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drm/i915/vga: Convert VGA code to intel_display

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struct intel_display will replace struct drm_i915_private as
the main thing for display code. Convert the VGA code to
use it (as much as possible at this stage).

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240906143306.15937-5-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Ville Syrjälä 2024-09-06 17:33:04 +03:00
parent 08648ad9b7
commit 4b6e05c43b
5 changed files with 43 additions and 36 deletions
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11
drivers/gpu/drm/i915/display/intel_display_driver.c
View File

@ -221,7 +221,7 @@ int intel_display_driver_probe_noirq(struct drm_i915_private *i915)
intel_bios_init(display);
ret = intel_vga_register(i915);
ret = intel_vga_register(display);
if (ret)
goto cleanup_bios;
@ -275,7 +275,7 @@ cleanup_vga_client_pw_domain_dmc:
intel_dmc_fini(i915);
intel_power_domains_driver_remove(i915);
cleanup_vga:
intel_vga_unregister(i915);
intel_vga_unregister(display);
cleanup_bios:
intel_bios_driver_remove(display);
@ -458,7 +458,7 @@ int intel_display_driver_probe_nogem(struct drm_i915_private *i915)
intel_hti_init(display);
/* Just disable it once at startup */
intel_vga_disable(i915);
intel_vga_disable(display);
intel_setup_outputs(i915);
ret = intel_dp_tunnel_mgr_init(display);
@ -625,7 +625,7 @@ void intel_display_driver_remove_nogem(struct drm_i915_private *i915)
intel_power_domains_driver_remove(i915);
intel_vga_unregister(i915);
intel_vga_unregister(display);
intel_bios_driver_remove(display);
}
@ -683,12 +683,13 @@ __intel_display_driver_resume(struct drm_i915_private *i915,
struct drm_atomic_state *state,
struct drm_modeset_acquire_ctx *ctx)
{
struct intel_display *display = &i915->display;
struct drm_crtc_state *crtc_state;
struct drm_crtc *crtc;
int ret, i;
intel_modeset_setup_hw_state(i915, ctx);
intel_vga_redisable(i915);
intel_vga_redisable(display);
if (!state)
return 0;

6
drivers/gpu/drm/i915/display/intel_display_power_well.c
View File

@ -187,8 +187,10 @@ int intel_power_well_refcount(struct i915_power_well *power_well)
static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv,
u8 irq_pipe_mask, bool has_vga)
{
struct intel_display *display = &dev_priv->display;
if (has_vga)
intel_vga_reset_io_mem(dev_priv);
intel_vga_reset_io_mem(display);
if (irq_pipe_mask)
gen8_irq_power_well_post_enable(dev_priv, irq_pipe_mask);
@ -1248,7 +1250,7 @@ static void vlv_display_power_well_init(struct drm_i915_private *dev_priv)
intel_crt_reset(&encoder->base);
}
intel_vga_redisable_power_on(dev_priv);
intel_vga_redisable_power_on(display);
intel_pps_unlock_regs_wa(display);
}

