diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubbub.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubbub.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubbub.c new file mode 100644 index 0000000000..037d265431 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubbub.c @@ -0,0 +1,107 @@ +/* +* Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ +#include "dm_services.h" +#include "dcn20/dcn20_hubbub.h" +#include "dcn201_hubbub.h" +#include "reg_helper.h" + +#define REG(reg)\ + hubbub1->regs->reg + +#define DC_LOGGER \ + hubbub1->base.ctx->logger + +#define CTX \ + hubbub1->base.ctx + +#undef FN +#define FN(reg_name, field_name) \ + hubbub1->shifts->field_name, hubbub1->masks->field_name + +#define REG(reg)\ + hubbub1->regs->reg + +#define CTX \ + hubbub1->base.ctx + +#undef FN +#define FN(reg_name, field_name) \ + hubbub1->shifts->field_name, hubbub1->masks->field_name + +static bool hubbub201_program_watermarks( + struct hubbub *hubbub, + struct dcn_watermark_set *watermarks, + unsigned int refclk_mhz, + bool safe_to_lower) +{ + struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub); + bool wm_pending = false; + + if (hubbub1_program_urgent_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower)) + wm_pending = true; + + if (hubbub1_program_pstate_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower)) + wm_pending = true; + + REG_SET(DCHUBBUB_ARB_SAT_LEVEL, 0, + DCHUBBUB_ARB_SAT_LEVEL, 60 * refclk_mhz); + REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND, + DCHUBBUB_ARB_MIN_REQ_OUTSTAND, 68); + + hubbub1_allow_self_refresh_control(hubbub, !hubbub->ctx->dc->debug.disable_stutter); + + return wm_pending; +} + +static const struct hubbub_funcs hubbub201_funcs = { + .update_dchub = hubbub2_update_dchub, + .init_dchub_sys_ctx = NULL, + .init_vm_ctx = NULL, + .dcc_support_swizzle = hubbub2_dcc_support_swizzle, + .dcc_support_pixel_format = hubbub2_dcc_support_pixel_format, + .get_dcc_compression_cap = hubbub2_get_dcc_compression_cap, + .wm_read_state = hubbub2_wm_read_state, + .get_dchub_ref_freq = hubbub2_get_dchub_ref_freq, + .program_watermarks = hubbub201_program_watermarks, + .hubbub_read_state = hubbub2_read_state, +}; + +void hubbub201_construct(struct dcn20_hubbub *hubbub, + struct dc_context *ctx, + const struct dcn_hubbub_registers *hubbub_regs, + const struct dcn_hubbub_shift *hubbub_shift, + const struct dcn_hubbub_mask *hubbub_mask) +{ + hubbub->base.ctx = ctx; + + hubbub->base.funcs = &hubbub201_funcs; + + hubbub->regs = hubbub_regs; + hubbub->shifts = hubbub_shift; + hubbub->masks = hubbub_mask; + + hubbub->debug_test_index_pstate = 0xB; + hubbub->detile_buf_size = 164 * 1024; +} |