/*
* GPU helpers function.
*/
+
+/**
+ * radeon_device_is_virtual - check if we are running is a virtual environment
+ *
+ * Check if the asic has been passed through to a VM (all asics).
+ * Used at driver startup.
+ * Returns true if virtual or false if not.
+ */
+static bool radeon_device_is_virtual(void)
+{
+#ifdef CONFIG_X86
+ return boot_cpu_has(X86_FEATURE_HYPERVISOR);
+#else
+ return false;
+#endif
+}
+
/**
* radeon_card_posted - check if the hw has already been initialized
*
{
uint32_t reg;
+ /* for pass through, always force asic_init for CI */
+ if (rdev->family >= CHIP_BONAIRE &&
+ radeon_device_is_virtual())
+ return false;
+
/* required for EFI mode on macbook2,1 which uses an r5xx asic */
if (efi_enabled(EFI_BOOT) &&
(rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) &&
return (arg & (arg - 1)) == 0;
}
+/**
+ * Determine a sensible default GART size according to ASIC family.
+ *
+ * @family ASIC family name
+ */
+static int radeon_gart_size_auto(enum radeon_family family)
+{
+ /* default to a larger gart size on newer asics */
+ if (family >= CHIP_TAHITI)
+ return 2048;
+ else if (family >= CHIP_RV770)
+ return 1024;
+ else
+ return 512;
+}
+
/**
* radeon_check_arguments - validate module params
*
}
if (radeon_gart_size == -1) {
- /* default to a larger gart size on newer asics */
- if (rdev->family >= CHIP_RV770)
- radeon_gart_size = 1024;
- else
- radeon_gart_size = 512;
+ radeon_gart_size = radeon_gart_size_auto(rdev->family);
}
/* gtt size must be power of two and greater or equal to 32M */
if (radeon_gart_size < 32) {
dev_warn(rdev->dev, "gart size (%d) too small\n",
radeon_gart_size);
- if (rdev->family >= CHIP_RV770)
- radeon_gart_size = 1024;
- else
- radeon_gart_size = 512;
+ radeon_gart_size = radeon_gart_size_auto(rdev->family);
} else if (!radeon_check_pot_argument(radeon_gart_size)) {
dev_warn(rdev->dev, "gart size (%d) must be a power of 2\n",
radeon_gart_size);
- if (rdev->family >= CHIP_RV770)
- radeon_gart_size = 1024;
- else
- radeon_gart_size = 512;
+ radeon_gart_size = radeon_gart_size_auto(rdev->family);
}
rdev->mc.gtt_size = (uint64_t)radeon_gart_size << 20;
* radeon_switcheroo_set_state - set switcheroo state
*
* @pdev: pci dev pointer
- * @state: vga switcheroo state
+ * @state: vga_switcheroo state
*
* Callback for the switcheroo driver. Suspends or resumes the
* the asics before or after it is powered up using ACPI methods.
drm_kms_helper_poll_disable(dev);
+ drm_modeset_lock_all(dev);
/* turn off display hw */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
}
+ drm_modeset_unlock_all(dev);
- /* unpin the front buffers */
+ /* unpin the front buffers and cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->primary->fb);
struct radeon_bo *robj;
+ if (radeon_crtc->cursor_bo) {
+ struct radeon_bo *robj = gem_to_radeon_bo(radeon_crtc->cursor_bo);
+ r = radeon_bo_reserve(robj, false);
+ if (r == 0) {
+ radeon_bo_unpin(robj);
+ radeon_bo_unreserve(robj);
+ }
+ }
+
if (rfb == NULL || rfb->obj == NULL) {
continue;
}
{
struct drm_connector *connector;
struct radeon_device *rdev = dev->dev_private;
+ struct drm_crtc *crtc;
int r;
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
radeon_restore_bios_scratch_regs(rdev);
+ /* pin cursors */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+
+ if (radeon_crtc->cursor_bo) {
+ struct radeon_bo *robj = gem_to_radeon_bo(radeon_crtc->cursor_bo);
+ r = radeon_bo_reserve(robj, false);
+ if (r == 0) {
+ /* Only 27 bit offset for legacy cursor */
+ r = radeon_bo_pin_restricted(robj,
+ RADEON_GEM_DOMAIN_VRAM,
+ ASIC_IS_AVIVO(rdev) ?
+ 0 : 1 << 27,
+ &radeon_crtc->cursor_addr);
+ if (r != 0)
+ DRM_ERROR("Failed to pin cursor BO (%d)\n", r);
+ radeon_bo_unreserve(robj);
+ }
+ }
+ }
+
/* init dig PHYs, disp eng pll */
if (rdev->is_atom_bios) {
radeon_atom_encoder_init(rdev);
if (fbcon) {
drm_helper_resume_force_mode(dev);
/* turn on display hw */
+ drm_modeset_lock_all(dev);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
+ drm_modeset_unlock_all(dev);
}
drm_kms_helper_poll_enable(dev);
return 0;
}
+ atomic_inc(&rdev->gpu_reset_counter);
+
radeon_save_bios_scratch_regs(rdev);
/* block TTM */
resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);