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path: root/drivers/gpu/drm/radeon/cik.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/cik.c')
-rw-r--r--drivers/gpu/drm/radeon/cik.c369
1 files changed, 332 insertions, 37 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index e6419ca7cd3..c0ea66192fe 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -38,6 +38,7 @@ MODULE_FIRMWARE("radeon/BONAIRE_me.bin");
MODULE_FIRMWARE("radeon/BONAIRE_ce.bin");
MODULE_FIRMWARE("radeon/BONAIRE_mec.bin");
MODULE_FIRMWARE("radeon/BONAIRE_mc.bin");
+MODULE_FIRMWARE("radeon/BONAIRE_mc2.bin");
MODULE_FIRMWARE("radeon/BONAIRE_rlc.bin");
MODULE_FIRMWARE("radeon/BONAIRE_sdma.bin");
MODULE_FIRMWARE("radeon/BONAIRE_smc.bin");
@@ -46,6 +47,7 @@ MODULE_FIRMWARE("radeon/HAWAII_me.bin");
MODULE_FIRMWARE("radeon/HAWAII_ce.bin");
MODULE_FIRMWARE("radeon/HAWAII_mec.bin");
MODULE_FIRMWARE("radeon/HAWAII_mc.bin");
+MODULE_FIRMWARE("radeon/HAWAII_mc2.bin");
MODULE_FIRMWARE("radeon/HAWAII_rlc.bin");
MODULE_FIRMWARE("radeon/HAWAII_sdma.bin");
MODULE_FIRMWARE("radeon/HAWAII_smc.bin");
@@ -61,6 +63,12 @@ MODULE_FIRMWARE("radeon/KABINI_ce.bin");
MODULE_FIRMWARE("radeon/KABINI_mec.bin");
MODULE_FIRMWARE("radeon/KABINI_rlc.bin");
MODULE_FIRMWARE("radeon/KABINI_sdma.bin");
+MODULE_FIRMWARE("radeon/MULLINS_pfp.bin");
+MODULE_FIRMWARE("radeon/MULLINS_me.bin");
+MODULE_FIRMWARE("radeon/MULLINS_ce.bin");
+MODULE_FIRMWARE("radeon/MULLINS_mec.bin");
+MODULE_FIRMWARE("radeon/MULLINS_rlc.bin");
+MODULE_FIRMWARE("radeon/MULLINS_sdma.bin");
extern int r600_ih_ring_alloc(struct radeon_device *rdev);
extern void r600_ih_ring_fini(struct radeon_device *rdev);
@@ -72,9 +80,11 @@ extern int sumo_rlc_init(struct radeon_device *rdev);
extern void si_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
extern void si_rlc_reset(struct radeon_device *rdev);
extern void si_init_uvd_internal_cg(struct radeon_device *rdev);
+static u32 cik_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh);
extern int cik_sdma_resume(struct radeon_device *rdev);
extern void cik_sdma_enable(struct radeon_device *rdev, bool enable);
extern void cik_sdma_fini(struct radeon_device *rdev);
+extern void vce_v2_0_enable_mgcg(struct radeon_device *rdev, bool enable);
static void cik_rlc_stop(struct radeon_device *rdev);
static void cik_pcie_gen3_enable(struct radeon_device *rdev);
static void cik_program_aspm(struct radeon_device *rdev);
@@ -1095,7 +1105,7 @@ static const u32 spectre_golden_registers[] =
0x8a14, 0xf000003f, 0x00000007,
0x8b24, 0xffffffff, 0x00ffffff,
0x28350, 0x3f3f3fff, 0x00000082,
- 0x28355, 0x0000003f, 0x00000000,
+ 0x28354, 0x0000003f, 0x00000000,
0x3e78, 0x00000001, 0x00000002,
0x913c, 0xffff03df, 0x00000004,
0xc768, 0x00000008, 0x00000008,
@@ -1470,6 +1480,43 @@ static const u32 hawaii_mgcg_cgcg_init[] =
0xd80c, 0xff000ff0, 0x00000100
};
+static const u32 godavari_golden_registers[] =
+{
+ 0x55e4, 0xff607fff, 0xfc000100,
+ 0x6ed8, 0x00010101, 0x00010000,
+ 0x9830, 0xffffffff, 0x00000000,
+ 0x98302, 0xf00fffff, 0x00000400,
+ 0x6130, 0xffffffff, 0x00010000,
+ 0x5bb0, 0x000000f0, 0x00000070,
+ 0x5bc0, 0xf0311fff, 0x80300000,
+ 0x98f8, 0x73773777, 0x12010001,
+ 0x98fc, 0xffffffff, 0x00000010,
+ 0x8030, 0x00001f0f, 0x0000100a,
+ 0x2f48, 0x73773777, 0x12010001,
+ 0x2408, 0x000fffff, 0x000c007f,
+ 0x8a14, 0xf000003f, 0x00000007,
+ 0x8b24, 0xffffffff, 0x00ff0fff,
+ 0x30a04, 0x0000ff0f, 0x00000000,
+ 0x28a4c, 0x07ffffff, 0x06000000,
+ 0x4d8, 0x00000fff, 0x00000100,
+ 0xd014, 0x00010000, 0x00810001,
+ 0xd814, 0x00010000, 0x00810001,
+ 0x3e78, 0x00000001, 0x00000002,