45
drivers/gpu/drm/i915/display/intel_vga.c
View File

@ -14,24 +14,26 @@
#include "intel_de.h"
#include "intel_vga.h"
static i915_reg_t intel_vga_cntrl_reg(struct drm_i915_private *i915)
static i915_reg_t intel_vga_cntrl_reg(struct intel_display *display)
{
struct drm_i915_private *i915 = to_i915(display->drm);
if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915))
return VLV_VGACNTRL;
else if (DISPLAY_VER(i915) >= 5)
else if (DISPLAY_VER(display) >= 5)
return CPU_VGACNTRL;
else
return VGACNTRL;
}
/* Disable the VGA plane that we never use */
void intel_vga_disable(struct drm_i915_private *dev_priv)
void intel_vga_disable(struct intel_display *display)
{
struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
i915_reg_t vga_reg = intel_vga_cntrl_reg(dev_priv);
struct pci_dev *pdev = to_pci_dev(display->drm->dev);
i915_reg_t vga_reg = intel_vga_cntrl_reg(display);
u8 sr1;
if (intel_de_read(dev_priv, vga_reg) & VGA_DISP_DISABLE)
if (intel_de_read(display, vga_reg) & VGA_DISP_DISABLE)
return;
/* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */
@ -42,23 +44,24 @@ void intel_vga_disable(struct drm_i915_private *dev_priv)
vga_put(pdev, VGA_RSRC_LEGACY_IO);
udelay(300);
intel_de_write(dev_priv, vga_reg, VGA_DISP_DISABLE);
intel_de_posting_read(dev_priv, vga_reg);
intel_de_write(display, vga_reg, VGA_DISP_DISABLE);
intel_de_posting_read(display, vga_reg);
}
void intel_vga_redisable_power_on(struct drm_i915_private *dev_priv)
void intel_vga_redisable_power_on(struct intel_display *display)
{
i915_reg_t vga_reg = intel_vga_cntrl_reg(dev_priv);
i915_reg_t vga_reg = intel_vga_cntrl_reg(display);
if (!(intel_de_read(dev_priv, vga_reg) & VGA_DISP_DISABLE)) {
drm_dbg_kms(&dev_priv->drm,
if (!(intel_de_read(display, vga_reg) & VGA_DISP_DISABLE)) {
drm_dbg_kms(display->drm,
"Something enabled VGA plane, disabling it\n");
intel_vga_disable(dev_priv);
intel_vga_disable(display);
}
}
void intel_vga_redisable(struct drm_i915_private *i915)
void intel_vga_redisable(struct intel_display *display)
{
struct drm_i915_private *i915 = to_i915(display->drm);
intel_wakeref_t wakeref;
/*
@ -74,14 +77,14 @@ void intel_vga_redisable(struct drm_i915_private *i915)
if (!wakeref)
return;
intel_vga_redisable_power_on(i915);
intel_vga_redisable_power_on(display);
intel_display_power_put(i915, POWER_DOMAIN_VGA, wakeref);
}
void intel_vga_reset_io_mem(struct drm_i915_private *i915)
void intel_vga_reset_io_mem(struct intel_display *display)
{
struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
struct pci_dev *pdev = to_pci_dev(display->drm->dev);
/*
* After we re-enable the power well, if we touch VGA register 0x3d5
@ -98,10 +101,10 @@ void intel_vga_reset_io_mem(struct drm_i915_private *i915)
vga_put(pdev, VGA_RSRC_LEGACY_IO);
}
int intel_vga_register(struct drm_i915_private *i915)
int intel_vga_register(struct intel_display *display)
{
struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
struct pci_dev *pdev = to_pci_dev(display->drm->dev);
int ret;
/*
@ -119,9 +122,9 @@ int intel_vga_register(struct drm_i915_private *i915)
return 0;
}
void intel_vga_unregister(struct drm_i915_private *i915)
void intel_vga_unregister(struct intel_display *display)
{
struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
struct pci_dev *pdev = to_pci_dev(display->drm->dev);
vga_client_unregister(pdev);
}

14
drivers/gpu/drm/i915/display/intel_vga.h
View File

@ -6,13 +6,13 @@
#ifndef __INTEL_VGA_H__
#define __INTEL_VGA_H__
struct drm_i915_private;
struct intel_display;
void intel_vga_reset_io_mem(struct drm_i915_private *i915);
void intel_vga_disable(struct drm_i915_private *i915);
void intel_vga_redisable(struct drm_i915_private *i915);
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);
void intel_vga_reset_io_mem(struct intel_display *display);
void intel_vga_disable(struct intel_display *display);
void intel_vga_redisable(struct intel_display *display);
void intel_vga_redisable_power_on(struct intel_display *display);
int intel_vga_register(struct intel_display *display);
void intel_vga_unregister(struct intel_display *display);
#endif /* __INTEL_VGA_H__ */

3
drivers/gpu/drm/i915/i915_suspend.c
View File

@ -118,6 +118,7 @@ void i915_save_display(struct drm_i915_private *dev_priv)
void i915_restore_display(struct drm_i915_private *dev_priv)
{
struct intel_display *display = &dev_priv->display;
struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
if (!HAS_DISPLAY(dev_priv))
@ -134,7 +135,7 @@ void i915_restore_display(struct drm_i915_private *dev_priv)
intel_de_write(dev_priv, DSPARB(dev_priv),
dev_priv->regfile.saveDSPARB);
intel_vga_redisable(dev_priv);
intel_vga_redisable(display);
intel_gmbus_reset(dev_priv);
}