drm/i915: skip modeset if compatible for everyone.

This is done as a separate commit, to make it easier to revert
when things break.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index da0f264..2994ce5 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2644,7 +2644,6 @@ struct i915_params {
        int enable_cmd_parser;
        /* leave bools at the end to not create holes */
        bool enable_hangcheck;
-       bool fastboot;
        bool prefault_disable;
        bool load_detect_test;
        bool reset;

diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index 05053e2..ca060d5 100644 (file)
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -40,7 +40,6 @@ struct i915_params i915 __read_mostly = {
        .preliminary_hw_support = IS_ENABLED(CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT),
        .disable_power_well = 1,
        .enable_ips = 1,
-       .fastboot = 0,
        .prefault_disable = 0,
        .load_detect_test = 0,
        .reset = true,
@@ -133,10 +132,6 @@ MODULE_PARM_DESC(disable_power_well,
 module_param_named(enable_ips, i915.enable_ips, int, 0600);
 MODULE_PARM_DESC(enable_ips, "Enable IPS (default: true)");
 
-module_param_named(fastboot, i915.fastboot, bool, 0600);
-MODULE_PARM_DESC(fastboot,
-       "Try to skip unnecessary mode sets at boot time (default: false)");
-
 module_param_named_unsafe(prefault_disable, i915.prefault_disable, bool, 0600);
 MODULE_PARM_DESC(prefault_disable,
        "Disable page prefaulting for pread/pwrite/reloc (default:false). "

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 1691ec2..a001cbb 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13005,8 +13005,7 @@ static int intel_atomic_check(struct drm_device *dev,
                if (ret)
                        return ret;
 
-               if (i915.fastboot &&
-                   intel_pipe_config_compare(state->dev,
+               if (intel_pipe_config_compare(state->dev,
                                        to_intel_crtc_state(crtc->state),
                                        pipe_config, true)) {
                        crtc_state->mode_changed = false;