+ 0xc768, 0x00000008, 0x00000008,
+ 0xc770, 0x00000f00, 0x00000800,
+ 0xc774, 0x00000f00, 0x00000800,
+ 0xc798, 0x00ffffff, 0x00ff7fbf,
+ 0xc79c, 0x00ffffff, 0x00ff7faf,
+ 0x8c00, 0x000000ff, 0x00000001,
+ 0x214f8, 0x01ff01ff, 0x00000002,
+ 0x21498, 0x007ff800, 0x00200000,
+ 0x2015c, 0xffffffff, 0x00000f40,
+ 0x88c4, 0x001f3ae3, 0x00000082,
+ 0x88d4, 0x0000001f, 0x00000010,
+ 0x30934, 0xffffffff, 0x00000000
+};
+
+
static void cik_init_golden_registers(struct radeon_device *rdev)
{
switch (rdev->family) {
@@ -1501,6 +1548,20 @@ static void cik_init_golden_registers(struct radeon_device *rdev)
kalindi_golden_spm_registers,
(const u32)ARRAY_SIZE(kalindi_golden_spm_registers));
break;
+ case CHIP_MULLINS:
+ radeon_program_register_sequence(rdev,
+ kalindi_mgcg_cgcg_init,
+ (const u32)ARRAY_SIZE(kalindi_mgcg_cgcg_init));
+ radeon_program_register_sequence(rdev,
+ godavari_golden_registers,
+ (const u32)ARRAY_SIZE(godavari_golden_registers));
+ radeon_program_register_sequence(rdev,
+ kalindi_golden_common_registers,
+ (const u32)ARRAY_SIZE(kalindi_golden_common_registers));
+ radeon_program_register_sequence(rdev,
+ kalindi_golden_spm_registers,
+ (const u32)ARRAY_SIZE(kalindi_golden_spm_registers));
+ break;
case CHIP_KAVERI:
radeon_program_register_sequence(rdev,
spectre_mgcg_cgcg_init,
@@ -1702,20 +1763,20 @@ int ci_mc_load_microcode(struct radeon_device *rdev)
const __be32 *fw_data;
u32 running, blackout = 0;
u32 *io_mc_regs;
- int i, ucode_size, regs_size;
+ int i, regs_size, ucode_size;
if (!rdev->mc_fw)
return -EINVAL;
+ ucode_size = rdev->mc_fw->size / 4;
+
switch (rdev->family) {
case CHIP_BONAIRE:
io_mc_regs = (u32 *)&bonaire_io_mc_regs;
- ucode_size = CIK_MC_UCODE_SIZE;
regs_size = BONAIRE_IO_MC_REGS_SIZE;
break;
case CHIP_HAWAII:
io_mc_regs = (u32 *)&hawaii_io_mc_regs;
- ucode_size = HAWAII_MC_UCODE_SIZE;
regs_size = HAWAII_IO_MC_REGS_SIZE;
break;
default:
@@ -1782,7 +1843,7 @@ static int cik_init_microcode(struct radeon_device *rdev)
const char *chip_name;
size_t pfp_req_size, me_req_size, ce_req_size,
mec_req_size, rlc_req_size, mc_req_size = 0,
- sdma_req_size, smc_req_size = 0;
+ sdma_req_size, smc_req_size = 0, mc2_req_size = 0;
char fw_name[30];
int err;
@@ -1796,7 +1857,8 @@ static int cik_init_microcode(struct radeon_device *rdev)
ce_req_size = CIK_CE_UCODE_SIZE * 4;
mec_req_size = CIK_MEC_UCODE_SIZE * 4;
rlc_req_size = BONAIRE_RLC_UCODE_SIZE * 4;
- mc_req_size = CIK_MC_UCODE_SIZE * 4;
+ mc_req_size = BONAIRE_MC_UCODE_SIZE * 4;
+ mc2_req_size = BONAIRE_MC2_UCODE_SIZE * 4;
sdma_req_size = CIK_SDMA_UCODE_SIZE * 4;
smc_req_size = ALIGN(BONAIRE_SMC_UCODE_SIZE, 4);
break;
@@ -1808,6 +1870,7 @@ static int cik_init_microcode(struct radeon_device *rdev)
mec_req_size = CIK_MEC_UCODE_SIZE * 4;
rlc_req_size = BONAIRE_RLC_UCODE_SIZE * 4;
mc_req_size = HAWAII_MC_UCODE_SIZE * 4;
+ mc2_req_size = HAWAII_MC2_UCODE_SIZE * 4;
sdma_req_size = CIK_SDMA_UCODE_SIZE * 4;
smc_req_size = ALIGN(HAWAII_SMC_UCODE_SIZE, 4);
break;
@@ -1829,6 +1892,15 @@ static int cik_init_microcode(struct radeon_device *rdev)
rlc_req_size = KB_RLC_UCODE_SIZE * 4;
sdma_req_size = CIK_SDMA_UCODE_SIZE * 4;
break;
+ case CHIP_MULLINS:
+ chip_name = "MULLINS";
+ pfp_req_size = CIK_PFP_UCODE_SIZE * 4;
+ me_req_size = CIK_ME_UCODE_SIZE * 4;
+ ce_req_size = CIK_CE_UCODE_SIZE * 4;
+ mec_req_size = CIK_MEC_UCODE_SIZE * 4;
+ rlc_req_size = ML_RLC_UCODE_SIZE * 4;
+ sdma_req_size = CIK_SDMA_UCODE_SIZE * 4;
+ break;
default: BUG();
}
@@ -1903,16 +1975,22 @@ static int cik_init_microcode(struct radeon_device *rdev)
