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From: Daniel Vetter <daniel.vetter@ffwll.ch>
To: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Subject: [PATCH 65/76] drm/i915: disable all crtcs at suspend time
Date: Thu, 26 Jul 2012 20:49:30 +0200	[thread overview]
Message-ID: <1343328581-2324-66-git-send-email-daniel.vetter@ffwll.ch> (raw)
In-Reply-To: <1343328581-2324-1-git-send-email-daniel.vetter@ffwll.ch>

We need this to avoid confusing the hw state readout code with the cpt
pch plls at resume time: We'd read the new pipe state (which is
disabled), but still believe that we have a life pll connected to that
pipe (from before the suspend). Hence properly disable pipes to clear
out all the residual state.

This has the neat side-effect that we don't enable ports prematurely
by restoring bogus state from the saved register values.

Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Conflicts:
	drivers/gpu/drm/i915/intel_drv.h
---
 drivers/gpu/drm/i915/i915_drv.c      |    3 +++
 drivers/gpu/drm/i915/intel_display.c |   10 ++++++++++
 drivers/gpu/drm/i915/intel_drv.h     |    1 +
 3 files changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 04149e0..06b4d9d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -441,6 +441,9 @@ static int i915_drm_freeze(struct drm_device *dev)
 				"GEM idle failed, resume might fail\n");
 			return error;
 		}
+
+		intel_modeset_disable(dev);
+
 		drm_irq_uninstall(dev);
 	}
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 99f4e55..bd00dde 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3544,6 +3544,16 @@ static void intel_crtc_disable(struct drm_crtc *crtc)
 	}
 }
 
+void intel_modeset_disable(struct drm_device *dev)
+{
+	struct drm_crtc *crtc;
+
+	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+		if (crtc->enabled)
+			intel_crtc_disable(crtc);
+	}
+}
+
 void intel_encoder_noop(struct drm_encoder *encoder)
 {
 }
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 24b23ed..995d5a0 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -450,6 +450,7 @@ struct intel_set_config {
 
 extern bool intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,
 			   int x, int y, struct drm_framebuffer *old_fb);
+extern void intel_modeset_disable(struct drm_device *dev);
 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
 extern void intel_crtc_update_dpms(struct drm_crtc *crtc);
 extern void intel_encoder_noop(struct drm_encoder *encoder);
-- 
1.7.10.4

  parent reply	other threads:[~2012-07-26 19:57 UTC|newest]

