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authorMark Weiman2018-02-07 22:41:21 -0500
committerMark Weiman2018-02-07 22:41:21 -0500
commitb23427dec7d7b93e7089623cc8fb7283143b657f (patch)
tree1e056c919042ddc2cb7655792588e2e51c499e84 /i915-vga-arbiter.patch
parent3e2b5d93724e4df9911a5550acd221226801803a (diff)
downloadaur-b23427dec7d7b93e7089623cc8fb7283143b657f.tar.gz
Update to 4.15.1-1
Diffstat (limited to 'i915-vga-arbiter.patch')
-rw-r--r--i915-vga-arbiter.patch92
1 files changed, 42 insertions, 50 deletions
diff --git a/i915-vga-arbiter.patch b/i915-vga-arbiter.patch
index cdedd31811d..abc906b513f 100644
--- a/i915-vga-arbiter.patch
+++ b/i915-vga-arbiter.patch
@@ -1,8 +1,8 @@
-From ad546a3996bf0725bb89545b4bf4656b4105221e Mon Sep 17 00:00:00 2001
+From 7209b38ae2b81e6d79aecb77263580f8840e459a Mon Sep 17 00:00:00 2001
From: Mark Weiman <mark.weiman@markzz.com>
-Date: Wed, 13 Dec 2017 15:38:53 -0500
+Date: Wed, 7 Feb 2018 19:50:27 -0500
Subject: [PATCH] i915: Add module option to support VGA arbiter on HD devices
- (4.14)
+ (4.15)
This is an updated version of Alex Williamson's patch from:
https://lkml.org/lkml/2014/5/9/517
@@ -34,23 +34,25 @@ VGA devices.
This also rolls in reverted commit 6e1b4fda, which corrected an
ordering issue with 81b5c7bc by delaying the disabling of VGA memory
until after vgacon->fbcon handoff.
+
+Signed-off-by: Mark Weiman <mark.weiman@markzz.com>
---
drivers/gpu/drm/i915/i915_drv.c | 22 +++++++++++++++++++---
- drivers/gpu/drm/i915/i915_params.c | 5 +++++
+ drivers/gpu/drm/i915/i915_params.c | 3 +++
drivers/gpu/drm/i915/i915_params.h | 1 +
- drivers/gpu/drm/i915/intel_display.c | 34 ++++++++++++++++++++++++++++++++++
+ drivers/gpu/drm/i915/intel_display.c | 33 +++++++++++++++++++++++++++++++++
drivers/gpu/drm/i915/intel_drv.h | 1 +
- 5 files changed, 60 insertions(+), 3 deletions(-)
+ 5 files changed, 57 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
-index 82498f8232eb..13795e7cdb5f 100644
+index 2cf10d17acfb..794590a2dcf3 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
-@@ -629,10 +629,20 @@ static int i915_load_modeset_init(struct drm_device *dev)
+@@ -641,10 +641,20 @@ static int i915_load_modeset_init(struct drm_device *dev)
* If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
* then we do not take part in VGA arbitration and the
* vga_client_register() fails with -ENODEV.
-+ *
++ *
+ * NB. The set_decode callback here actually works on GMCH
+ * devices, on newer HD devices we can only disable VGA MMIO space.
+ * Disabling VGA I/O space requires disabling I/O in the PCI command
@@ -61,7 +63,7 @@ index 82498f8232eb..13795e7cdb5f 100644
- ret = vga_client_register(pdev, dev_priv, NULL, i915_vga_set_decode);
- if (ret && ret != -ENODEV)
- goto out;
-+ if (!i915.enable_hd_vgaarb || !HAS_PCH_SPLIT(dev_priv)) {
++ if (!i915_modparams.enable_hd_vgaarb || !HAS_PCH_SPLIT(dev_priv)) {
+ ret = vga_client_register(pdev, dev, NULL,
+ i915_vga_set_decode);
+ if (ret && ret != -ENODEV)
@@ -70,7 +72,7 @@ index 82498f8232eb..13795e7cdb5f 100644
intel_register_dsm_handler();
-@@ -674,6 +684,12 @@ static int i915_load_modeset_init(struct drm_device *dev)
+@@ -686,6 +696,12 @@ static int i915_load_modeset_init(struct drm_device *dev)
if (ret)
goto cleanup_gem;
@@ -84,45 +86,36 @@ index 82498f8232eb..13795e7cdb5f 100644
intel_hpd_init(dev_priv);
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
-index 8ab003dca113..c1e5c6c2e24e 100644
+index b4faeb6aa2bd..fdf2ce69b34d 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
-@@ -51,6 +51,7 @@ struct i915_params i915 __read_mostly = {
- .invert_brightness = 0,
- .disable_display = 0,
- .enable_cmd_parser = true,
-+ .enable_hd_vgaarb = false,
- .use_mmio_flip = 0,
- .mmio_debug = 0,
- .verbose_state_checks = 1,
-@@ -198,6 +199,10 @@ module_param_named_unsafe(enable_cmd_parser, i915.enable_cmd_parser, bool, 0400)
- MODULE_PARM_DESC(enable_cmd_parser,
- "Enable command parsing (true=enabled [default], false=disabled)");
+@@ -146,6 +146,9 @@ i915_param_named(disable_display, bool, 0400,
+ i915_param_named_unsafe(enable_cmd_parser, bool, 0400,
+ "Enable command parsing (true=enabled [default], false=disabled)");
-+module_param_named(enable_hd_vgaarb, i915.enable_hd_vgaarb, bool, 0444);
