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drm/amd/display: Only update output transfer function for full type. 

dcn10_translate_regamma_to_hw_format costs 750us to run, it cannot be
called within isr, check update flag before calling, only do it for
full update.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yongqiang Sun 2017-11-10 15:40:52 -05:00 committed by Alex Deucher
parent dce46c5320
commit 675634c5ab
1 changed files with 16 additions and 7 deletions
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23
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View File

@ -1211,9 +1211,17 @@ dcn10_set_output_transfer_func(struct pipe_ctx *pipe_ctx,
stream->out_transfer_func->type == TF_TYPE_PREDEFINED &&
stream->out_transfer_func->tf == TRANSFER_FUNCTION_SRGB)
dpp->funcs->dpp_program_regamma_pwl(dpp, NULL, OPP_REGAMMA_SRGB);
else if (dcn10_translate_regamma_to_hw_format(stream->out_transfer_func, &dpp->regamma_params))
dpp->funcs->dpp_program_regamma_pwl(dpp, &dpp->regamma_params, OPP_REGAMMA_USER);
else
/* dcn10_translate_regamma_to_hw_format takes 750us, only do it when full
* update.
*/
else if (dcn10_translate_regamma_to_hw_format(
stream->out_transfer_func,
&dpp->regamma_params)) {
dpp->funcs->dpp_program_regamma_pwl(
dpp,
&dpp->regamma_params, OPP_REGAMMA_USER);
} else
dpp->funcs->dpp_program_regamma_pwl(dpp, NULL, OPP_REGAMMA_BYPASS);
return true;
@ -2076,16 +2084,17 @@ static void program_all_pipe_in_tree(
update_dchubp_dpp(dc, pipe_ctx, context);
if (cur_pipe_ctx->plane_state != pipe_ctx->plane_state) {
if (cur_pipe_ctx->plane_state != pipe_ctx->plane_state)
dc->hwss.set_input_transfer_func(pipe_ctx, pipe_ctx->plane_state);
}
/*
/* dcn10_translate_regamma_to_hw_format takes 750us to finish
* only do gamma programming for full update.
* TODO: This can be further optimized/cleaned up
* Always call this for now since it does memcmp inside before
* doing heavy calculation and programming
*/
dc->hwss.set_output_transfer_func(pipe_ctx, pipe_ctx->stream);
if (pipe_ctx->plane_state->update_flags.bits.full_update)
dc->hwss.set_output_transfer_func(pipe_ctx, pipe_ctx->stream);
}
if (dc->debug.sanity_checks) {