Thread overview: 86+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-26 18:48 [PATCH 00/76] modeset rework, lightly reworked Daniel Vetter
2012-07-26 18:48 ` [PATCH 01/76] drm/fb-helper: don't clobber output routing in setup_crtcs Daniel Vetter
2012-08-29 16:57   ` Jesse Barnes
2012-07-26 18:48 ` [PATCH 02/76] drm/i915: add missing gen2 pipe A quirk entries Daniel Vetter
2012-08-29 16:58   ` Jesse Barnes
2012-07-26 18:48 ` [PATCH 03/76] drm/i915/ns2501: kill pll A enabling hack Daniel Vetter
2012-08-29 16:59   ` Jesse Barnes
2012-07-26 18:48 ` [PATCH 04/76] drm/i915: rip out the overlay pipe A workaround Daniel Vetter
2012-08-29 16:59   ` Jesse Barnes
2012-07-26 18:48 ` [PATCH 05/76] drm/i915: prepare load-detect pipe code for dpms changes Daniel Vetter
2012-08-29 17:07   ` Jesse Barnes
2012-07-26 18:48 ` [PATCH 06/76] drm/i915: simplify dvo dpms interface Daniel Vetter
2012-08-29 17:09   ` Jesse Barnes
2012-07-26 18:48 ` [PATCH 07/76] drm/i915: kill a few unused things in dev_priv Daniel Vetter
2012-08-29 17:37   ` Jesse Barnes
2012-07-26 18:48 ` [PATCH 08/76] drm/i915: extract ironlake_fdi_pll_disable Daniel Vetter
2012-08-29 17:47   ` Jesse Barnes
2012-07-26 18:48 ` [PATCH 09/76] drm/i915: add crtc->enable/disable vfuncs insted of dpms Daniel Vetter
2012-08-29 17:49   ` Jesse Barnes
2012-07-26 18:48 ` [PATCH 10/76] drm/i915: rip out crtc prepare/commit indirection Daniel Vetter
2012-07-26 18:48 ` [PATCH 11/76] drm/i915: add direct encoder disable/enable infrastructure Daniel Vetter
2012-07-26 18:48 ` [PATCH 12/76] drm/i915/hdmi: convert to encoder->disable/enable Daniel Vetter
2012-07-26 18:48 ` [PATCH 13/76] drm/i915/tv: convert to encoder enable/disable Daniel Vetter
2012-07-26 18:48 ` [PATCH 14/76] drm/i915/lvds: convert to encoder disable/enable Daniel Vetter
2012-07-26 18:48 ` [PATCH 15/76] drm/i915/dp: " Daniel Vetter
2012-07-26 18:48 ` [PATCH 16/76] drm/i915/crt: " Daniel Vetter
2012-07-26 18:48 ` [PATCH 17/76] drm/i915/sdvo: " Daniel Vetter
2012-07-26 18:48 ` [PATCH 18/76] drm/i915/dvo: " Daniel Vetter
2012-07-26 18:48 ` [PATCH 19/76] drm/i915: convert dpms functions of dvo/sdvo/crt Daniel Vetter
2012-07-26 18:48 ` [PATCH 20/76] drm/i915: rip out encoder->disable/enable checks Daniel Vetter
2012-07-26 18:48 ` [PATCH 21/76] drm/i915: clean up encoder_prepare/commit Daniel Vetter
2012-07-26 18:48 ` [PATCH 22/76] drm/i915: copy&paste drm_crtc_helper_set_config Daniel Vetter
2012-07-26 18:48 ` [PATCH 23/76] drm/i915: call set_base directly Daniel Vetter
2012-07-26 18:48 ` [PATCH 24/76] drm/i915: inline intel_best_encoder Daniel Vetter
2012-07-26 18:48 ` [PATCH 25/76] drm/i915: copy&paste drm_crtc_helper_set_mode Daniel Vetter
2012-07-26 18:48 ` [PATCH 26/76] drm/i915: simplify intel_crtc_prepare_encoders Daniel Vetter
2012-07-26 18:48 ` [PATCH 27/76] drm/i915: rip out encoder->prepare/commit Daniel Vetter
2012-07-26 18:48 ` [PATCH 28/76] drm/i915: call crtc functions directly Daniel Vetter
2012-07-26 18:48 ` [PATCH 29/76] drm/i915: WARN when trying to enabled an unused crtc Daniel Vetter
2012-07-26 18:48 ` [PATCH 30/76] drm/i915: Add interfaces to read out encoder/connector hw state Daniel Vetter
2012-07-26 18:48 ` [PATCH 31/76] drm/i915/dp: implement get_hw_state Daniel Vetter
2012-07-26 18:48 ` [PATCH 32/76] drm/i915/hdmi: " Daniel Vetter
2012-07-26 18:48 ` [PATCH 33/76] drm/i915/tv: " Daniel Vetter
2012-07-26 18:48 ` [PATCH 34/76] drm/i915/lvds: " Daniel Vetter
2012-07-26 18:49 ` [PATCH 35/76] drm/i915/crt: " Daniel Vetter
2012-07-26 18:49 ` [PATCH 36/76] drm/i915/sdvo: " Daniel Vetter
2012-07-26 18:49 ` [PATCH 37/76] drm/i915/dvo: " Daniel Vetter
2012-07-26 18:49 ` [PATCH 38/76] drm/i915: read out the modeset hw state at load and resume time Daniel Vetter
