diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 425 |
1 files changed, 316 insertions, 109 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 2aaf147969bd..6d4b5611daf4 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -94,6 +94,12 @@ MODULE_FIRMWARE("radeon/SUMO_me.bin"); MODULE_FIRMWARE("radeon/SUMO2_pfp.bin"); MODULE_FIRMWARE("radeon/SUMO2_me.bin"); +static const u32 crtc_offsets[2] = +{ + 0, + AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL +}; + int r600_debugfs_mc_info_init(struct radeon_device *rdev); /* r600,rv610,rv630,rv620,rv635,rv670 */ @@ -103,6 +109,19 @@ void r600_fini(struct radeon_device *rdev); void r600_irq_disable(struct radeon_device *rdev); static void r600_pcie_gen2_enable(struct radeon_device *rdev); +/** + * r600_get_xclk - get the xclk + * + * @rdev: radeon_device pointer + * + * Returns the reference clock used by the gfx engine + * (r6xx, IGPs, APUs). + */ +u32 r600_get_xclk(struct radeon_device *rdev) +{ + return rdev->clock.spll.reference_freq; +} + /* get temperature in millidegrees */ int rv6xx_get_temp(struct radeon_device *rdev) { @@ -1254,114 +1273,301 @@ void r600_vram_scratch_fini(struct radeon_device *rdev) radeon_bo_unref(&rdev->vram_scratch.robj); } -/* We doesn't check that the GPU really needs a reset we simply do the - * reset, it's up to the caller to determine if the GPU needs one. We - * might add an helper function to check that. - */ -static int r600_gpu_soft_reset(struct radeon_device *rdev) +void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung) { - struct rv515_mc_save save; - u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) | - S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) | - S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) | - S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) | - S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) | - S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) | - S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) | - S_008010_GUI_ACTIVE(1); - u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) | - S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) | - S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) | - S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) | - S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) | - S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) | - S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) | - S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1); - u32 tmp; + u32 tmp = RREG32(R600_BIOS_3_SCRATCH); - if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) - return 0; + if (hung) + tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; + else + tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; - dev_info(rdev->dev, "GPU softreset \n"); - dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", - RREG32(R_008010_GRBM_STATUS)); - dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", - RREG32(R_008014_GRBM_STATUS2)); - dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", - RREG32(R_000E50_SRBM_STATUS)); + WREG32(R600_BIOS_3_SCRATCH, tmp); +} + +static void r600_print_gpu_status_regs(struct radeon_device *rdev) +{ + dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", + RREG32(R_008010_GRBM_STATUS)); + dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", + RREG32(R_008014_GRBM_STATUS2)); + dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n", + RREG32(R_000E50_SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", - RREG32(CP_STALLED_STAT1)); + RREG32(CP_STALLED_STAT1)); dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", - RREG32(CP_STALLED_STAT2)); + RREG32(CP_STALLED_STAT2)); dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", - RREG32(CP_BUSY_STAT)); + RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", - RREG32(CP_STAT)); + RREG32(CP_STAT)); + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); +} + +static bool r600_is_display_hung(struct radeon_device *rdev) +{ + u32 crtc_hung = 0; + u32 crtc_status[2]; + u32 i, j, tmp; + + for (i = 0; i < rdev->num_crtc; i++) { + if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) { + crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); + crtc_hung |= (1 << i); + } + } + + for (j = 0; j < 