/* No SMC, MC ucode on APUs */
if (!(rdev->flags & RADEON_IS_IGP)) {
- snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+ snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name);
err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
- if (err)
- goto out;
- if (rdev->mc_fw->size != mc_req_size) {
+ if (err) {
+ snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+ err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
+ if (err)
+ goto out;
+ }
+ if ((rdev->mc_fw->size != mc_req_size) &&
+ (rdev->mc_fw->size != mc2_req_size)){
printk(KERN_ERR
"cik_mc: Bogus length %zu in firmware \"%s\"\n",
rdev->mc_fw->size, fw_name);
err = -EINVAL;
}
+ DRM_INFO("%s: %zu bytes\n", fw_name, rdev->mc_fw->size);
snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
@@ -2028,6 +2106,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 5:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING));
break;
case 6:
@@ -2048,6 +2127,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 9:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING));
break;
case 10:
@@ -2070,6 +2150,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 13:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING));
break;
case 14:
@@ -2092,6 +2173,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 27:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING));
break;
case 28:
@@ -2209,6 +2291,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
gb_tile_moden = 0;
break;
}
+ rdev->config.cik.macrotile_mode_array[reg_offset] = gb_tile_moden;
WREG32(GB_MACROTILE_MODE0 + (reg_offset * 4), gb_tile_moden);
}
} else if (num_pipe_configs == 8) {
@@ -2246,6 +2329,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 5:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P8_32x32_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING));
break;
case 6:
@@ -2266,6 +2350,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 9:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P8_32x32_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING));
break;
case 10:
@@ -2288,6 +2373,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 13:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P8_32x32_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING));
break;
case 14:
@@ -2310,6 +2396,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 27:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P8_32x32_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING));
break;
case 28:
@@ -2466,6 +2553,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 5:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P4_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING));
break;
case 6:
@@ -2486,6 +2574,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 9:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P4_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING));
break;
case 10:
@@ -2508,6 +2597,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 13:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P4_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING));
break;
case 14:
@@ -2530,6 +2620,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 27:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P4_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING));
break;
case 28:
@@ -2592,6 +2683,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 5:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P4_8x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING));
break;
case 6:
