Merge branch 'drm-fbdev-cleanup' into drm-core-next

[karo-tx-linux.git] / drivers / gpu / drm / radeon / radeon_device.c

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 90e8883494ada1c7ad751727400857fe1cd71067..26217ffe0355d0a8afe864a1be4d2ec2b96531f0 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -26,6 +26,7 @@
  *          Jerome Glisse
  */
 #include <linux/console.h>
+#include <linux/slab.h>
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/radeon_drm.h>
@@ -35,6 +36,54 @@
 #include "radeon.h"
 #include "atom.h"
 
+static const char radeon_family_name[][16] = {
+       "R100",
+       "RV100",
+       "RS100",
+       "RV200",
+       "RS200",
+       "R200",
+       "RV250",
+       "RS300",
+       "RV280",
+       "R300",
+       "R350",
+       "RV350",
+       "RV380",
+       "R420",
+       "R423",
+       "RV410",
+       "RS400",
+       "RS480",
+       "RS600",
+       "RS690",
+       "RS740",
+       "RV515",
+       "R520",
+       "RV530",
+       "RV560",
+       "RV570",
+       "R580",
+       "R600",
+       "RV610",
+       "RV630",
+       "RV670",
+       "RV620",
+       "RV635",
+       "RS780",
+       "RS880",
+       "RV770",
+       "RV730",
+       "RV710",
+       "RV740",
+       "CEDAR",
+       "REDWOOD",
+       "JUNIPER",
+       "CYPRESS",
+       "HEMLOCK",
+       "LAST",
+};
+
 /*
  * Clear GPU surface registers.
  */
@@ -525,7 +574,6 @@ int radeon_device_init(struct radeon_device *rdev,
        int r;
        int dma_bits;
 
-       DRM_INFO("radeon: Initializing kernel modesetting.\n");
        rdev->shutdown = false;
        rdev->dev = &pdev->dev;
        rdev->ddev = ddev;
@@ -537,6 +585,10 @@ int radeon_device_init(struct radeon_device *rdev,
        rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
        rdev->gpu_lockup = false;
        rdev->accel_working = false;
+
+       DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X).\n",
+               radeon_family_name[rdev->family], pdev->vendor, pdev->device);
+
        /* mutex initialization are all done here so we
         * can recall function without having locking issues */
        mutex_init(&rdev->cs_mutex);
@@ -619,7 +671,7 @@ int radeon_device_init(struct radeon_device *rdev,
                /* Acceleration not working on AGP card try again
                 * with fallback to PCI or PCIE GART
                 */
-               radeon_gpu_reset(rdev);
+               radeon_asic_reset(rdev);
                radeon_fini(rdev);
                radeon_agp_disable(rdev);
                r = radeon_init(rdev);
@@ -639,6 +691,8 @@ void radeon_device_fini(struct radeon_device *rdev)
 {
        DRM_INFO("radeon: finishing device.\n");
        rdev->shutdown = true;
+       /* evict vram memory */
+       radeon_bo_evict_vram(rdev);
        radeon_fini(rdev);
        destroy_workqueue(rdev->wq);
        vga_switcheroo_unregister_client(rdev->pdev);
@@ -738,6 +792,26 @@ int radeon_resume_kms(struct drm_device *dev)
        return 0;
 }
 
+int radeon_gpu_reset(struct radeon_device *rdev)
+{
+       int r;
+
+       radeon_save_bios_scratch_regs(rdev);
+       radeon_suspend(rdev);
+
+       r = radeon_asic_reset(rdev);
+       if (!r) {
+               dev_info(rdev->dev, "GPU reset succeed\n");
+               radeon_resume(rdev);
+               radeon_restore_bios_scratch_regs(rdev);
+               drm_helper_resume_force_mode(rdev->ddev);
+               return 0;
+       }
+       /* bad news, how to tell it to userspace ? */
+       dev_info(rdev->dev, "GPU reset failed\n");
+       return r;
+}
+
 
 /*
  * Debugfs