drm/radeon/kms/pm: rework power management
[safe/jmp/linux-2.6] / drivers / gpu / drm / radeon / r420.c
index 97426a6..87c0e38 100644 (file)
  *          Jerome Glisse
  */
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 #include "drmP.h"
 #include "radeon_reg.h"
 #include "radeon.h"
+#include "radeon_asic.h"
+#include "atom.h"
+#include "r100d.h"
+#include "r420d.h"
+#include "r420_reg_safe.h"
 
-/* r420,r423,rv410 depends on : */
-void r100_pci_gart_disable(struct radeon_device *rdev);
-void r100_hdp_reset(struct radeon_device *rdev);
-void r100_mc_setup(struct radeon_device *rdev);
-int r100_gui_wait_for_idle(struct radeon_device *rdev);
-void r100_mc_disable_clients(struct radeon_device *rdev);
-void r300_vram_info(struct radeon_device *rdev);
-int r300_mc_wait_for_idle(struct radeon_device *rdev);
-int rv370_pcie_gart_enable(struct radeon_device *rdev);
-void rv370_pcie_gart_disable(struct radeon_device *rdev);
-
-/* This files gather functions specifics to :
- * r420,r423,rv410
- *
- * Some of these functions might be used by newer ASICs.
- */
-void r420_gpu_init(struct radeon_device *rdev);
-int r420_debugfs_pipes_info_init(struct radeon_device *rdev);
-
-
-/*
- * MC
- */
-int r420_mc_init(struct radeon_device *rdev)
-{
-       int r;
-
-       if (r100_debugfs_rbbm_init(rdev)) {
-               DRM_ERROR("Failed to register debugfs file for RBBM !\n");
-       }
-       if (r420_debugfs_pipes_info_init(rdev)) {
-               DRM_ERROR("Failed to register debugfs file for pipes !\n");
-       }
-
-       r420_gpu_init(rdev);
-       r100_pci_gart_disable(rdev);
-       if (rdev->flags & RADEON_IS_PCIE) {
-               rv370_pcie_gart_disable(rdev);
-       }
-
-       /* Setup GPU memory space */
-       rdev->mc.vram_location = 0xFFFFFFFFUL;
-       rdev->mc.gtt_location = 0xFFFFFFFFUL;
-       if (rdev->flags & RADEON_IS_AGP) {
-               r = radeon_agp_init(rdev);
-               if (r) {
-                       printk(KERN_WARNING "[drm] Disabling AGP\n");
-                       rdev->flags &= ~RADEON_IS_AGP;
-                       rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
-               } else {
-                       rdev->mc.gtt_location = rdev->mc.agp_base;
-               }
-       }
-       r = radeon_mc_setup(rdev);
-       if (r) {
-               return r;
-       }
-
-       /* Program GPU memory space */
-       r100_mc_disable_clients(rdev);
-       if (r300_mc_wait_for_idle(rdev)) {
-               printk(KERN_WARNING "Failed to wait MC idle while "
-                      "programming pipes. Bad things might happen.\n");
-       }
-       r100_mc_setup(rdev);
-       return 0;
-}
-
-void r420_mc_fini(struct radeon_device *rdev)
+void r420_pm_init_profile(struct radeon_device *rdev)
 {
-       rv370_pcie_gart_disable(rdev);
-       radeon_gart_table_vram_free(rdev);
-       radeon_gart_fini(rdev);
+       /* default */
+       rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+       rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+       rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+       rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+       /* low sh */
+       rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
+       rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
+       rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+       rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+       /* high sh */
+       rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
+       rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+       rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+       rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+       /* low mh */
+       rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
+       rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+       rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+       rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+       /* high mh */
+       rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
+       rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+       rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+       rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 }
 
