[PATCH 12/20] drm/radeon/kms: fill in GPU init for AMD Ontario Fusion APUs

[Alex Deucher]

Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
---
 drivers/gpu/drm/radeon/evergreen.c |   49 ++++++++++++++++++++++++++++++++---
 1 files changed, 44 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c 
b/drivers/gpu/drm/radeon/evergreen.c
index 07c4c6f..7f859ff 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1299,6 +1299,7 @@ static u32 evergreen_get_tile_pipe_to_backend_map(struct 
radeon_device *rdev,
        switch (rdev->family) {
        case CHIP_CEDAR:
        case CHIP_REDWOOD:
+       case CHIP_PALM:
                force_no_swizzle = false;
                break;
        case CHIP_CYPRESS:
@@ -1423,6 +1424,7 @@ static void evergreen_program_channel_remap(struct 
radeon_device *rdev)
        case CHIP_JUNIPER:
        case CHIP_REDWOOD:
        case CHIP_CEDAR:
+       case CHIP_PALM:
        default:
                tcp_chan_steer_lo = 0x76543210;
                tcp_chan_steer_hi = 0x0000ba98;
@@ -1545,6 +1547,27 @@ static void evergreen_gpu_init(struct radeon_device 
*rdev)
                rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
                rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
                break;
+       case CHIP_PALM:
+               rdev->config.evergreen.num_ses = 1;
+               rdev->config.evergreen.max_pipes = 2;
+               rdev->config.evergreen.max_tile_pipes = 2;
+               rdev->config.evergreen.max_simds = 2;
+               rdev->config.evergreen.max_backends = 1 * 
rdev->config.evergreen.num_ses;
+               rdev->config.evergreen.max_gprs = 256;
+               rdev->config.evergreen.max_threads = 192;
+               rdev->config.evergreen.max_gs_threads = 16;
+               rdev->config.evergreen.max_stack_entries = 256;
+               rdev->config.evergreen.sx_num_of_sets = 4;
+               rdev->config.evergreen.sx_max_export_size = 128;
+               rdev->config.evergreen.sx_max_export_pos_size = 32;
+               rdev->config.evergreen.sx_max_export_smx_size = 96;
+               rdev->config.evergreen.max_hw_contexts = 4;
+               rdev->config.evergreen.sq_num_cf_insts = 1;
+
+               rdev->config.evergreen.sc_prim_fifo_size = 0x40;
+               rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
+               rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
+               break;
        }

        /* Initialize HDP */
@@ -1821,9 +1844,15 @@ static void evergreen_gpu_init(struct radeon_device 
*rdev)
                      GS_PRIO(2) |
                      ES_PRIO(3));

-       if (rdev->family == CHIP_CEDAR)
+       switch (rdev->family) {
+       case CHIP_CEDAR:
+       case CHIP_PALM:
                /* no vertex cache */
                sq_config &= ~VC_ENABLE;
+               break;
+       default:
+               break;
+       }

        sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);

@@ -1835,10 +1864,15 @@ static void evergreen_gpu_init(struct radeon_device 
*rdev)
        sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - 
(4 * 2)) * 3 / 32);
        sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs 
- (4 * 2)) * 3 / 32);

-       if (rdev->family == CHIP_CEDAR)
+       switch (rdev->family) {
+       case CHIP_CEDAR:
+       case CHIP_PALM:
                ps_thread_count = 96;
-       else
+               break;
+       default:
                ps_thread_count = 128;
+               break;
+       }

        sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
        sq_thread_resource_mgmt |= 
NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 
8) * 8);
@@ -1869,10 +1903,15 @@ static void evergreen_gpu_init(struct radeon_device 
*rdev)
        WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
                                          FORCE_EOV_MAX_REZ_CNT(255)));

-       if (rdev->family == CHIP_CEDAR)
+       switch (rdev->family) {
+       case CHIP_CEDAR:
+       case CHIP_PALM:
                vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
-       else
+               break;
+       default:
                vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
+               break;
+       }
        vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
        WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);

-- 
1.7.1.1