[RFC PATCH v2 4/5] drm/amd/display: hook DCN30 color state logging to DTN log

Harry Wentland harry.wentland at amd.com
Mon Sep 25 16:03:06 UTC 2023



On 2023-09-13 12:43, Melissa Wen wrote:
> Color caps changed between HW versions which caused DCN10 color state
> sections on DTN log no longer fit DCN3.0 versions. Create a
> DCN3.0-specific color state logging and hook it to drivers of DCN3.0
> family.
> 
> rfc-v2:
> - detail RAM mode for gamcor and blnd gamma blocks
> 
> Signed-off-by: Melissa Wen <mwen at igalia.com>
> ---
>  .../amd/display/dc/dcn10/dcn10_hw_sequencer.c |  5 +-
>  .../drm/amd/display/dc/dcn30/dcn30_hwseq.c    | 88 +++++++++++++++++++
>  .../drm/amd/display/dc/dcn30/dcn30_hwseq.h    |  3 +
>  .../gpu/drm/amd/display/dc/dcn30/dcn30_init.c |  1 +
>  .../drm/amd/display/dc/dcn301/dcn301_init.c   |  1 +
>  .../gpu/drm/amd/display/dc/inc/hw_sequencer.h |  2 +
>  6 files changed, 99 insertions(+), 1 deletion(-)
> 
> 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 a0c489ed218c..9255425ef794 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
> @@ -358,7 +358,10 @@ void dcn10_log_hw_state(struct dc *dc,
>  
>  	dcn10_log_hubp_states(dc, log_ctx);
>  
> -	dcn10_log_color_state(dc, log_ctx);
> +	if (dc->hwss.log_color_state)
> +		dc->hwss.log_color_state(dc, log_ctx);
> +	else
> +		dcn10_log_color_state(dc, log_ctx);
>  
>  	DTN_INFO("OTG:  v_bs  v_be  v_ss  v_se  vpol  vmax  vmin  vmax_sel  vmin_sel  h_bs  h_be  h_ss  h_se  hpol  htot  vtot  underflow blank_en\n");
>  
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
> index 255713ec29bb..47119ae80e98 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
> @@ -69,6 +69,94 @@
>  #define FN(reg_name, field_name) \
>  	hws->shifts->field_name, hws->masks->field_name
>  
> +void
> +dcn30_log_color_state(struct dc *dc,
> +		      struct dc_log_buffer_ctx *log_ctx)
> +{
> +	struct dc_context *dc_ctx = dc->ctx;
> +	struct resource_pool *pool = dc->res_pool;
> +	int i;
> +
> +	DTN_INFO("DPP:  DGAM ROM  DGAM ROM type  DGAM LUT  SHAPER mode"
> +		 "  3DLUT mode  3DLUT bit depth  3DLUT size  RGAM mode"
> +		 "  GAMUT mode  "
> +		 "C11 C12   C13 C14   C21 C22   C23 C24   C31 C32   C33 C34\n");
> +
> +	for (i = 0; i < pool->pipe_count; i++) {
> +		struct dpp *dpp = pool->dpps[i];
> +		struct dcn_dpp_state s = {0};
> +
> +		dpp->funcs->dpp_read_state(dpp, &s);
> +
> +		if (!s.is_enabled)
> +			continue;
> +
> +		DTN_INFO("[%2d]:  %7x  %13s  %8s  %11s  %10s  %15s  %10s  %9s"
> +			 "  %10x  %08xh %08xh %08xh %08xh %08xh %08xh",
> +			dpp->inst,
> +			s.pre_dgam_mode,
> +			(s.pre_dgam_select == 0) ? "sRGB" :
> +			 ((s.pre_dgam_select == 1) ? "Gamma 2.2" :
> +			 ((s.pre_dgam_select == 2) ? "Gamma 2.4" :
> +			 ((s.pre_dgam_select == 3) ? "Gamma 2.6" :
