drm/i915: move more display related probe to intel_modeset_init_noirq()

With the intel_modeset_* probe functions clarified, we can continue with
moving more related calls to the right layer:

- drm_vblank_init()
- intel_bios_init()
- intel_vga_register()
- intel_csr_ucode_init()

Unfortunately, for the time being, we also need to move a call to the
*wrong* layer: the power domain init.

No functional changes.

v2: move probe failure while at it, power domain init

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/da229ffbed64983f002605074533c8b2878d17ee.1599056955.git.jani.nikula@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index c338599..459267b 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -67,6 +67,7 @@
 #include "intel_bw.h"
 #include "intel_cdclk.h"
 #include "intel_color.h"
+#include "intel_csr.h"
 #include "intel_display_types.h"
 #include "intel_dp_link_training.h"
 #include "intel_fbc.h"
@@ -17878,6 +17879,27 @@ int intel_modeset_init_noirq(struct drm_i915_private *i915)
 {
        int ret;
 
+       if (i915_inject_probe_failure(i915))
+               return -ENODEV;
+
+       if (HAS_DISPLAY(i915) && INTEL_DISPLAY_ENABLED(i915)) {
+               ret = drm_vblank_init(&i915->drm,
+                                     INTEL_NUM_PIPES(i915));
+               if (ret)
+                       return ret;
+       }
+
+       intel_bios_init(i915);
+
+       ret = intel_vga_register(i915);
+       if (ret)
+               goto cleanup_bios;
+
+       /* FIXME: completely on the wrong abstraction layer */
+       intel_power_domains_init_hw(i915, false);
+
+       intel_csr_ucode_init(i915);
+
        i915->modeset_wq = alloc_ordered_workqueue("i915_modeset", 0);
        i915->flip_wq = alloc_workqueue("i915_flip", WQ_HIGHPRI |
                                        WQ_UNBOUND, WQ_UNBOUND_MAX_ACTIVE);
@@ -17886,15 +17908,15 @@ int intel_modeset_init_noirq(struct drm_i915_private *i915)
 
        ret = intel_cdclk_init(i915);
        if (ret)
-               return ret;
+               goto cleanup_vga_client_pw_domain_csr;
 
        ret = intel_dbuf_init(i915);
        if (ret)
-               return ret;
+               goto cleanup_vga_client_pw_domain_csr;
 
        ret = intel_bw_init(i915);
        if (ret)
-               return ret;
+               goto cleanup_vga_client_pw_domain_csr;
 
        init_llist_head(&i915->atomic_helper.free_list);
        INIT_WORK(&i915->atomic_helper.free_work,
@@ -17905,6 +17927,15 @@ int intel_modeset_init_noirq(struct drm_i915_private *i915)
        intel_fbc_init(i915);
 
        return 0;
+
+cleanup_vga_client_pw_domain_csr:
+       intel_csr_ucode_fini(i915);
+       intel_power_domains_driver_remove(i915);
+       intel_vga_unregister(i915);
+cleanup_bios:
+       intel_bios_driver_remove(i915);
+
+       return ret;
 }
 
 /* part #2: call after irq install, but before gem init */

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index db301d7..3737e1f 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -218,41 +218,7 @@ intel_teardown_mchbar(struct drm_i915_private *dev_priv)
 /* part #1: call before irq install */
 static int i915_driver_modeset_probe_noirq(struct drm_i915_private *i915)
 {
-       int ret;
-
-       if (i915_inject_probe_failure(i915))
-               return -ENODEV;
-
-       if (HAS_DISPLAY(i915) && INTEL_DISPLAY_ENABLED(i915)) {
-               ret = drm_vblank_init(&i915->drm,
-                                     INTEL_NUM_PIPES(i915));
-               if (ret)
-                       return ret;
-       }
-
-       intel_bios_init(i915);
-
-       ret = intel_vga_register(i915);
-       if (ret)
-               goto cleanup_bios;
-
-       intel_power_domains_init_hw(i915, false);
-
-       intel_csr_ucode_init(i915);
-
-       ret = intel_modeset_init_noirq(i915);
-       if (ret)
-               goto cleanup_vga_client_pw_domain_csr;
-
-       return 0;
-
-cleanup_vga_client_pw_domain_csr:
-       intel_csr_ucode_fini(i915);
-       intel_power_domains_driver_remove(i915);
-       intel_vga_unregister(i915);
-cleanup_bios:
-       intel_bios_driver_remove(i915);
-       return ret;
+       return intel_modeset_init_noirq(i915);
 }
 
 /* part #2: call after irq install */