-
-/*
- * Global GPU functions
- */
-void r420_errata(struct radeon_device *rdev)
+static void r420_set_reg_safe(struct radeon_device *rdev)
 {
-       rdev->pll_errata = 0;
+       rdev->config.r300.reg_safe_bm = r420_reg_safe_bm;
+       rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r420_reg_safe_bm);
 }
 
 void r420_pipes_init(struct radeon_device *rdev)
@@ -121,7 +78,13 @@ void r420_pipes_init(struct radeon_device *rdev)
        unsigned num_pipes;
 
        /* GA_ENHANCE workaround TCL deadlock issue */
-       WREG32(0x4274, (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3));
+       WREG32(R300_GA_ENHANCE, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL |
+              (1 << 2) | (1 << 3));
+       /* add idle wait as per freedesktop.org bug 24041 */
+       if (r100_gui_wait_for_idle(rdev)) {
+               printk(KERN_WARNING "Failed to wait GUI idle while "
+                      "programming pipes. Bad things might happen.\n");
+       }
        /* get max number of pipes */
        gb_pipe_select = RREG32(0x402C);
        num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
@@ -144,17 +107,17 @@ void r420_pipes_init(struct radeon_device *rdev)
                tmp = (7 << 1);
                break;
        }
-       WREG32(0x42C8, (1 << num_pipes) - 1);
+       WREG32(R500_SU_REG_DEST, (1 << num_pipes) - 1);
        /* Sub pixel 1/12 so we can have 4K rendering according to doc */
-       tmp |= (1 << 4) | (1 << 0);
-       WREG32(0x4018, tmp);
+       tmp |= R300_TILE_SIZE_16 | R300_ENABLE_TILING;
+       WREG32(R300_GB_TILE_CONFIG, tmp);
        if (r100_gui_wait_for_idle(rdev)) {
                printk(KERN_WARNING "Failed to wait GUI idle while "
                       "programming pipes. Bad things might happen.\n");
        }
 
-       tmp = RREG32(0x170C);
-       WREG32(0x170C, tmp | (1 << 31));
+       tmp = RREG32(R300_DST_PIPE_CONFIG);
+       WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 
        WREG32(R300_RB2D_DSTCACHE_MODE,
               RREG32(R300_RB2D_DSTCACHE_MODE) |
@@ -179,25 +142,276 @@ void r420_pipes_init(struct radeon_device *rdev)
                 rdev->num_gb_pipes, rdev->num_z_pipes);
 }
 