2012-07-26 18:49 ` [PATCH 39/76] drm/i915: check connector hw/sw state Daniel Vetter
2012-07-26 18:49 ` [PATCH 40/76] drm/i915: rip out intel_crtc->dpms_mode Daniel Vetter
2012-07-26 18:49 ` [PATCH 41/76] drm/i915: rip out intel_dp->dpms_mode Daniel Vetter
2012-07-26 18:49 ` [PATCH 42/76] drm/i915: ensure the force pipe A quirk is actually followed Daniel Vetter
2012-07-26 18:49 ` [PATCH 43/76] drm/i915: introduce struct intel_set_config Daniel Vetter
2012-07-26 18:49 ` [PATCH 44/76] drm/i915: extract modeset config save/restore code Daniel Vetter
2012-07-26 18:49 ` [PATCH 45/76] drm/i915: extract intel_set_config_compute_mode_changes Daniel Vetter
2012-07-26 18:49 ` [PATCH 46/76] drm/i915: extract intel_set_config_update_output_state Daniel Vetter
2012-07-26 18:49 ` [PATCH 47/76] drm/i915: implement crtc helper semantics relied upon by the fb helper Daniel Vetter
2012-07-26 18:49 ` [PATCH 48/76] drm/i915: don't update the fb base if there is no fb Daniel Vetter
2012-07-26 18:49 ` [PATCH 49/76] drm/i915: convert pointless error checks in set_config to BUGs Daniel Vetter
2012-07-26 18:49 ` [PATCH 50/76] drm/i915: don't save all the encoder/crtc state in set_config Daniel Vetter
2012-07-26 18:49 ` [PATCH 51/76] drm/i915: stage modeset output changes Daniel Vetter
2012-07-26 18:49 ` [PATCH 52/76] drm/i915: push crtc->fb update into pipe_set_base Daniel Vetter
2012-07-26 18:49 ` [PATCH 53/76] drm/i915: remove crtc disabling special case Daniel Vetter
2012-07-26 18:49 ` [PATCH 54/76] drm/i915: move output commit and crtc disabling into set_mode Daniel Vetter
2012-07-26 18:49 ` [PATCH 55/76] drm/i915: extract adjusted mode computation Daniel Vetter
2012-07-26 18:49 ` [PATCH 56/76] drm/i915: use staged outuput config in tv->mode_fixup Daniel Vetter
2012-07-26 18:49 ` [PATCH 57/76] drm/i915: use staged outuput config in lvds->mode_fixup Daniel Vetter
2012-07-26 18:49 ` [PATCH 58/76] drm/i915: compute masks of crtcs affected in set_mode Daniel Vetter
2012-07-26 18:49 ` [PATCH 59/76] drm/i915: implement new set_mode code flow Daniel Vetter
2012-07-26 18:49 ` [PATCH 60/76] drm/i915: push commit_output_state past crtc disabling Daniel Vetter
2012-07-26 18:49 ` [PATCH 61/76] drm/i915: s/intel_encoder_disable/intel_encoder_noop Daniel Vetter
2012-07-26 18:49 ` [PATCH 62/76] drm/i915: WARN if the pipe won't turn off Daniel Vetter
2012-07-26 18:49 ` [PATCH 63/76] drm/i915: switch the load detect code to the staged modeset config Daniel Vetter
2012-07-26 18:49 ` [PATCH 64/76] drm/i915: push commit_output_state past the crtc/encoder preparing Daniel Vetter
2012-07-26 18:49 ` Daniel Vetter [this message]
2012-07-26 18:49 ` [PATCH 66/76] drm/i915: add tons of modeset state checks Daniel Vetter
2012-07-26 18:49 ` [PATCH 67/76] drm/i915: rip out intel_disable_pch_ports Daniel Vetter
2012-07-26 18:49 ` [PATCH 68/76] drm/i915: don't disable fdi links harder in ilk_crtc_enable Daniel Vetter
2012-07-26 18:49 ` [PATCH 69/76] drm/i915: don't call dpms funcs after set_mode Daniel Vetter
2012-07-26 18:49 ` [PATCH 70/76] drm/i915: update dpms property in set_mode Daniel Vetter
2012-07-26 18:49 ` [PATCH 71/76] drm/i915: add encoder->pre_enable/post_disable Daniel Vetter
2012-07-26 18:49 ` [PATCH 72/76] drm/i915: clean up the cpu edp pll special case Daniel Vetter
2012-07-26 18:49 ` [PATCH 73/76] drm/i915: robustify edp_pll_on/off Daniel Vetter
2012-07-26 18:49 ` [PATCH 74/76] drm/i915: rip out dp port enabling cludges^Wchecks Daniel Vetter
2012-07-26 18:49 ` [PATCH 75/76] drm/i915: disable the cpu edp port after the cpu pipe Daniel Vetter
2012-07-26 18:49 ` [PATCH 76/76] drm/i915: move encoder->mode_set calls to crtc_mode_set Daniel Vetter

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