-+MODULE_PARM_DESC(enable_hd_vgaarb,
++i915_param_named(enable_hd_vgaarb, bool, 0444,
+ "Enable support for VGA arbitration on Intel HD IGD. (default: false)");
+
- module_param_named_unsafe(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)");
+ i915_param_named(mmio_debug, int, 0600,
+ "Enable the MMIO debug code for the first N failures (default: off). "
+ "This may negatively affect performance.");
diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
-index ac844709c97e..edb6633e417d 100644
+index c7292268ed43..75577d34b0c8 100644
--- a/drivers/gpu/drm/i915/i915_params.h
+++ b/drivers/gpu/drm/i915/i915_params.h
-@@ -64,6 +64,7 @@
- func(bool, force_reset_modeset_test); \
- func(bool, error_capture); \
- func(bool, disable_display); \
-+ func(bool, enable_hd_vgaarb); \
- func(bool, verbose_state_checks); \
- func(bool, nuclear_pageflip); \
- func(bool, enable_dp_mst); \
+@@ -56,6 +56,7 @@
+ /* leave bools at the end to not create holes */ \
+ param(bool, alpha_support, IS_ENABLED(CONFIG_DRM_I915_ALPHA_SUPPORT)) \
+ param(bool, enable_cmd_parser, true) \
++ param(bool, enable_hd_vgaarb, false) \
+ param(bool, enable_hangcheck, true) \
+ param(bool, fastboot, false) \
+ param(bool, prefault_disable, false) \
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
-index 5ebdb63330dd..f686661d4ac4 100644
+index 50f8443641b8..06aebb05f23c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
-@@ -14382,6 +14382,37 @@ static void i915_disable_vga(struct drm_i915_private *dev_priv)
+@@ -14379,6 +14379,36 @@ static void i915_disable_vga(struct drm_i915_private *dev_priv)
POSTING_READ(vga_reg);
}
@@ -131,13 +124,13 @@ index 5ebdb63330dd..f686661d4ac4 100644
+ struct pci_dev *pdev = dev_priv->drm.pdev;
+
+ /* Enable VGA memory on Intel HD */
-+ if (i915.enable_hd_vgaarb && HAS_PCH_SPLIT(dev_priv)) {
++ if (i915_modparams.enable_hd_vgaarb && HAS_PCH_SPLIT(dev_priv)) {
+ vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
+ outb(inb(VGA_MSR_READ) | VGA_MSR_MEM_EN, VGA_MSR_WRITE);
+ vga_set_legacy_decoding(pdev, VGA_RSRC_LEGACY_IO |
-+ VGA_RSRC_LEGACY_MEM |
-+ VGA_RSRC_NORMAL_IO |
-+ VGA_RSRC_NORMAL_MEM);
++ VGA_RSRC_LEGACY_MEM |
++ VGA_RSRC_NORMAL_IO |
++ VGA_RSRC_NORMAL_MEM);
+ vga_put(pdev, VGA_RSRC_LEGACY_IO);
+ }
+}
@@ -145,9 +138,8 @@ index 5ebdb63330dd..f686661d4ac4 100644
+void i915_disable_vga_mem(struct drm_i915_private *dev_priv)
+{
+ struct pci_dev *pdev = dev_priv->drm.pdev;
-+
+ /* Disable VGA memory on Intel HD */
-+ if (i915.enable_hd_vgaarb && HAS_PCH_SPLIT(dev_priv)) {
++ if (i915_modparams.enable_hd_vgaarb && HAS_PCH_SPLIT(dev_priv)) {
+ vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
+ outb(inb(VGA_MSR_READ) & ~VGA_MSR_MEM_EN, VGA_MSR_WRITE);
+ vga_set_legacy_decoding(pdev, VGA_RSRC_LEGACY_IO |
@@ -160,7 +152,7 @@ index 5ebdb63330dd..f686661d4ac4 100644
void intel_modeset_init_hw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
-@@ -14880,6 +14911,7 @@ void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv)
+@@ -14877,6 +14907,7 @@ void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv)
if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) {
DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n");
i915_disable_vga(dev_priv);
@@ -168,7 +160,7 @@ index 5ebdb63330dd..f686661d4ac4 100644
}
}
-@@ -15248,6 +15280,8 @@ void intel_modeset_cleanup(struct drm_device *dev)
+@@ -15252,6 +15283,8 @@ void intel_modeset_cleanup(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -178,10 +170,10 @@ index 5ebdb63330dd..f686661d4ac4 100644
WARN_ON(!llist_empty(&dev_priv->atomic_helper.free_list));
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
-index 79fbaf78f604..c0083032a053 100644
+index 5d77f75a9f9c..982fff761e9d 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
-@@ -1316,6 +1316,7 @@ int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv,
+@@ -1340,6 +1340,7 @@ int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv,
const char *name, u32 reg);
void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv);
void lpt_disable_iclkip(struct drm_i915_private *dev_priv);
@@ -190,5 +182,5 @@ index 79fbaf78f604..c0083032a053 100644
unsigned int intel_fb_xy_to_linear(int x, int y,
const struct intel_plane_state *state,
--
-2.15.1
+2.16.1