Revert "drm/amd/display: Add Underflow Asserts to dc"

This reverts commit 9ed43ef84d9d1e668acdf43c95510fb7b11f8d71.

Revert this to apply the version that includes DCN2 support.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 9aa01bf..ffd1fe5 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -329,7 +329,6 @@ struct dc_debug_options {
        int sr_exit_time_ns;
        int sr_enter_plus_exit_time_ns;
        int urgent_latency_ns;
-       uint32_t underflow_assert_delay_us;
        int percent_of_ideal_drambw;
        int dram_clock_change_latency_ns;
        bool optimized_watermark;

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 1ac9a4f..316e0da 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -361,23 +361,6 @@ void dcn10_log_hw_state(struct dc *dc,
        DTN_INFO_END();
 }
 
-bool dcn10_did_underflow_occur(struct dc *dc, struct pipe_ctx *pipe_ctx)
-{
-       struct hubp *hubp = pipe_ctx->plane_res.hubp;
-       struct timing_generator *tg = pipe_ctx->stream_res.tg;
-
-       if (tg->funcs->is_optc_underflow_occurred(tg)) {
-               tg->funcs->clear_optc_underflow(tg);
-               return true;
-       }
-
-       if (hubp->funcs->hubp_get_underflow_status(hubp)) {
-               hubp->funcs->hubp_clear_underflow(hubp);
-               return true;
-       }
-       return false;
-}
-
 static void enable_power_gating_plane(
        struct dce_hwseq *hws,
        bool enable)
@@ -2350,7 +2333,6 @@ static void dcn10_apply_ctx_for_surface(
 {
        int i;
        struct timing_generator *tg;
-       uint32_t underflow_check_delay_us;
        bool removed_pipe[4] = { false };
        bool interdependent_update = false;
        struct pipe_ctx *top_pipe_to_program =
@@ -2365,22 +2347,11 @@ static void dcn10_apply_ctx_for_surface(
        interdependent_update = top_pipe_to_program->plane_state &&
                top_pipe_to_program->plane_state->update_flags.bits.full_update;
 
-       underflow_check_delay_us = dc->debug.underflow_assert_delay_us;
-
-       if (underflow_check_delay_us != 0xFFFFFFFF && dc->hwss.did_underflow_occur)
-               ASSERT(dc->hwss.did_underflow_occur(dc, top_pipe_to_program));
-
        if (interdependent_update)
                lock_all_pipes(dc, context, true);
        else
                dcn10_pipe_control_lock(dc, top_pipe_to_program, true);
 
-       if (underflow_check_delay_us != 0xFFFFFFFF)
-               udelay(underflow_check_delay_us);
-
-       if (underflow_check_delay_us != 0xFFFFFFFF && dc->hwss.did_underflow_occur)
-               ASSERT(dc->hwss.did_underflow_occur(dc, top_pipe_to_program));
-
        if (num_planes == 0) {
                /* OTG blank before remove all front end */
                dc->hwss.blank_pixel_data(dc, top_pipe_to_program, true);
@@ -3052,8 +3023,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = {
        .disable_stream_gating = NULL,
        .enable_stream_gating = NULL,
        .setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
-       .setup_vupdate_interrupt = dcn10_setup_vupdate_interrupt,
-       .did_underflow_occur = dcn10_did_underflow_occur
+       .setup_vupdate_interrupt = dcn10_setup_vupdate_interrupt
 };
 
 

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h
index d3616b1..ef94d6b 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h
@@ -71,8 +71,6 @@ void dcn10_get_hdr_visual_confirm_color(
                struct pipe_ctx *pipe_ctx,
                struct tg_color *color);
 
-bool dcn10_did_underflow_occur(struct dc *dc, struct pipe_ctx *pipe_ctx);
-
 void update_dchubp_dpp(
        struct dc *dc,
        struct pipe_ctx *pipe_ctx,

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index 29fd3cb..f6004bc 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -560,7 +560,6 @@ static const struct dc_debug_options debug_defaults_drv = {
                .az_endpoint_mute_only = true,
                .recovery_enabled = false, /*enable this by default after testing.*/
                .max_downscale_src_width = 3840,
-               .underflow_assert_delay_us = 0xFFFFFFFF,
 };
 
 static const struct dc_debug_options debug_defaults_diags = {
@@ -570,8 +569,7 @@ static const struct dc_debug_options debug_defaults_diags = {
                .clock_trace = true,
                .disable_stutter = true,
                .disable_pplib_clock_request = true,
-               .disable_pplib_wm_range = true,
-               .underflow_assert_delay_us = 0xFFFFFFFF,
+               .disable_pplib_wm_range = true
 };
 
 static void dcn10_dpp_destroy(struct dpp **dpp)

diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index dab0168..eb1c12e 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -240,7 +240,6 @@ struct hw_sequencer_funcs {
 
        void (*setup_periodic_interrupt)(struct pipe_ctx *pipe_ctx, enum vline_select vline);
        void (*setup_vupdate_interrupt)(struct pipe_ctx *pipe_ctx);
-       bool (*did_underflow_occur)(struct dc *dc, struct pipe_ctx *pipe_ctx);
 
 };