw_support, int, 0600);
MODULE_PARM_DESC(preliminary_hw_support,
@@ -156,3 +158,12 @@ MODULE_PARM_DESC(disable_vtd_wa, "Disable all VT-d workarounds (default: false)"
module_param_named(enable_cmd_parser, i915.enable_cmd_parser, int, 0600);
MODULE_PARM_DESC(enable_cmd_parser,
"Enable command parsing (1=enabled [default], 0=disabled)");
+
+module_param_named(use_mmio_flip, i915.use_mmio_flip, int, 0600);
+MODULE_PARM_DESC(use_mmio_flip,
+ "use MMIO flips (-1=never, 0=driver discretion [default], 1=always)");
+
+module_param_named(mmio_debug, i915.mmio_debug, bool, 0600);
+MODULE_PARM_DESC(mmio_debug,
+ "Enable the MMIO debug code (default: false). This may negatively "
+ "affect performance.");
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