@@ -2612,6 +2704,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 9:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P4_8x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING));
break;
case 10:
@@ -2634,6 +2727,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 13:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P4_8x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING));
break;
case 14:
@@ -2656,6 +2750,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 27:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P4_8x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING));
break;
case 28:
@@ -2812,6 +2907,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 5:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P2) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING));
break;
case 6:
@@ -2827,11 +2923,13 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
TILE_SPLIT(split_equal_to_row_size));
break;
case 8:
- gb_tile_moden = ARRAY_MODE(ARRAY_LINEAR_ALIGNED);
+ gb_tile_moden = ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
+ PIPE_CONFIG(ADDR_SURF_P2);
break;
case 9:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
- MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING));
+ MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING) |
+ PIPE_CONFIG(ADDR_SURF_P2));
break;
case 10:
gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
@@ -2853,6 +2951,7 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 13:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+ PIPE_CONFIG(ADDR_SURF_P2) |
MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING));
break;
case 14:
@@ -2875,7 +2974,8 @@ static void cik_tiling_mode_table_init(struct radeon_device *rdev)
break;
case 27:
gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
- MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING));
+ MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING) |
+ PIPE_CONFIG(ADDR_SURF_P2));
break;
case 28:
gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_2D_TILED_THIN1) |
@@ -3046,7 +3146,7 @@ static u32 cik_create_bitmask(u32 bit_width)
}
/**
- * cik_select_se_sh - select which SE, SH to address
+ * cik_get_rb_disabled - computes the mask of disabled RBs
*
* @rdev: radeon_device pointer
* @max_rb_num: max RBs (render backends) for the asic
@@ -3159,7 +3259,7 @@ static void cik_gpu_init(struct radeon_device *rdev)
u32 mc_shared_chmap, mc_arb_ramcfg;
u32 hdp_host_path_cntl;
u32 tmp;
- int i, j;
+ int i, j, k;
switch (rdev->family) {
case CHIP_BONAIRE:
@@ -3240,6 +3340,7 @@ static void cik_gpu_init(struct radeon_device *rdev)
gb_addr_config = BONAIRE_GB_ADDR_CONFIG_GOLDEN;
break;
case CHIP_KABINI:
+ case CHIP_MULLINS:
default:
rdev->config.cik.max_shader_engines = 1;
rdev->config.cik.max_tile_pipes = 2;
@@ -3347,6 +3448,15 @@ static void cik_gpu_init(struct radeon_device *rdev)
rdev->config.cik.max_sh_per_se,
rdev->config.cik.max_backends_per_se);
+ for (i = 0; i < rdev->config.cik.max_shader_engines; i++) {
+ for (j = 0; j < rdev->config.cik.max_sh_per_se; j++) {
+ for (k = 0; k < rdev->config.cik.max_cu_per_sh; k++) {
+ rdev->config.cik.active_cus +=
+ hweight32(cik_get_cu_active_bitmap(rdev, i, j));
+ }
+ }
+ }
+
/* set HW defaults for 3D engine */
WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
@@ -3599,7 +3709,7 @@ bool cik_semaphore_ring_emit(struct radeon_device *rdev,
unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
- radeon_ring_write(ring, addr & 0xffffffff);
+ radeon_ring_write(ring, lower_32_bits(addr));
radeon_ring_write(ring, (upper_32_bits(addr) & 0xffff) | sel);
return true;
