diff options
Diffstat (limited to 'i915-vga-arbiter.patch')
-rw-r--r-- | i915-vga-arbiter.patch | 121 |
1 files changed, 61 insertions, 60 deletions
diff --git a/i915-vga-arbiter.patch b/i915-vga-arbiter.patch index 455f3a98c329..69134af9af17 100644 --- a/i915-vga-arbiter.patch +++ b/i915-vga-arbiter.patch @@ -35,22 +35,29 @@ 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. --- - drivers/gpu/drm/i915/display/intel_display.c | 33 ++++++++++++++++++++ - drivers/gpu/drm/i915/i915_drv.c | 23 +++++++++++--- - drivers/gpu/drm/i915/i915_params.c | 3 ++ - drivers/gpu/drm/i915/i915_params.h | 1 + - drivers/gpu/drm/i915/intel_drv.h | 1 + - 5 files changed, 57 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c -index 592b92782fab..cafd1396bfcf 100644 +index b670239a293b..edb11715de56 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c -@@ -15751,6 +15751,36 @@ static void i915_disable_vga(struct drm_i915_private *dev_priv) - POSTING_READ(vga_reg); +@@ -17719,6 +17719,7 @@ static void intel_hpd_poll_fini(struct drm_i915_private *i915) + + void intel_modeset_driver_remove(struct drm_i915_private *i915) + { ++ intel_vga_enable_mem(i915); + flush_workqueue(i915->flip_wq); + flush_workqueue(i915->modeset_wq); + +diff --git a/drivers/gpu/drm/i915/display/intel_vga.c b/drivers/gpu/drm/i915/display/intel_vga.c +index 2ff7293986d4..6591d88d9563 100644 +--- a/drivers/gpu/drm/i915/display/intel_vga.c ++++ b/drivers/gpu/drm/i915/display/intel_vga.c +@@ -40,6 +40,37 @@ void intel_vga_disable(struct drm_i915_private *dev_priv) + POSTING_READ(vga_reg); } -+static void i915_enable_vga_mem(struct drm_i915_private *dev_priv) ++ ++void intel_vga_enable_mem(struct drm_i915_private *dev_priv) +{ + struct pci_dev *pdev = dev_priv->drm.pdev; + @@ -66,7 +73,7 @@ index 592b92782fab..cafd1396bfcf 100644 + } +} + -+void i915_disable_vga_mem(struct drm_i915_private *dev_priv) ++void intel_vga_disable_mem(struct drm_i915_private *dev_priv) +{ + struct pci_dev *pdev = dev_priv->drm.pdev; + /* Disable VGA memory on Intel HD */ @@ -80,56 +87,50 @@ index 592b92782fab..cafd1396bfcf 100644 + } +} + - void intel_modeset_init_hw(struct drm_device *dev) + void intel_vga_redisable_power_on(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); -@@ -16395,6 +16425,7 @@ void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv) + i915_reg_t vga_reg = intel_vga_cntrl_reg(dev_priv); +@@ -47,6 +78,7 @@ void intel_vga_redisable_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); -+ i915_disable_vga_mem(dev_priv); + intel_vga_disable(dev_priv); ++ intel_vga_disable_mem(dev_priv); } } -@@ -16870,6 +16901,8 @@ void intel_modeset_cleanup(struct drm_device *dev) - { - struct drm_i915_private *dev_priv = to_i915(dev); +diff --git a/drivers/gpu/drm/i915/display/intel_vga.h b/drivers/gpu/drm/i915/display/intel_vga.h +index ba5b55b917f0..198887f4e78f 100644 +--- a/drivers/gpu/drm/i915/display/intel_vga.h ++++ b/drivers/gpu/drm/i915/display/intel_vga.h +@@ -15,4 +15,8 @@ void intel_vga_redisable_power_on(struct drm_i915_private *i915); + int intel_vga_register(struct drm_i915_private *i915); + void intel_vga_unregister(struct drm_i915_private *i915); -+ i915_enable_vga_mem(dev_priv); ++/* i915 vga arb patch */ ++void intel_vga_enable_mem(struct drm_i915_private *i915); ++void intel_vga_disable_mem(struct drm_i915_private *i915); + - flush_workqueue(dev_priv->modeset_wq); - - flush_work(&dev_priv->atomic_helper.free_work); + #endif /* __INTEL_VGA_H__ */ diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c -index