-void r420_gpu_init(struct radeon_device *rdev)
+u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg)
+{
+       u32 r;
+
+       WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg));
+       r = RREG32(R_0001FC_MC_IND_DATA);
+       return r;
+}
+
+void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
+{
+       WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg) |
+               S_0001F8_MC_IND_WR_EN(1));
+       WREG32(R_0001FC_MC_IND_DATA, v);
+}
+
+static void r420_debugfs(struct radeon_device *rdev)
+{
+       if (r100_debugfs_rbbm_init(rdev)) {
+               DRM_ERROR("Failed to register debugfs file for RBBM !\n");
+       }
+       if (r420_debugfs_pipes_info_init(rdev)) {
+               DRM_ERROR("Failed to register debugfs file for pipes !\n");
+       }
+}
+
+static void r420_clock_resume(struct radeon_device *rdev)
+{
+       u32 sclk_cntl;
+
+       if (radeon_dynclks != -1 && radeon_dynclks)
+               radeon_atom_set_clock_gating(rdev, 1);
+       sclk_cntl = RREG32_PLL(R_00000D_SCLK_CNTL);
+       sclk_cntl |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
+       if (rdev->family == CHIP_R420)
+               sclk_cntl |= S_00000D_FORCE_PX(1) | S_00000D_FORCE_TX(1);
+       WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl);
+}
+
+static void r420_cp_errata_init(struct radeon_device *rdev)
+{
+       /* RV410 and R420 can lock up if CP DMA to host memory happens
+        * while the 2D engine is busy.
+        *
+        * The proper workaround is to queue a RESYNC at the beginning
+        * of the CP init, apparently.
+        */
+       radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch);
+       radeon_ring_lock(rdev, 8);
+       radeon_ring_write(rdev, PACKET0(R300_CP_RESYNC_ADDR, 1));
+       radeon_ring_write(rdev, rdev->config.r300.resync_scratch);
+       radeon_ring_write(rdev, 0xDEADBEEF);
+       radeon_ring_unlock_commit(rdev);
+}
+
+static void r420_cp_errata_fini(struct radeon_device *rdev)
+{
+       /* Catch the RESYNC we dispatched all the way back,
+        * at the very beginning of the CP init.
+        */
+       radeon_ring_lock(rdev, 8);
+       radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
+       radeon_ring_write(rdev, R300_RB3D_DC_FINISH);
+       radeon_ring_unlock_commit(rdev);
+       radeon_scratch_free(rdev, rdev->config.r300.resync_scratch);
+}
+
+static int r420_startup(struct radeon_device *rdev)
 {
-       r100_hdp_reset(rdev);
+       int r;
+
+       /* set common regs */
+       r100_set_common_regs(rdev);
+       /* program mc */
+       r300_mc_program(rdev);
+       /* Resume clock */
+       r420_clock_resume(rdev);
+       /* Initialize GART (initialize after TTM so we can allocate
+        * memory through TTM but finalize after TTM) */
+       if (rdev->flags & RADEON_IS_PCIE) {
+               r = rv370_pcie_gart_enable(rdev);
+               if (r)
+                       return r;
+       }
+       if (rdev->flags & RADEON_IS_PCI) {
+               r = r100_pci_gart_enable(rdev);
+               if (r)
+                       return r;
+       }
        r420_pipes_init(rdev);
-       if (r300_mc_wait_for_idle(rdev)) {
-               printk(KERN_WARNING "Failed to wait MC idle while "
-                      "programming pipes. Bad things might happen.\n");
+       /* Enable IRQ */
+       r100_irq_set(rdev);
+       rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
+       /* 1M ring buffer */
+       r = r100_cp_init(rdev, 1024 * 1024);
+       if (r) {
+               dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
+               return r;
+       }
+       r420_cp_errata_init(rdev);
+       r = r100_wb_init(rdev);
+       if (r) {
+               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
+       }
+       r = r100_ib_init(rdev);
+       if (r) {
+               dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
+               return r;
        }
+       return 0;
 }
 
+int r420_resume(struct radeon_device *rdev)
+{
+       /* Make sur GART are not working */
+       if (rdev->flags & RADEON_IS_PCIE)
+               rv370_pcie_gart_disable(rdev);
+       if (rdev->flags & RADEON_IS_PCI)
+               r100_pci_gart_disable(rdev);
+       /* Resume clock before doing reset */
+       r420_clock_resume(rdev);
+       /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+       if (radeon_asic_reset(rdev)) {
+               dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+                       RREG32(R_000E40_RBBM_STATUS),
+                       RREG32(R_0007C0_CP_STAT));
+       }
+       /* check if cards are posted or not */
+       if (rdev->is_atom_bios) {
+               atom_asic_init(rdev->mode_info.atom_context);
+       } else {
+               radeon_combios_asic_init(rdev->ddev);
+       }
+       /* Resume clock after posting */
+       r420_clock_resume(rdev);
+       /* Initialize surface registers */
+       radeon_surface_init(rdev);
+       return r420_startup(rdev);
+}
 