@@ -3670,6 +3780,7 @@ int cik_copy_cpdma(struct radeon_device *rdev,
r = radeon_fence_emit(rdev, fence, ring->idx);
if (r) {
radeon_ring_unlock_undo(rdev, ring);
+ radeon_semaphore_free(rdev, &sem, NULL);
return r;
}
@@ -3718,7 +3829,7 @@ void cik_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
radeon_ring_write(ring, WRITE_DATA_DST_SEL(1));
radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
- radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff);
+ radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr));
radeon_ring_write(ring, next_rptr);
}
@@ -4030,8 +4141,6 @@ static int cik_cp_gfx_resume(struct radeon_device *rdev)
WREG32(CP_RB0_BASE, rb_addr);
WREG32(CP_RB0_BASE_HI, upper_32_bits(rb_addr));
- ring->rptr = RREG32(CP_RB0_RPTR);
-
/* start the ring */
cik_cp_gfx_start(rdev);
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
@@ -4134,8 +4243,11 @@ static void cik_cp_compute_enable(struct radeon_device *rdev, bool enable)
{
if (enable)
WREG32(CP_MEC_CNTL, 0);
- else
+ else {
WREG32(CP_MEC_CNTL, (MEC_ME1_HALT | MEC_ME2_HALT));
+ rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
+ rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
+ }
udelay(50);
}
@@ -4586,8 +4698,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
rdev->ring[idx].wptr = 0;
mqd->queue_state.cp_hqd_pq_wptr = rdev->ring[idx].wptr;
WREG32(CP_HQD_PQ_WPTR, mqd->queue_state.cp_hqd_pq_wptr);
- rdev->ring[idx].rptr = RREG32(CP_HQD_PQ_RPTR);
- mqd->queue_state.cp_hqd_pq_rptr = rdev->ring[idx].rptr;
+ mqd->queue_state.cp_hqd_pq_rptr = RREG32(CP_HQD_PQ_RPTR);
/* set the vmid for the queue */
mqd->queue_state.cp_hqd_vmid = 0;
@@ -5117,11 +5228,9 @@ bool cik_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
if (!(reset_mask & (RADEON_RESET_GFX |
RADEON_RESET_COMPUTE |
RADEON_RESET_CP))) {
- radeon_ring_lockup_update(ring);
+ radeon_ring_lockup_update(rdev, ring);
return false;
}
- /* force CP activities */
- radeon_ring_force_activity(rdev, ring);
return radeon_ring_test_lockup(rdev, ring);
}
@@ -5298,6 +5407,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
WREG32(MC_VM_MX_L1_TLB_CNTL,
(0xA << 7) |
ENABLE_L1_TLB |
+ ENABLE_L1_FRAGMENT_PROCESSING |
SYSTEM_ACCESS_MODE_NOT_IN_SYS |
ENABLE_ADVANCED_DRIVER_MODEL |
SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
@@ -5310,7 +5420,8 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
CONTEXT1_IDENTITY_ACCESS_MODE(1));
WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
- L2_CACHE_BIGK_FRAGMENT_SIZE(6));
+ BANK_SELECT(4) |
+ L2_CACHE_BIGK_FRAGMENT_SIZE(4));
/* setup context0 */
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
@@ -5346,6 +5457,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
(u32)(rdev->dummy_page.addr >> 12));
WREG32(VM_CONTEXT1_CNTL2, 4);
WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
+ PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
@@ -5770,6 +5882,9 @@ static int cik_rlc_resume(struct radeon_device *rdev)
case CHIP_KABINI:
size = KB_RLC_UCODE_SIZE;
break;
+ case CHIP_MULLINS:
+ size = ML_RLC_UCODE_SIZE;
+ break;
}
cik_rlc_stop(rdev);
@@ -6141,6 +6256,10 @@ void cik_update_cg(struct radeon_device *rdev,
cik_enable_hdp_mgcg(rdev, enable);
cik_enable_hdp_ls(rdev, enable);
}
+
+ if (block & RADEON_CG_BLOCK_VCE) {
+ vce_v2_0_enable_mgcg(rdev, enable);
+ }
}
static void cik_init_cg(struct radeon_device *rdev)
@@ -6514,12 +6633,13 @@ void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
buffer[count++] = cpu_to_le32(0x00000000);
break;
case CHIP_KABINI:
+ case CHIP_MULLINS:
buffer[count++] = cpu_to_le32(0x00000000); /* XXX */
