[PATCH] drm/i915: kill i915.powersave

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This flag was being mostly used as a meta flag in some
cases and not covering other cases.

One of the risks is that it was masking some frontbuffer
trackings without disabling PSR.

So, better to kill this at once and avoid umbrella parameters.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_drv.h          | 1 -
 drivers/gpu/drm/i915/i915_params.c       | 5 -----
 drivers/gpu/drm/i915/intel_display.c     | 7 ++-----
 drivers/gpu/drm/i915/intel_fbc.c         | 2 +-
 drivers/gpu/drm/i915/intel_frontbuffer.c | 3 ---
 5 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f4adca1..92a9e85 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2440,7 +2440,6 @@ extern int i915_resume_legacy(struct drm_device *dev);
 struct i915_params {
 	int modeset;
 	int panel_ignore_lid;
-	unsigned int powersave;
 	int semaphores;
 	unsigned int lvds_downclock;
 	int lvds_channel_mode;
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index 7106633..db79da6 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -27,7 +27,6 @@
 struct i915_params i915 __read_mostly = {
 	.modeset = -1,
 	.panel_ignore_lid = 1,
-	.powersave = 1,
 	.semaphores = -1,
 	.lvds_downclock = 0,
 	.lvds_channel_mode = 0,
@@ -65,10 +64,6 @@ MODULE_PARM_DESC(panel_ignore_lid,
 	"Override lid status (0=autodetect, 1=autodetect disabled [default], "
 	"-1=force lid closed, -2=force lid open)");
 
-module_param_named(powersave, i915.powersave, int, 0600);
-MODULE_PARM_DESC(powersave,
-	"Enable powersavings, fbc, downclocking, etc. (default: true)");
-
 module_param_named_unsafe(semaphores, i915.semaphores, int, 0400);
 MODULE_PARM_DESC(semaphores,
 	"Use semaphores for inter-ring sync "
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 91dd7bf..180b42a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6058,7 +6058,7 @@ static void i9xx_update_pll_dividers(struct intel_crtc *crtc,
 
 	crtc->lowfreq_avail = false;
 	if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS) &&
-	    reduced_clock && i915.powersave) {
+	    reduced_clock) {
 		crtc_state->dpll_hw_state.fp1 = fp2;
 		crtc->lowfreq_avail = true;
 	} else {
@@ -7841,7 +7841,7 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
 		}
 	}
 
-	if (is_lvds && has_reduced_clock && i915.powersave)
+	if (is_lvds && has_reduced_clock)
 		crtc->lowfreq_avail = true;
 	else
 		crtc->lowfreq_avail = false;
@@ -9356,9 +9356,6 @@ void intel_mark_idle(struct drm_device *dev)
 
 	dev_priv->mm.busy = false;
 
-	if (!i915.powersave)
-		goto out;
-
 	for_each_crtc(dev, crtc) {
 		if (!crtc->primary->fb)
 			continue;
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index 9fcf446..4165ce0 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -521,7 +521,7 @@ void intel_fbc_update(struct drm_device *dev)
 		goto out_disable;
 	}
 
-	if (!i915.enable_fbc || !i915.powersave) {
+	if (!i915.enable_fbc) {
 		if (set_no_fbc_reason(dev_priv, FBC_MODULE_PARAM))
 			DRM_DEBUG_KMS("fbc disabled per module param\n");
 		goto out_disable;
diff --git a/drivers/gpu/drm/i915/intel_frontbuffer.c b/drivers/gpu/drm/i915/intel_frontbuffer.c
index 8d4d710..57095f5 100644
--- a/drivers/gpu/drm/i915/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/intel_frontbuffer.c
@@ -110,9 +110,6 @@ static void intel_mark_fb_busy(struct drm_device *dev,
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	enum pipe pipe;
 
-	if (!i915.powersave)
-		return;
-
 	for_each_pipe(dev_priv, pipe) {
 		if (!(frontbuffer_bits & INTEL_FRONTBUFFER_ALL_MASK(pipe)))
 			continue;
-- 
2.1.0

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