-/*
- * r420,r423,rv410 VRAM info
- */
-void r420_vram_info(struct radeon_device *rdev)
+int r420_suspend(struct radeon_device *rdev)
+{
+       r420_cp_errata_fini(rdev);
+       r100_cp_disable(rdev);
+       r100_wb_disable(rdev);
+       r100_irq_disable(rdev);
+       if (rdev->flags & RADEON_IS_PCIE)
+               rv370_pcie_gart_disable(rdev);
+       if (rdev->flags & RADEON_IS_PCI)
+               r100_pci_gart_disable(rdev);
+       return 0;
+}
+
+void r420_fini(struct radeon_device *rdev)
 {
-       r300_vram_info(rdev);
+       r100_cp_fini(rdev);
+       r100_wb_fini(rdev);
+       r100_ib_fini(rdev);
+       radeon_gem_fini(rdev);
+       if (rdev->flags & RADEON_IS_PCIE)
+               rv370_pcie_gart_fini(rdev);
+       if (rdev->flags & RADEON_IS_PCI)
+               r100_pci_gart_fini(rdev);
+       radeon_agp_fini(rdev);
+       radeon_irq_kms_fini(rdev);
+       radeon_fence_driver_fini(rdev);
+       radeon_bo_fini(rdev);
+       if (rdev->is_atom_bios) {
+               radeon_atombios_fini(rdev);
+       } else {
+               radeon_combios_fini(rdev);
+       }
+       kfree(rdev->bios);
+       rdev->bios = NULL;
 }
 
+int r420_init(struct radeon_device *rdev)
+{
+       int r;
+
+       /* Initialize scratch registers */
+       radeon_scratch_init(rdev);
+       /* Initialize surface registers */
+       radeon_surface_init(rdev);
+       /* TODO: disable VGA need to use VGA request */
+       /* BIOS*/
+       if (!radeon_get_bios(rdev)) {
+               if (ASIC_IS_AVIVO(rdev))
+                       return -EINVAL;
+       }
+       if (rdev->is_atom_bios) {
+               r = radeon_atombios_init(rdev);
+               if (r) {
+                       return r;
+               }
+       } else {
+               r = radeon_combios_init(rdev);
+               if (r) {
+                       return r;
+               }
+       }
+       /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+       if (radeon_asic_reset(rdev)) {
+               dev_warn(rdev->dev,
+                       "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+                       RREG32(R_000E40_RBBM_STATUS),
+                       RREG32(R_0007C0_CP_STAT));
+       }
+       /* check if cards are posted or not */
+       if (radeon_boot_test_post_card(rdev) == false)
+               return -EINVAL;
+
+       /* Initialize clocks */
+       radeon_get_clock_info(rdev->ddev);
+       /* initialize AGP */
+       if (rdev->flags & RADEON_IS_AGP) {
+               r = radeon_agp_init(rdev);
+               if (r) {
+                       radeon_agp_disable(rdev);
+               }
+       }
+       /* initialize memory controller */
+       r300_mc_init(rdev);
+       r420_debugfs(rdev);
+       /* Fence driver */
+       r = radeon_fence_driver_init(rdev);
+       if (r) {
+               return r;
+       }
+       r = radeon_irq_kms_init(rdev);
+       if (r) {
+               return r;
+       }
+       /* Memory manager */
+       r = radeon_bo_init(rdev);
+       if (r) {
+               return r;
+       }
+       if (rdev->family == CHIP_R420)
+               r100_enable_bm(rdev);
+
+       if (rdev->flags & RADEON_IS_PCIE) {
+               r = rv370_pcie_gart_init(rdev);
+               if (r)
+                       return r;
+       }
+       if (rdev->flags & RADEON_IS_PCI) {
+               r = r100_pci_gart_init(rdev);
+               if (r)
+                       return r;
+       }
+       r420_set_reg_safe(rdev);
+       rdev->accel_working = true;
+       r = r420_startup(rdev);
+       if (r) {
+               /* Somethings want wront with the accel init stop accel */
+               dev_err(rdev->dev, "Disabling GPU acceleration\n");
+               r100_cp_fini(rdev);
+               r100_wb_fini(rdev);
+               r100_ib_fini(rdev);
+               radeon_irq_kms_fini(rdev);
+               if (rdev->flags & RADEON_IS_PCIE)
+                       rv370_pcie_gart_fini(rdev);
+               if (rdev->flags & RADEON_IS_PCI)
+                       r100_pci_gart_fini(rdev);
+               radeon_agp_fini(rdev);
+               rdev->accel_working = false;
+       }
+       return 0;
+}
 
 /*
  * Debugfs info