diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 97 |
1 files changed, 3 insertions, 94 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index f1328c08f4ad..d99c59e97568 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -31,7 +31,6 @@ #include <linux/module.h> #include <linux/dma-resv.h> #include <linux/slab.h> -#include <linux/vgaarb.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> @@ -79,6 +78,7 @@ #include "intel_sideband.h" #include "intel_sprite.h" #include "intel_tc.h" +#include "intel_vga.h" /* Primary plane formats for gen <= 3 */ static const u32 i8xx_primary_formats[] = { @@ -4241,7 +4241,7 @@ __intel_display_resume(struct drm_device *dev, int i, ret; intel_modeset_setup_hw_state(dev, ctx); - i915_redisable_vga(to_i915(dev)); + intel_vga_redisable(to_i915(dev)); if (!state) return 0; @@ -15994,35 +15994,6 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv) } -static i915_reg_t i915_vgacntrl_reg(struct drm_i915_private *dev_priv) -{ - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - return VLV_VGACNTRL; - else if (INTEL_GEN(dev_priv) >= 5) - return CPU_VGACNTRL; - else - return VGACNTRL; -} - -/* Disable the VGA plane that we never use */ -static void i915_disable_vga(struct drm_i915_private *dev_priv) -{ - struct pci_dev *pdev = dev_priv->drm.pdev; - u8 sr1; - i915_reg_t vga_reg = i915_vgacntrl_reg(dev_priv); - - /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ - vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO); - outb(SR01, VGA_SR_INDEX); - sr1 = inb(VGA_SR_DATA); - outb(sr1 | 1<<5, VGA_SR_DATA); - vga_put(pdev, VGA_RSRC_LEGACY_IO); - udelay(300); - - I915_WRITE(vga_reg, VGA_DISP_DISABLE); - POSTING_READ(vga_reg); -} - void intel_modeset_init_hw(struct drm_i915_private *i915) { intel_update_cdclk(i915); @@ -16288,7 +16259,7 @@ int intel_modeset_init(struct drm_i915_private *i915) intel_update_max_cdclk(i915); /* Just disable it once at startup */ - i915_disable_vga(i915); + intel_vga_disable(i915); intel_setup_outputs(i915); drm_modeset_lock_all(dev); @@ -16647,39 +16618,6 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder) icl_sanitize_encoder_pll_mapping(encoder); } -void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv) -{ - i915_reg_t vga_reg = i915_vgacntrl_reg(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); - } -} - -void i915_redisable_vga(struct drm_i915_private *dev_priv) -{ - intel_wakeref_t wakeref; - - /* - * This function can be called both from intel_modeset_setup_hw_state or - * at a very early point in our resume sequence, where the power well - * structures are not yet restored. Since this function is at a very - * paranoid "someone might have enabled VGA while we were not looking" - * level, just check if the power well is enabled instead of trying to - * follow the "don't touch the power well if we don't need it" policy - * the rest of the driver uses. - */ - wakeref = intel_display_power_get_if_enabled(dev_priv, - POWER_DOMAIN_VGA); - if (!wakeref) - return; - - i915_redisable_vga_power_on(dev_priv); - - intel_display_power_put(dev_priv, POWER_DOMAIN_VGA, wakeref); -} - /* FIXME read out full plane state for all planes */ static void readout_plane_state(struct drm_i915_private *dev_priv) { @@ -17188,35 +17126,6 @@ void intel_modeset_driver_remove(struct drm_i915_private *i915) intel_fbc_cleanup_cfb(i915); } -/* - * set vga decode state - true == enable VGA decode - */ -int intel_modeset_vga_set_state(struct drm_i915_private *dev_priv, bool state) -{ - unsigned reg = INTEL_GEN(dev_priv) >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; - u16 gmch_ctrl; - - if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { - DRM_ERROR("failed to read control word\n"); - return -EIO; - } - - if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) - return 0; - - if (state) - gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; - else - gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; - - if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { - DRM_ERROR("failed to write control word\n"); - return -EIO; - } - - return 0; -} - #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) struct intel_display_error_state { |