10; j++) { + for (i = 0; i < rdev->num_crtc; i++) { + if (crtc_hung & (1 << i)) { + tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); + if (tmp != crtc_status[i]) + crtc_hung &= ~(1 << i); + } + } + if (crtc_hung == 0) + return false; + udelay(100); + } + + return true; +} + +static u32 r600_gpu_check_soft_reset(struct radeon_device *rdev) +{ + u32 reset_mask = 0; + u32 tmp; + + /* GRBM_STATUS */ + tmp = RREG32(R_008010_GRBM_STATUS); + if (rdev->family >= CHIP_RV770) { + if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | + G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | + G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | + G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | + G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) + reset_mask |= RADEON_RESET_GFX; + } else { + if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | + G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | + G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | + G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | + G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) + reset_mask |= RADEON_RESET_GFX; + } + + if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) | + G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp)) + reset_mask |= RADEON_RESET_CP; + + if (G_008010_GRBM_EE_BUSY(tmp)) + reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP; + + /* DMA_STATUS_REG */ + tmp = RREG32(DMA_STATUS_REG); + if (!(tmp & DMA_IDLE)) + reset_mask |= RADEON_RESET_DMA; + + /* SRBM_STATUS */ + tmp = RREG32(R_000E50_SRBM_STATUS); + if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp)) + reset_mask |= RADEON_RESET_RLC; + + if (G_000E50_IH_BUSY(tmp)) + reset_mask |= RADEON_RESET_IH; + + if (G_000E50_SEM_BUSY(tmp)) + reset_mask |= RADEON_RESET_SEM; + + if (G_000E50_GRBM_RQ_PENDING(tmp)) + reset_mask |= RADEON_RESET_GRBM; + + if (G_000E50_VMC_BUSY(tmp)) + reset_mask |= RADEON_RESET_VMC; + + if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) | + G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) | + G_000E50_MCDW_BUSY(tmp)) + reset_mask |= RADEON_RESET_MC; + + if (r600_is_display_hung(rdev)) + reset_mask |= RADEON_RESET_DISPLAY; + + return reset_mask; +} + +static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) +{ + struct rv515_mc_save save; + u32 grbm_soft_reset = 0, srbm_soft_reset = 0; + u32 tmp; + + if (reset_mask == 0) + return; + + dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); + + r600_print_gpu_status_regs(rdev); + + /* Disable CP parsing/prefetching */ + if (rdev->family >= CHIP_RV770) + WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); + else + WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); + + /* disable the RLC */ + WREG32(RLC_CNTL, 0); + + if (reset_mask & RADEON_RESET_DMA) { + /* Disable DMA */ + tmp = RREG32(DMA_RB_CNTL); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL, tmp); + } + + mdelay(50); + rv515_mc_stop(rdev, &save); if (r600_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } - /* Disable CP parsing/prefetching */ - WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); - /* Check if any of the rendering block is busy and reset it */ - if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) || - (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) { - tmp = S_008020_SOFT_RESET_CR(1) | - S_008020_SOFT_RESET_DB(1) | - S_008020_SOFT_RESET_CB(1) | - S_008020_SOFT_RESET_PA(1) | - S_008020_SOFT_RESET_SC(1) | - S_008020_SOFT_RESET_SMX(1) | - S_008020_SOFT_RESET_SPI(1) | - S_008020_SOFT_RESET_SX(1) | - S_008020_SOFT_RESET_SH(1) | - S_008020_SOFT_RESET_TC(1) | - S_008020_SOFT_RESET_TA(1) | - S_008020_SOFT_RESET_VC(1) | + + if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) { + if (rdev->family >= CHIP_RV770) + grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) | + S_008020_SOFT_RESET_CB(1) | + S_008020_SOFT_RESET_PA(1) | + S_008020_SOFT_RESET_SC(1) | + S_008020_SOFT_RESET_SPI(1) | + S_008020_SOFT_RESET_SX(1) | + S_008020_SOFT_RESET_SH(1) | + S_008020_SOFT_RESET_TC(1) | + S_008020_SOFT_RESET_TA(1) | + S_008020_SOFT_RESET_VC(1) | + S_008020_SOFT_RESET_VGT(1); + else + grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) | + S_008020_SOFT_RESET_DB(1) | + S_008020_SOFT_RESET_CB(1) | + S_008020_SOFT_RESET_PA(1) | + S_008020_SOFT_RESET_SC(1) | + S_008020_SOFT_RESET_SMX(1) | + S_008020_SOFT_RESET_SPI(1) | + S_008020_SOFT_RESET_SX(1) | + S_008020_SOFT_RESET_SH(1) | + S_008020_SOFT_RESET_TC(1) | + S_008020_SOFT_RESET_TA(1) | + S_008020_SOFT_RESET_VC(1) | + S_008020_SOFT_RESET_VGT(1); + } + + if (reset_mask & RADEON_RESET_CP) { + grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) | S_008020_SOFT_RESET_VGT(1); - dev_info(rdev->dev, " R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); + + srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); + } + + if (reset_mask & RADEON_RESET_DMA) { + if (rdev->family >= CHIP_RV770) + srbm_soft_reset |= RV770_SOFT_RESET_DMA; + else + srbm_soft_reset |= SOFT_RESET_DMA; + } + + if (reset_mask & RADEON_RESET_RLC) + srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1); + + if (reset_mask & RADEON_RESET_SEM) + srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1); + + if (reset_mask & RADEON_RESET_IH) + srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1); + + if (reset_mask & RADEON_RESET_GRBM) + srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); + + if (!(rdev->flags & RADEON_IS_IGP)) { + if (reset_mask & RADEON_RESET_MC) + srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1); + } + + if (reset_mask & RADEON_RESET_VMC) + srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1); + + if (grbm_soft_reset) { + tmp = RREG32(R_008020_GRBM_SOFT_RESET); + tmp |= grbm_soft_reset; + dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); WREG32(R_008020_GRBM_SOFT_RESET, tmp); - RREG32(R_008020_GRBM_SOFT_RESET); - mdelay(15); - WREG32(R_008020_GRBM_SOFT_RESET, 0); + tmp = RREG32(R_008020_GRBM_SOFT_RESET); + + udelay(50); + + tmp &= ~grbm_soft_reset; + WREG32(R_008020_GRBM_SOFT_RESET, tmp); + tmp = RREG32(R_008020_GRBM_SOFT_RESET); } - /* Reset CP (we always reset CP) */ - tmp = S_008020_SOFT_RESET_CP(1); - dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); - WREG32(R_008020_GRBM_SOFT_RESET, tmp); - RREG32(R_008020_GRBM_SOFT_RESET); - mdelay(15); - WREG32(R_008020_GRBM_SOFT_RESET, 0); + + if (srbm_soft_reset) { + tmp = RREG32(SRBM_SOFT_RESET); + tmp |= srbm_soft_reset; + dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); + WREG32(SRBM_SOFT_RESET, tmp); + tmp = RREG32(SRBM_SOFT_RESET); + + udelay(50); + + tmp &= ~srbm_soft_reset; + WREG32(SRBM_SOFT_RESET, tmp); + tmp = RREG32(SRBM_SOFT_RESET); + } + /* Wait a little for things to settle down */ mdelay(1); - dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", - RREG32(R_008010_GRBM_STATUS)); - dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", - RREG32(R_008014_GRBM_STATUS2)); - dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", - RREG32(R_000E50_SRBM_STATUS)); - dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", - RREG32(CP_STALLED_STAT1)); - dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", - RREG32(CP_STALLED_STAT2)); - dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", - RREG32(CP_BUSY_STAT)); - dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", - RREG32(CP_STAT)); + rv515_mc_resume(rdev, &save); + udelay(50); + + r600_print_gpu_status_regs(rdev); +} + +int r600_asic_reset(struct radeon_device *rdev) +{ + u32 reset_mask; + + reset_mask = r600_gpu_check_soft_reset(rdev); + + if (reset_mask) + r600_set_bios_scratch_engine_hung(rdev, true); + + r600_gpu_soft_reset(rdev, reset_mask); + + reset_mask = r600_gpu_check_soft_reset(rdev); + + if (!reset_mask) + r600_set_bios_scratch_engine_hung(rdev, false); + return 0; } -bool r600_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) +/** + * r600_gfx_is_lockup - Check if the GFX engine is locked up + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Check if the GFX engine is locked up. + * Returns true if the engine appears to be locked up, false if not. + */ +bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) { - u32 srbm_status; - u32 grbm_status; - u32 grbm_status2; - - srbm_status = RREG32(R_000E50_SRBM_STATUS); - grbm_status = RREG32(R_008010_GRBM_STATUS); - grbm_status2 = RREG32(R_008014_GRBM_STATUS2); - if (!G_008010_GUI_ACTIVE(grbm_status)) { + u32 reset_mask = r600_gpu_check_soft_reset(rdev); + + if (!