aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/si.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
-rw-r--r--drivers/gpu/drm/radeon/si.c163
1 files changed, 140 insertions, 23 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 85e1edfaa3b..09ec4f6c53b 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -80,6 +80,8 @@ extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
extern bool evergreen_is_display_hung(struct radeon_device *rdev);
static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
bool enable);
+static void si_init_pg(struct radeon_device *rdev);
+static void si_init_cg(struct radeon_device *rdev);
static void si_fini_pg(struct radeon_device *rdev);
static void si_fini_cg(struct radeon_device *rdev);
static void si_rlc_stop(struct radeon_device *rdev);
@@ -1460,7 +1462,7 @@ static const u32 hainan_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
};
/* ucode loading */
-static int si_mc_load_microcode(struct radeon_device *rdev)
+int si_mc_load_microcode(struct radeon_device *rdev)
{
const __be32 *fw_data;
u32 running, blackout = 0;
@@ -3247,7 +3249,8 @@ static void si_cp_enable(struct radeon_device *rdev, bool enable)
if (enable)
WREG32(CP_ME_CNTL, 0);
else {
- radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
+ if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
+ radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT));
WREG32(SCRATCH_UMSK, 0);
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
@@ -3508,6 +3511,9 @@ static int si_cp_resume(struct radeon_device *rdev)
si_enable_gui_idle_interrupt(rdev, true);
+ if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
+ radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
+
return 0;
}
@@ -3724,6 +3730,106 @@ static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
evergreen_print_gpu_status_regs(rdev);
}
+static void si_set_clk_bypass_mode(struct radeon_device *rdev)
+{
+ u32 tmp, i;
+
+ tmp = RREG32(CG_SPLL_FUNC_CNTL);
+ tmp |= SPLL_BYPASS_EN;
+ WREG32(CG_SPLL_FUNC_CNTL, tmp);
+
+ tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
+ tmp |= SPLL_CTLREQ_CHG;
+ WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
+
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(SPLL_STATUS) & SPLL_CHG_STATUS)
+ break;
+ udelay(1);
+ }
+
+ tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
+ tmp &= ~(SPLL_CTLREQ_CHG | SCLK_MUX_UPDATE);
+ WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
+
+ tmp = RREG32(MPLL_CNTL_MODE);
+ tmp &= ~MPLL_MCLK_SEL;
+ WREG32(MPLL_CNTL_MODE, tmp);
+}
+
+static void si_spll_powerdown(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ tmp = RREG32(SPLL_CNTL_MODE);
+ tmp |= SPLL_SW_DIR_CONTROL;
+ WREG32(SPLL_CNTL_MODE, tmp);
+
+ tmp = RREG32(CG_SPLL_FUNC_CNTL);
+ tmp |= SPLL_RESET;
+ WREG32(CG_SPLL_FUNC_CNTL, tmp);
+
+ tmp = RREG32(CG_SPLL_FUNC_CNTL);
+ tmp |= SPLL_SLEEP;
+ WREG32(CG_SPLL_FUNC_CNTL, tmp);
+
+ tmp = RREG32(SPLL_CNTL_MODE);
+ tmp &= ~SPLL_SW_DIR_CONTROL;
+ WREG32(SPLL_CNTL_MODE, tmp);
+}
+
+static void si_gpu_pci_config_reset(struct radeon_device *rdev)
+{
+ struct evergreen_mc_save save;
+ u32 tmp, i;
+
+ dev_info(rdev->dev, "GPU pci config reset\n");
+
+ /* disable dpm? */
+
+ /* disable cg/pg */
+ si_fini_pg(rdev);
+ si_fini_cg(rdev);
+
+ /* Disable CP parsing/prefetching */
+ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
+ /* dma0 */
+ tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
+ tmp &= ~DMA_RB_ENABLE;
+ WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
+ /* dma1 */
+ tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
+ tmp &= ~DMA_RB_ENABLE;
+ WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
+ /* XXX other engines? */
+
+ /* halt the rlc, disable cp internal ints */
+ si_rlc_stop(rdev);
+
+ udelay(50);
+
+ /* disable mem access */
+ evergreen_mc_stop(rdev, &save);
+ if (evergreen_mc_wait_for_idle(rdev)) {
+ dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
+ }
+
+ /* set mclk/sclk to bypass */
+ si_set_clk_bypass_mode(rdev);
+ /* powerdown spll */
+ si_spll_powerdown(rdev);
+ /* disable BM */
+ pci_clear_master(rdev->pdev);
+ /* reset */
+ radeon_pci_config_reset(rdev);
+ /* wait for asic to come out of reset */
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
+ break;
+ udelay(1);
+ }
+}
+