bac1ee94f63f..5b10c950b70d 100644 +index 3c512c571e60..742e138e894f 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c -@@ -697,11 +697,20 @@ 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 -+ * register. Nonetheless, we like to pretend that we participate in -+ * VGA arbitration and can dynamically disable VGA I/O space because -+ * this makes X happy, even though it's a complete lie. - */ -- ret = vga_client_register(pdev, dev_priv, NULL, i915_vga_set_decode); -- if (ret && ret != -ENODEV) +@@ -287,9 +287,11 @@ static int i915_driver_modeset_probe(struct drm_i915_private *i915) + + intel_bios_init(i915); + +- ret = intel_vga_register(i915); +- if (ret) - goto out; -- -+ 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) ++ if (!i915_modparams.enable_hd_vgaarb || !HAS_PCH_SPLIT(i915)) { ++ ret = intel_vga_register(i915); ++ if (ret) + goto out; + } + intel_register_dsm_handler(); - ret = vga_switcheroo_register_client(pdev, &i915_switcheroo_ops, false); -@@ -740,6 +749,12 @@ static int i915_load_modeset_init(struct drm_device *dev) +@@ -324,6 +326,12 @@ static int i915_driver_modeset_probe(struct drm_i915_private *i915) if (ret) goto cleanup_gem; @@ -137,16 +138,16 @@ index bac1ee94f63f..5b10c950b70d 100644 + * Must do this after fbcon init so that + * vgacon_save_screen() works during the handover. + */ -+ i915_disable_vga_mem(dev_priv); ++ intel_vga_disable_mem(i915); + /* Only enable hotplug handling once the fbdev is fully set up. */ - intel_hpd_init(dev_priv); + intel_hpd_init(i915); diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c -index 5b07766a1c26..fb63f4c863db 100644 +index 1dd1f3652795..cc9490a46c0e 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c -@@ -127,6 +127,9 @@ i915_param_named_unsafe(invert_brightness, int, 0600, +@@ -128,6 +128,9 @@ i915_param_named_unsafe(invert_brightness, int, 0600, i915_param_named(disable_display, bool, 0400, "Disable display (default: false)"); @@ -157,29 +158,29 @@ index 5b07766a1c26..fb63f4c863db 100644 "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 a4770ce46bd2..8f836ff6e2e8 100644 +index 31b88f297fbc..1d7c69da54d8 100644 --- a/drivers/gpu/drm/i915/i915_params.h +++ b/drivers/gpu/drm/i915/i915_params.h -@@ -67,6 +67,7 @@ struct drm_printer; - param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE) \ +@@ -69,6 +69,7 @@ struct drm_printer; + param(unsigned long, fake_lmem_start, 0) \ /* leave bools at the end to not create holes */ \ param(bool, alpha_support, IS_ENABLED(CONFIG_DRM_I915_ALPHA_SUPPORT)) \ + param(bool, enable_hd_vgaarb, false) \ param(bool, enable_hangcheck, true) \ param(bool, prefault_disable, false) \ param(bool, load_detect_test, false) \ -diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h -index f11979879e7b..06cefd0218a5 100644 ---- a/drivers/gpu/drm/i915/intel_drv.h -+++ b/drivers/gpu/drm/i915/intel_drv.h -@@ -1457,6 +1457,7 @@ int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, +diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h +index f417e0948001..6e865b86db09 100644 +--- a/drivers/gpu/drm/i915/display/intel_display.h ++++ b/drivers/gpu/drm/i915/display/intel_display.h +@@ -477,6 +477,7 @@ 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); -+extern void i915_disable_vga_mem(struct drm_i915_private *dev_priv); ++extern void intel_vga_disable_mem(struct drm_i915_private *dev_priv); void intel_init_display_hooks(struct drm_i915_private *dev_priv); unsigned int intel_fb_xy_to_linear(int x, int y, const struct intel_plane_state *state, --- -2.23.0 +-- +2.24.0 |