diff options
author | Dave Airlie <airlied@redhat.com> | 2010-04-20 07:15:05 +0400 |
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committer | Dave Airlie <airlied@redhat.com> | 2010-04-20 07:15:05 +0400 |
commit | 0bcb1d844ac638a4c4280f697d5bfac9791e9a70 (patch) | |
tree | c51aa8427a81cb64dded4d4f68bf1a1b8ad32041 /drivers/gpu/drm/radeon/r300.c | |
parent | c9c2625ff4fc4ce652e686f895059d2902c01ca0 (diff) | |
parent | 90aca4d2740255bd130ea71a91530b9920c70abe (diff) | |
download | linux-0bcb1d844ac638a4c4280f697d5bfac9791e9a70.tar.xz |
Merge branch 'drm-radeon-lockup' into drm-core-next
* drm-radeon-lockup:
drm/radeon/kms: simplify & improve GPU reset V2
drm/radeon/kms: rename gpu_reset to asic_reset
drm/radeon/kms: fence cleanup + more reliable GPU lockup detection V4
Conflicts:
drivers/gpu/drm/radeon/r300.c
Diffstat (limited to 'drivers/gpu/drm/radeon/r300.c')
-rw-r--r-- | drivers/gpu/drm/radeon/r300.c | 156 |
1 files changed, 82 insertions, 74 deletions
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index bd75f99bd65e..bb005bff4b08 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -27,8 +27,9 @@ */ #include <linux/seq_file.h> #include <linux/slab.h> -#include "drmP.h" -#include "drm.h" +#include <drm/drmP.h> +#include <drm/drm.h> +#include <drm/drm_crtc_helper.h> #include "radeon_reg.h" #include "radeon.h" #include "radeon_asic.h" @@ -151,6 +152,10 @@ void rv370_pcie_gart_disable(struct radeon_device *rdev) u32 tmp; int r; + WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0); + WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0); + WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0); + WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0); tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN); @@ -323,7 +328,6 @@ void r300_gpu_init(struct radeon_device *rdev) { uint32_t gb_tile_config, tmp; - r100_hdp_reset(rdev); /* FIXME: rv380 one pipes ? */ if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) || (rdev->family == CHIP_R350)) { @@ -376,89 +380,93 @@ void r300_gpu_init(struct radeon_device *rdev) rdev->num_gb_pipes, rdev->num_z_pipes); } -int r300_ga_reset(struct radeon_device *rdev) +bool r300_gpu_is_lockup(struct radeon_device *rdev) { - uint32_t tmp; - bool reinit_cp; - int i; + u32 rbbm_status; + int r; - reinit_cp = rdev->cp.ready; - rdev->cp.ready = false; - for (i = 0; i < rdev->usec_timeout; i++) { - WREG32(RADEON_CP_CSQ_MODE, 0); - WREG32(RADEON_CP_CSQ_CNTL, 0); - WREG32(RADEON_RBBM_SOFT_RESET, 0x32005); - (void)RREG32(RADEON_RBBM_SOFT_RESET); - udelay(200); - WREG32(RADEON_RBBM_SOFT_RESET, 0); - /* Wait to prevent race in RBBM_STATUS */ - mdelay(1); - tmp = RREG32(RADEON_RBBM_STATUS); - if (tmp & ((1 << 20) | (1 << 26))) { - DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)", tmp); - /* GA still busy soft reset it */ - WREG32(0x429C, 0x200); - WREG32(R300_VAP_PVS_STATE_FLUSH_REG, 0); - WREG32(R300_RE_SCISSORS_TL, 0); - WREG32(R300_RE_SCISSORS_BR, 0); - WREG32(0x24AC, 0); - } - /* Wait to prevent race in RBBM_STATUS */ - mdelay(1); - tmp = RREG32(RADEON_RBBM_STATUS); - if (!(tmp & ((1 << 20) | (1 << 26)))) { - break; - } + rbbm_status = RREG32(R_000E40_RBBM_STATUS); + if (!G_000E40_GUI_ACTIVE(rbbm_status)) { + r100_gpu_lockup_update(&rdev->config.r300.lockup, &rdev->cp); + return false; } - for (i = 0; i < rdev->usec_timeout; i++) { - tmp = RREG32(RADEON_RBBM_STATUS); - if (!