int si_asic_reset(struct radeon_device *rdev)
{
u32 reset_mask;
@@ -3733,10 +3839,17 @@ int si_asic_reset(struct radeon_device *rdev)
if (reset_mask)
r600_set_bios_scratch_engine_hung(rdev, true);
+ /* try soft reset */
si_gpu_soft_reset(rdev, reset_mask);
reset_mask = si_gpu_check_soft_reset(rdev);
+ /* try pci config reset */
+ if (reset_mask && radeon_hard_reset)
+ si_gpu_pci_config_reset(rdev);
+
+ reset_mask = si_gpu_check_soft_reset(rdev);
+
if (!reset_mask)
r600_set_bios_scratch_engine_hung(rdev, false);
@@ -5212,8 +5325,8 @@ static void si_enable_hdp_ls(struct radeon_device *rdev,
WREG32(HDP_MEM_POWER_LS, data);
}
-void si_update_cg(struct radeon_device *rdev,
- u32 block, bool enable)
+static void si_update_cg(struct radeon_device *rdev,
+ u32 block, bool enable)
{
if (block & RADEON_CG_BLOCK_GFX) {
si_enable_gui_idle_interrupt(rdev, false);
@@ -5379,6 +5492,9 @@ static void si_init_pg(struct radeon_device *rdev)
si_init_ao_cu_mask(rdev);
if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG) {
si_init_gfx_cgpg(rdev);
+ } else {
+ WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
+ WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
}
si_enable_dma_pg(rdev, true);
si_enable_gfx_cgpg(rdev, true);
@@ -5566,7 +5682,7 @@ static void si_disable_interrupt_state(struct radeon_device *rdev)
}
if (!ASIC_IS_NODCE(rdev)) {
- WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
+ WREG32(DAC_AUTODETECT_INT_CONTROL, 0);
tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD1_INT_CONTROL, tmp);
@@ -6324,21 +6440,14 @@ static int si_startup(struct radeon_device *rdev)
si_mc_program(rdev);
- if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
- !rdev->rlc_fw || !rdev->mc_fw) {
- r = si_init_microcode(rdev);
+ if (!rdev->pm.dpm_enabled) {
+ r = si_mc_load_microcode(rdev);
if (r) {
- DRM_ERROR("Failed to load firmware!\n");
+ DRM_ERROR("Failed to load MC firmware!\n");
return r;
}
}
- r = si_mc_load_microcode(rdev);
- if (r) {
- DRM_ERROR("Failed to load MC firmware!\n");
- return r;
- }
-
r = si_pcie_gart_enable(rdev);
if (r)
return r;
@@ -6421,37 +6530,30 @@ static int si_startup(struct radeon_device *rdev)
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
- CP_RB0_RPTR, CP_RB0_WPTR,
RADEON_CP_PACKET2);
if (r)
return r;
ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET,
- CP_RB1_RPTR, CP_RB1_WPTR,
RADEON_CP_PACKET2);
if (r)
return r;
ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET,
- CP_RB2_RPTR, CP_RB2_WPTR,
RADEON_CP_PACKET2);
if (r)
return r;
ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
- DMA_RB_RPTR + DMA0_REGISTER_OFFSET,
- DMA_RB_WPTR + DMA0_REGISTER_OFFSET,
DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
if (r)
return r;
ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
- DMA_RB_RPTR + DMA1_REGISTER_OFFSET,
- DMA_RB_WPTR + DMA1_REGISTER_OFFSET,
DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
if (r)
return r;
@@ -6471,7 +6573,6 @@ static int si_startup(struct radeon_device *rdev)
ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
if (ring->ring_size) {
r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
- UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
RADEON_CP_PACKET2);
if (!r)
r = uvd_v1_0_init(rdev);
@@ -6513,6 +6614,8 @@ int si_resume(struct radeon_device *rdev)
/* init golden registers */
si_init_golden_registers(rdev);
+ radeon_pm_resume(rdev);
+
rdev->accel_working = true;
r = si_startup(rdev);
if (r) {
@@ -6527,6 +6630,7 @@ int si_resume(struct radeon_device *rdev)
int si_suspend(struct radeon_device *rdev)
{
+ radeon_pm_suspend(rdev);
dce6_audio_fini(rdev);
radeon_vm_manager_fini(rdev);
si_cp_enable(rdev, false);
@@ -6600,6 +6704,18 @@ int si_init(struct radeon_device *rdev)
if (r)
return r;
+ if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
+ !rdev->rlc_fw || !rdev->mc_fw) {
+ r = si_init_microcode(rdev);
+ if (r) {
+ DRM_ERROR("Failed to load firmware!\n");
+ return r;
+ }
+ }
+
+ /* Initialize power management */
+ radeon_pm_init(rdev);
+
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
ring->ring_obj = NULL;
r600_ring_init(rdev, ring, 1024 * 1024);
@@ -6666,6 +6782,7 @@ int si_init(struct radeon_device *rdev)
void si_fini(struct radeon_device *rdev)
{
+ radeon_pm_fini(rdev);
si_cp_fini(rdev);
cayman_dma_fini(rdev);
si_fini_pg(rdev);