These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / radeon / r600.c
index 8f6d862..cc2fdf0 100644 (file)
@@ -108,6 +108,53 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev);
 extern int evergreen_rlc_resume(struct radeon_device *rdev);
 extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
 
+/*
+ * Indirect registers accessor
+ */
+u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
+{
+       unsigned long flags;
+       u32 r;
+
+       spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
+       WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
+       r = RREG32(R600_RCU_DATA);
+       spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
+       return r;
+}
+
+void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
+       WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
+       WREG32(R600_RCU_DATA, (v));
+       spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
+}
+
+u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
+{
+       unsigned long flags;
+       u32 r;
+
+       spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
+       WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
+       r = RREG32(R600_UVD_CTX_DATA);
+       spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
+       return r;
+}
+
+void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
+       WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
+       WREG32(R600_UVD_CTX_DATA, (v));
+       spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
+}
+
 /**
  * r600_get_allowed_info_register - fetch the register for the info ioctl
  *
@@ -4039,23 +4086,27 @@ restart_ih:
                case 1: /* D1 vblank/vline */
                        switch (src_data) {
                        case 0: /* D1 vblank */
-                               if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
-                                       if (rdev->irq.crtc_vblank_int[0]) {
-                                               drm_handle_vblank(rdev->ddev, 0);
-                                               rdev->pm.vblank_sync = true;
-                                               wake_up(&rdev->irq.vblank_queue);
-                                       }
-                                       if (atomic_read(&rdev->irq.pflip[0]))
-                                               radeon_crtc_handle_vblank(rdev, 0);
-                                       rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
-                                       DRM_DEBUG("IH: D1 vblank\n");
+                               if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT))
+                                       DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n");
+
+                               if (rdev->irq.crtc_vblank_int[0]) {
+                                       drm_handle_vblank(rdev->ddev, 0);
+                                       rdev->pm.vblank_sync = true;
+                                       wake_up(&rdev->irq.vblank_queue);
                                }
+                               if (atomic_read(&rdev->irq.pflip[0]))
+                                       radeon_crtc_handle_vblank(rdev, 0);
+                               rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
+                               DRM_DEBUG("IH: D1 vblank\n");
+
                                break;
                        case 1: /* D1 vline */
-                               if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
-                                       rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
-                                       DRM_DEBUG("IH: D1 vline\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT))
+                                   DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
+                               DRM_DEBUG("IH: D1 vline\n");
+
                                break;
                        default:
                                DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
@@ -4065,23 +4116,27 @@ restart_ih:
                case 5: /* D2 vblank/vline */
                        switch (src_data) {
                        case 0: /* D2 vblank */
-                               if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
-                                       if (rdev->irq.crtc_vblank_int[1]) {
-                                               drm_handle_vblank(rdev->ddev, 1);
-                                               rdev->pm.vblank_sync = true;
-                                               wake_up(&rdev->irq.vblank_queue);
-                                       }
-                                       if (atomic_read(&rdev->irq.pflip[1]))
-                                               radeon_crtc_handle_vblank(rdev, 1);
-                                       rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
-                                       DRM_DEBUG("IH: D2 vblank\n");
+                               if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT))
+                                       DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n");
+
+                               if (rdev->irq.crtc_vblank_int[1]) {
+                                       drm_handle_vblank(rdev->ddev, 1);
+                                       rdev->pm.vblank_sync = true;
+                                       wake_up(&rdev->irq.vblank_queue);
                                }
+                               if (atomic_read(&rdev->irq.pflip[1]))
+                                       radeon_crtc_handle_vblank(rdev, 1);
+                               rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
+                               DRM_DEBUG("IH: D2 vblank\n");
+
                                break;
                        case 1: /* D1 vline */
-                               if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
-                                       rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
-                                       DRM_DEBUG("IH: D2 vline\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT))
+                                       DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
+                               DRM_DEBUG("IH: D2 vline\n");
+
                                break;
                        default:
                                DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
@@ -4101,46 +4156,53 @@ restart_ih:
                case 19: /* HPD/DAC hotplug */
                        switch (src_data) {
                        case 0:
-                               if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
-                                       rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
-                                       queue_hotplug = true;
-                                       DRM_DEBUG("IH: HPD1\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT))
+                                       DRM_DEBUG("IH: HPD1 - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
+                               queue_hotplug = true;
+                               DRM_DEBUG("IH: HPD1\n");
                                break;
                        case 1:
-                               if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
-                                       rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
-                                       queue_hotplug = true;
-                                       DRM_DEBUG("IH: HPD2\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT))
+                                       DRM_DEBUG("IH: HPD2 - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
+                               queue_hotplug = true;
+                               DRM_DEBUG("IH: HPD2\n");
                                break;
                        case 4:
-                               if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
-                                       rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
-                                       queue_hotplug = true;
-                                       DRM_DEBUG("IH: HPD3\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT))
+                                       DRM_DEBUG("IH: HPD3 - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
+                               queue_hotplug = true;
+                               DRM_DEBUG("IH: HPD3\n");
                                break;
                        case 5:
-                               if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
-                                       rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
-                                       queue_hotplug = true;
-                                       DRM_DEBUG("IH: HPD4\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT))
+                                       DRM_DEBUG("IH: HPD4 - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
+                               queue_hotplug = true;
+                               DRM_DEBUG("IH: HPD4\n");
                                break;
                        case 10:
-                               if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
-                                       rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
-                                       queue_hotplug = true;
-                                       DRM_DEBUG("IH: HPD5\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT))
+                                       DRM_DEBUG("IH: HPD5 - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
+                               queue_hotplug = true;
+                               DRM_DEBUG("IH: HPD5\n");
                                break;
                        case 12:
-                               if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
-                                       rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
-                                       queue_hotplug = true;
-                                       DRM_DEBUG("IH: HPD6\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT))
+                                       DRM_DEBUG("IH: HPD6 - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
+                               queue_hotplug = true;
+                               DRM_DEBUG("IH: HPD6\n");
+
                                break;
                        default:
                                DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
@@ -4150,18 +4212,22 @@ restart_ih:
                case 21: /* hdmi */
                        switch (src_data) {
                        case 4:
-                               if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
-                                       rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
-                                       queue_hdmi = true;
-                                       DRM_DEBUG("IH: HDMI0\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG))
+                                       DRM_DEBUG("IH: HDMI0 - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
+                               queue_hdmi = true;
+                               DRM_DEBUG("IH: HDMI0\n");
+
                                break;
                        case 5:
-                               if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
-                                       rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
-                                       queue_hdmi = true;
-                                       DRM_DEBUG("IH: HDMI1\n");
-                               }
+                               if (!(rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG))
+                                       DRM_DEBUG("IH: HDMI1 - IH event w/o asserted irq bit?\n");
+
+                               rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
+                               queue_hdmi = true;
+                               DRM_DEBUG("IH: HDMI1\n");
+
                                break;
                        default:
                                DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
@@ -4210,7 +4276,7 @@ restart_ih:
                WREG32(IH_RB_RPTR, rptr);
        }
        if (queue_hotplug)
-               schedule_work(&rdev->hotplug_work);
+               schedule_delayed_work(&rdev->hotplug_work, 0);
        if (queue_hdmi)
                schedule_work(&rdev->audio_work);
        if (queue_thermal && rdev->pm.dpm_enabled)