buffer[count++] = cpu_to_le32(0x00000000);
break;
case CHIP_HAWAII:
- buffer[count++] = 0x3a00161a;
- buffer[count++] = 0x0000002e;
+ buffer[count++] = cpu_to_le32(0x3a00161a);
+ buffer[count++] = cpu_to_le32(0x0000002e);
break;
default:
buffer[count++] = cpu_to_le32(0x00000000);
@@ -6659,6 +6779,19 @@ static void cik_disable_interrupt_state(struct radeon_device *rdev)
WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
}
+ /* pflip */
+ if (rdev->num_crtc >= 2) {
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+ }
+ if (rdev->num_crtc >= 4) {
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+ }
+ if (rdev->num_crtc >= 6) {
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+ }
/* dac hotplug */
WREG32(DAC_AUTODETECT_INT_CONTROL, 0);
@@ -7015,6 +7148,25 @@ int cik_irq_set(struct radeon_device *rdev)
WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
}
+ if (rdev->num_crtc >= 2) {
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_MASK);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_MASK);
+ }
+ if (rdev->num_crtc >= 4) {
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_MASK);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_MASK);
+ }
+ if (rdev->num_crtc >= 6) {
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_MASK);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_MASK);
+ }
+
WREG32(DC_HPD1_INT_CONTROL, hpd1);
WREG32(DC_HPD2_INT_CONTROL, hpd2);
WREG32(DC_HPD3_INT_CONTROL, hpd3);
@@ -7051,6 +7203,29 @@ static inline void cik_irq_ack(struct radeon_device *rdev)
rdev->irq.stat_regs.cik.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
rdev->irq.stat_regs.cik.disp_int_cont6 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE6);
+ rdev->irq.stat_regs.cik.d1grph_int = RREG32(GRPH_INT_STATUS +
+ EVERGREEN_CRTC0_REGISTER_OFFSET);
+ rdev->irq.stat_regs.cik.d2grph_int = RREG32(GRPH_INT_STATUS +
+ EVERGREEN_CRTC1_REGISTER_OFFSET);
+ if (rdev->num_crtc >= 4) {
+ rdev->irq.stat_regs.cik.d3grph_int = RREG32(GRPH_INT_STATUS +
+ EVERGREEN_CRTC2_REGISTER_OFFSET);
+ rdev->irq.stat_regs.cik.d4grph_int = RREG32(GRPH_INT_STATUS +
+ EVERGREEN_CRTC3_REGISTER_OFFSET);
+ }
+ if (rdev->num_crtc >= 6) {
+ rdev->irq.stat_regs.cik.d5grph_int = RREG32(GRPH_INT_STATUS +
+ EVERGREEN_CRTC4_REGISTER_OFFSET);
+ rdev->irq.stat_regs.cik.d6grph_int = RREG32(GRPH_INT_STATUS +
+ EVERGREEN_CRTC5_REGISTER_OFFSET);
+ }
+
+ if (rdev->irq.stat_regs.cik.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
+ WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_CLEAR);
+ if (rdev->irq.stat_regs.cik.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
+ WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.cik.disp_int & LB_D1_VBLANK_INTERRUPT)
WREG32(LB_VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
if (rdev->irq.stat_regs.cik.disp_int & LB_D1_VLINE_INTERRUPT)
@@ -7061,6 +7236,12 @@ static inline void cik_irq_ack(struct radeon_device *rdev)
WREG32(LB_VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
if (rdev->num_crtc >= 4) {
+ if (rdev->irq.stat_regs.cik.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
+ WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_CLEAR);
+ if (rdev->irq.stat_regs.cik.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
+ WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.cik.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
WREG32(LB_VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
if (rdev->irq.stat_regs.cik.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
@@ -7072,6 +7253,12 @@ static inline void cik_irq_ack(struct radeon_device *rdev)
