diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-11 10:17:15 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-11 10:17:15 +0300 |
commit | dd92b0133a78457e909da1d5916a05c342a897d6 (patch) | |
tree | 1235c44f161872bba490d5e7ea20286f544b820c /drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | |
parent | 378c1ee2227f67d4dbb748ff5193c959d5299095 (diff) | |
parent | 2ef96a5bb12be62ef75b5828c0aab838ebb29cb8 (diff) | |
download | linux-dd92b0133a78457e909da1d5916a05c342a897d6.tar.xz |
Merge 5.7-rc5 into char-misc-next
We want the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 5cdbba0cd873..e4348e3b6389 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -508,6 +508,10 @@ enum dcn20_clk_src_array_id { .block ## _ ## reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \ mm ## block ## id ## _ ## reg_name +#define VUPDATE_SRII(reg_name, block, id)\ + .reg_name[id] = BASE(mm ## reg_name ## _ ## block ## id ## _BASE_IDX) + \ + mm ## reg_name ## _ ## block ## id + /* NBIO */ #define NBIO_BASE_INNER(seg) \ NBIO_BASE__INST0_SEG ## seg @@ -3064,25 +3068,32 @@ validate_out: return out; } - -bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context, - bool fast_validate) +/* + * This must be noinline to ensure anything that deals with FP registers + * is contained within this call; previously our compiling with hard-float + * would result in fp instructions being emitted outside of the boundaries + * of the DC_FP_START/END macros, which makes sense as the compiler has no + * idea about what is wrapped and what is not + * + * This is largely just a workaround to avoid breakage introduced with 5.6, + * ideally all fp-using code should be moved into its own file, only that + * should be compiled with hard-float, and all code exported from there + * should be strictly wrapped with DC_FP_START/END + */ +static noinline bool dcn20_validate_bandwidth_fp(struct dc *dc, + struct dc_state *context, bool fast_validate) { bool voltage_supported = false; bool full_pstate_supported = false; bool dummy_pstate_supported = false; double p_state_latency_us; - DC_FP_START(); p_state_latency_us = context->bw_ctx.dml.soc.dram_clock_change_latency_us; context->bw_ctx.dml.soc.disable_dram_clock_change_vactive_support = dc->debug.disable_dram_clock_change_vactive_support; if (fast_validate) { - voltage_supported = dcn20_validate_bandwidth_internal(dc, context, true); - - DC_FP_END(); - return voltage_supported; + return dcn20_validate_bandwidth_internal(dc, context, true); } // Best case, we support full UCLK switch latency @@ -3111,7 +3122,15 @@ bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context, restore_dml_state: context->bw_ctx.dml.soc.dram_clock_change_latency_us = p_state_latency_us; + return voltage_supported; +} +bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context, + bool fast_validate) +{ + bool voltage_supported = false; + DC_FP_START(); + voltage_supported = dcn20_validate_bandwidth_fp(dc, context, fast_validate); DC_FP_END(); return voltage_supported; } |