(tmp & ((1 << 20) | (1 << 26)))) { - DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n", - tmp); - if (reinit_cp) { - return r100_cp_init(rdev, rdev->cp.ring_size); - } - return 0; - } - DRM_UDELAY(1); + /* force CP activities */ + r = radeon_ring_lock(rdev, 2); + if (!r) { + /* PACKET2 NOP */ + radeon_ring_write(rdev, 0x80000000); + radeon_ring_write(rdev, 0x80000000); + radeon_ring_unlock_commit(rdev); } - tmp = RREG32(RADEON_RBBM_STATUS); - DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp); - return -1; + rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR); + return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp); } -int r300_gpu_reset(struct radeon_device *rdev) +int r300_asic_reset(struct radeon_device *rdev) { - uint32_t status; - - /* reset order likely matter */ - status = RREG32(RADEON_RBBM_STATUS); - /* reset HDP */ - r100_hdp_reset(rdev); - /* reset rb2d */ - if (status & ((1 << 17) | (1 << 18) | (1 << 27))) { - r100_rb2d_reset(rdev); - } - /* reset GA */ - if (status & ((1 << 20) | (1 << 26))) { - r300_ga_reset(rdev); - } - /* reset CP */ - status = RREG32(RADEON_RBBM_STATUS); - if (status & (1 << 16)) { - r100_cp_reset(rdev); + struct r100_mc_save save; + u32 status, tmp; + + r100_mc_stop(rdev, &save); + status = RREG32(R_000E40_RBBM_STATUS); + if (!G_000E40_GUI_ACTIVE(status)) { + return 0; } + status = RREG32(R_000E40_RBBM_STATUS); + dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); + /* stop CP */ + WREG32(RADEON_CP_CSQ_CNTL, 0); + tmp = RREG32(RADEON_CP_RB_CNTL); + WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); + WREG32(RADEON_CP_RB_RPTR_WR, 0); + WREG32(RADEON_CP_RB_WPTR, 0); + WREG32(RADEON_CP_RB_CNTL, tmp); + /* save PCI state */ + pci_save_state(rdev->pdev); + /* disable bus mastering */ + r100_bm_disable(rdev); + WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) | + S_0000F0_SOFT_RESET_GA(1)); + RREG32(R_0000F0_RBBM_SOFT_RESET); + mdelay(500); + WREG32(R_0000F0_RBBM_SOFT_RESET, 0); + mdelay(1); + status = RREG32(R_000E40_RBBM_STATUS); + dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); + /* resetting the CP seems to be problematic sometimes it end up + * hard locking the computer, but it's necessary for successfull + * reset more test & playing is needed on R3XX/R4XX to find a + * reliable (if any solution) + */ + WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); + RREG32(R_0000F0_RBBM_SOFT_RESET); + mdelay(500); + WREG32(R_0000F0_RBBM_SOFT_RESET, 0); + mdelay(1); + status = RREG32(R_000E40_RBBM_STATUS); + dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); + /* reset MC */ + WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1)); + RREG32(R_0000F0_RBBM_SOFT_RESET); + mdelay(500); + WREG32(R_0000F0_RBBM_SOFT_RESET, 0); + mdelay(1); + status = RREG32(R_000E40_RBBM_STATUS); + dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); + /* restore PCI & busmastering */ + pci_restore_state(rdev->pdev); + r100_enable_bm(rdev); /* Check if GPU is idle */ - status = RREG32(RADEON_RBBM_STATUS); - if (status & RADEON_RBBM_ACTIVE) { - DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status); + if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) { + dev_err(rdev->dev, "failed to reset GPU\n"); + rdev->gpu_lockup = true; return -1; } - DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status); + r100_mc_resume(rdev, &save); + dev_info(rdev->dev, "GPU reset succeed\n"); return 0; } - /* * r300,r350,rv350,rv380 VRAM info */ @@ -1317,7 +1325,7 @@ int r300_resume(struct radeon_device *rdev) /* Resume clock before doing reset */ r300_clock_startup(rdev); /* Reset gpu before posting otherwise ATOM will enter infinite loop */ - if (radeon_gpu_reset(rdev)) { + 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)); @@ -1388,7 +1396,7 @@ int r300_init(struct radeon_device *rdev) return r; } /* Reset gpu before posting otherwise ATOM will enter infinite loop */ - if (radeon_gpu_reset(rdev)) { + if (radeon_asic_reset(rdev)) { dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", RREG32(R_000E40_RBBM_STATUS), |