}
if (rdev->num_crtc >= 6) {
+ if (rdev->irq.stat_regs.cik.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
+ WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_CLEAR);
+ if (rdev->irq.stat_regs.cik.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
+ WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET,
+ GRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.cik.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
WREG32(LB_VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
if (rdev->irq.stat_regs.cik.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
@@ -7190,6 +7377,7 @@ static inline u32 cik_get_ih_wptr(struct radeon_device *rdev)
tmp = RREG32(IH_RB_CNTL);
tmp |= IH_WPTR_OVERFLOW_CLEAR;
WREG32(IH_RB_CNTL, tmp);
+ wptr &= ~RB_OVERFLOW;
}
return (wptr & rdev->ih.ptr_mask);
}
@@ -7277,7 +7465,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
- radeon_crtc_handle_flip(rdev, 0);
+ radeon_crtc_handle_vblank(rdev, 0);
rdev->irq.stat_regs.cik.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D1 vblank\n");
}
@@ -7303,7 +7491,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
- radeon_crtc_handle_flip(rdev, 1);
+ radeon_crtc_handle_vblank(rdev, 1);
rdev->irq.stat_regs.cik.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D2 vblank\n");
}
@@ -7329,7 +7517,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[2]))
- radeon_crtc_handle_flip(rdev, 2);
+ radeon_crtc_handle_vblank(rdev, 2);
rdev->irq.stat_regs.cik.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D3 vblank\n");
}
@@ -7355,7 +7543,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[3]))
- radeon_crtc_handle_flip(rdev, 3);
+ radeon_crtc_handle_vblank(rdev, 3);
rdev->irq.stat_regs.cik.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D4 vblank\n");
}
@@ -7381,7 +7569,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[4]))
- radeon_crtc_handle_flip(rdev, 4);
+ radeon_crtc_handle_vblank(rdev, 4);
rdev->irq.stat_regs.cik.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D5 vblank\n");
}
@@ -7407,7 +7595,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[5]))
- radeon_crtc_handle_flip(rdev, 5);
+ radeon_crtc_handle_vblank(rdev, 5);
rdev->irq.stat_regs.cik.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D6 vblank\n");
}
@@ -7423,6 +7611,15 @@ restart_ih:
break;
}
break;
+ case 8: /* D1 page flip */
+ case 10: /* D2 page flip */
+ case 12: /* D3 page flip */
+ case 14: /* D4 page flip */
+ case 16: /* D5 page flip */
+ case 18: /* D6 page flip */
+ DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
+ radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
+ break;
case 42: /* HPD hotplug */
switch (src_data) {
case 0:
@@ -7481,14 +7678,30 @@ restart_ih:
addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
mc_client = RREG32(VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
+ /* reset addr and status */
+ WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
+ if (addr == 0x0 && status == 0x0)
+ break;
dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
addr);
dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
status);
cik_vm_decode_fault(rdev, status, addr, mc_client);
- /* reset addr and status */
- WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
+ break;
+ case 167: /* VCE */
+ DRM_DEBUG("IH: VCE int: 0x%08x\n", src_data);
+ switch (src_data) {
+ case 0:
+ radeon_fence_process(rdev, TN_RING_TYPE_VCE1_INDEX);
+ break;
+ case 1:
+ radeon_fence_process(rdev, TN_RING_TYPE_VCE2_INDEX);
+ break;
+ default:
+ DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
break;
case 176: /* GFX RB CP_INT */
case 177: /* GFX IB CP_INT */
@@ -7789,6 +8002,22 @@ static int cik_startup(struct radeon_device *rdev)
if (r)
rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
+ r = radeon_vce_resume(rdev);
+ if (!r) {
+ r = vce_v2_0_resume(rdev);
+ if (!r)
+ r = radeon_fence_driver_start_ring(rdev,
+ TN_RING_TYPE_VCE1_INDEX);
+ if (!r)
+ r = radeon_fence_driver_start_ring(rdev,
+ TN_RING_TYPE_VCE2_INDEX);
+ }
+ if (r) {
+ dev_err(rdev->dev, "VCE init error (%d).\n", r);
+ rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
+ rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
+ }
+
/* Enable IRQ */
if (!rdev->irq.installed) {
r = radeon_irq_kms_init(rdev);
@@ -7864,6 +8093,23 @@ static int cik_startup(struct radeon_device *rdev)
DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
}
+ r = -ENOENT;
+
+ ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
+ if (ring->ring_size)
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
+ VCE_CMD_NO_OP);
+
+ ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
+ if (ring->ring_size)
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
+ VCE_CMD_NO_OP);
+
+ if (!r)
+ r = vce_v1_0_init(rdev);
+ else if (r != -ENOENT)
+ DRM_ERROR("radeon: failed initializing VCE (%d).\n", r);
+
r = radeon_ib_pool_init(rdev);
if (r) {
dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
@@ -7902,7 +8148,8 @@ int cik_resume(struct radeon_device *rdev)
/* init golden registers */
cik_init_golden_registers(rdev);
- radeon_pm_resume(rdev);
+ if (rdev->pm.pm_method == PM_METHOD_DPM)
+ radeon_pm_resume(rdev);
rdev->accel_working = true;
r = cik_startup(rdev);
@@ -7934,6 +8181,7 @@ int cik_suspend(struct radeon_device *rdev)
cik_sdma_enable(rdev, false);
uvd_v1_0_fini(rdev);
radeon_uvd_suspend(rdev);
+ radeon_vce_suspend(rdev);
cik_fini_pg(rdev);
cik_fini_cg(rdev);
cik_irq_suspend(rdev);
@@ -8066,6 +8314,17 @@ int cik_init(struct radeon_device *rdev)
r600_ring_init(rdev, ring, 4096);
}
+ r = radeon_vce_init(rdev);
+ if (!r) {
+ ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
+ ring->ring_obj = NULL;
+ r600_ring_init(rdev, ring, 4096);
+
+ ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
+ ring->ring_obj = NULL;
+ r600_ring_init(rdev, ring, 4096);
+ }
+
rdev->ih.ring_obj = NULL;
r600_ih_ring_init(rdev, 64 * 1024);
@@ -8127,6 +8386,7 @@ void cik_fini(struct radeon_device *rdev)
radeon_irq_kms_fini(rdev);
uvd_v1_0_fini(rdev);
radeon_uvd_fini(rdev);
+ radeon_vce_fini(rdev);
cik_pcie_gart_fini(rdev);
r600_vram_scratch_fini(rdev);
radeon_gem_fini(rdev);
@@ -8865,6 +9125,41 @@ int cik_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
return r;
}
+int cik_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
+{
+ int r, i;
+ struct atom_clock_dividers dividers;
+ u32 tmp;
+
+ r = radeon_atom_get_clock_dividers(rdev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
+ ecclk, false, &dividers);
+ if (r)
+ return r;
+
+ for (i = 0; i < 100; i++) {
+ if (RREG32_SMC(CG_ECLK_STATUS) & ECLK_STATUS)
+ break;
+ mdelay(10);
+ }
+ if (i == 100)
+ return -ETIMEDOUT;
+
+ tmp = RREG32_SMC(CG_ECLK_CNTL);
+ tmp &= ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK);
+ tmp |= dividers.post_divider;
+ WREG32_SMC(CG_ECLK_CNTL, tmp);
+
+ for (i = 0; i < 100; i++) {
+ if (RREG32_SMC(CG_ECLK_STATUS) & ECLK_STATUS)
+ break;
+ mdelay(10);
+ }
+ if (i == 100)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
static void cik_pcie_gen3_enable(struct radeon_device *rdev)
{
struct pci_dev *root = rdev->pdev->bus->self;