(reset_mask & (RADEON_RESET_GFX | + RADEON_RESET_COMPUTE | + RADEON_RESET_CP))) { radeon_ring_lockup_update(ring); return false; } @@ -1376,15 +1582,14 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) * @rdev: radeon_device pointer * @ring: radeon_ring structure holding ring information * - * Check if the async DMA engine is locked up (r6xx-evergreen). + * Check if the async DMA engine is locked up. * Returns true if the engine appears to be locked up, false if not. */ bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) { - u32 dma_status_reg; + u32 reset_mask = r600_gpu_check_soft_reset(rdev); - dma_status_reg = RREG32(DMA_STATUS_REG); - if (dma_status_reg & DMA_IDLE) { + if (!(reset_mask & RADEON_RESET_DMA)) { radeon_ring_lockup_update(ring); return false; } @@ -1393,11 +1598,6 @@ bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) return radeon_ring_test_lockup(rdev, ring); } -int r600_asic_reset(struct radeon_device *rdev) -{ - return r600_gpu_soft_reset(rdev); -} - u32 r6xx_remap_render_backend(struct radeon_device *rdev, u32 tiling_pipe_num, u32 max_rb_num, @@ -1405,12 +1605,15 @@ u32 r6xx_remap_render_backend(struct radeon_device *rdev, u32 disabled_rb_mask) { u32 rendering_pipe_num, rb_num_width, req_rb_num; - u32 pipe_rb_ratio, pipe_rb_remain; + u32 pipe_rb_ratio, pipe_rb_remain, tmp; u32 data = 0, mask = 1 << (max_rb_num - 1); unsigned i, j; /* mask out the RBs that don't exist on that asic */ - disabled_rb_mask |= (0xff << max_rb_num) & 0xff; + tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff); + /* make sure at least one RB is available */ + if ((tmp & 0xff) != 0xff) + disabled_rb_mask = tmp; rendering_pipe_num = 1 << tiling_pipe_num; req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask); @@ -2256,7 +2459,7 @@ void r600_dma_stop(struct radeon_device *rdev) int r600_dma_resume(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; - u32 rb_cntl, dma_cntl; + u32 rb_cntl, dma_cntl, ib_cntl; u32 rb_bufsz; int r; @@ -2296,7 +2499,11 @@ int r600_dma_resume(struct radeon_device *rdev) WREG32(DMA_RB_BASE, ring->gpu_addr >> 8); /* enable DMA IBs */ - WREG32(DMA_IB_CNTL, DMA_IB_ENABLE); + ib_cntl = DMA_IB_ENABLE; +#ifdef __BIG_ENDIAN + ib_cntl |= DMA_IB_SWAP_ENABLE; +#endif + WREG32(DMA_IB_CNTL, ib_cntl); dma_cntl = RREG32(DMA_CNTL); dma_cntl &= ~CTXEMPTY_INT_ENABLE; @@ -2595,7 +2802,7 @@ int r600_copy_blit(struct radeon_device *rdev, * @num_gpu_pages: number of GPU pages to xfer * @fence: radeon fence object * - * Copy GPU paging using the DMA engine (r6xx-r7xx). + * Copy GPU paging using the DMA engine (r6xx). * Used by the radeon ttm implementation to move pages if * registered as the asic copy callback. */ @@ -2618,8 +2825,8 @@ int r600_copy_dma(struct radeon_device *rdev, } size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4; - num_loops = DIV_ROUND_UP(size_in_dw, 0xffff); - r = radeon_ring_lock(rdev, ring, num_loops * 5 + 8); + num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFE); + r = radeon_ring_lock(rdev, ring, num_loops * 4 + 8); if (r) { DRM_ERROR("radeon: moving bo (%d).\n", r); radeon_semaphore_free(rdev, &sem, NULL); @@ -2636,14 +2843,14 @@ int r600_copy_dma(struct radeon_device *rdev, for (i = 0; i < num_loops; i++) { cur_size_in_dw = size_in_dw; - if (cur_size_in_dw > 0xFFFF) - cur_size_in_dw = 0xFFFF; + if (cur_size_in_dw > 0xFFFE) + cur_size_in_dw = 0xFFFE; size_in_dw -= cur_size_in_dw; radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw)); radeon_ring_write(ring, dst_offset & 0xfffffffc); radeon_ring_write(ring, src_offset & 0xfffffffc); - radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff); - radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff); + radeon_ring_write(ring, (((upper_32_bits(dst_offset) & 0xff) << 16) | + (upper_32_bits(src_offset) & 0xff))); src_offset += cur_size_in_dw * 4; dst_offset += cur_size_in_dw * 4; } @@ -4254,14 +4461,14 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev) } /** - * r600_get_gpu_clock - return GPU clock counter snapshot + * r600_get_gpu_clock_counter - return GPU clock counter snapshot * * @rdev: radeon_device pointer * * Fetches a GPU clock counter snapshot (R6xx-cayman). * Returns the 64 bit clock counter snapshot. */ -uint64_t r600_get_gpu_clock(struct radeon_device *rdev) +uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev) { uint64_t clock; |