> +			 ((s.pre_dgam_select == 4) ? "BT.709" :
> +			 ((s.pre_dgam_select == 5) ? "PQ" :
> +			 ((s.pre_dgam_select == 6) ? "HLG" :
> +						     "Unknown")))))),
> +			(s.gamcor_mode == 0) ? "Bypass" :
> +			 ((s.gamcor_mode == 1) ? "RAM A" :
> +						 "RAM B"),
> +			(s.shaper_lut_mode == 1) ? "RAM A" :
> +			 ((s.shaper_lut_mode == 2) ? "RAM B" :
> +						     "Bypass"),
> +			(s.lut3d_mode == 1) ? "RAM A" :
> +			 ((s.lut3d_mode == 2) ? "RAM B" :
> +						"Bypass"),
> +			(s.lut3d_bit_depth <= 0) ? "12-bit" : "10-bit",
> +			(s.lut3d_size == 0) ? "17x17x17" : "9x9x9",
> +			(s.rgam_lut_mode == 0) ? "Bypass" :
> +			 ((s.rgam_lut_mode == 1) ? "RAM A" :
> +						   "RAM B"),
> +			s.gamut_remap_mode,
> +			s.gamut_remap_c11_c12, s.gamut_remap_c13_c14,
> +			s.gamut_remap_c21_c22, s.gamut_remap_c23_c24,
> +			s.gamut_remap_c31_c32, s.gamut_remap_c33_c34);
> +		DTN_INFO("\n");
> +	}
> +	DTN_INFO("\n");
> +
> +	DTN_INFO("MPCC:  OPP  DPP  MPCCBOT  MODE  ALPHA_MODE  PREMULT  OVERLAP_ONLY  IDLE"
> +		 "  SHAPER mode  3DLUT mode  3DLUT bit-depth  3DLUT size  OGAM mode  OGAM LUT"
> +		 "  GAMUT mode  C11 C12   C33 C34\n");
> +
> +	for (i = 0; i < pool->pipe_count; i++) {
> +		struct mpcc_state s = {0};
> +
> +		pool->mpc->funcs->read_mpcc_state(pool->mpc, i, &s);
> +		if (s.opp_id != 0xf)
> +			DTN_INFO("[%2d]:  %2xh  %2xh  %6xh  %4d  %10d  %7d  %12d  %4d  %11s %11s %16s %11s %10s %9s"
> +				 "  %10x %08xh %08xh\n",
> +				i, s.opp_id, s.dpp_id, s.bot_mpcc_id,
> +				s.mode, s.alpha_mode, s.pre_multiplied_alpha, s.overlap_only,
> +				s.idle,
> +				(s.shaper_lut_mode == 1) ? "RAM A" :
> +				 ((s.shaper_lut_mode == 2) ? "RAM B" :
> +							     "Bypass"),
> +				(s.lut3d_mode == 1) ? "RAM A" :
> +				 ((s.lut3d_mode == 2) ? "RAM B" :
> +							"Bypass"),
> +				(s.lut3d_bit_depth <= 0) ? "12-bit" : "10-bit",
> +				(s.lut3d_size == 0) ? "17x17x17" : "9x9x9",
> +				(s.rgam_mode == 0) ? "Bypass" :
> +				 ((s.rgam_mode == 2) ? "RAM" :
> +						       "Unknown"),
> +				(s.rgam_mode == 1) ? "B" : "A",
> +				s.gamut_remap_mode,
> +				s.gamut_remap_c11_c12, s.gamut_remap_c33_c34);
> +	}
> +	DTN_INFO("\n");
> +}
> +
>  bool dcn30_set_blend_lut(
>  	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
>  {
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.h
> index ce19c54097f8..cfb3646d6740 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.h
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.h
> @@ -52,6 +52,9 @@ bool dcn30_mmhubbub_warmup(
>  	unsigned int num_dwb,
>  	struct dc_writeback_info *wb_info);
>  
> +void dcn30_log_color_state(struct dc *dc,
> +			   struct dc_log_buffer_ctx *log_ctx);
> +
>  bool dcn30_set_blend_lut(struct pipe_ctx *pipe_ctx,
>  		const struct dc_plane_state *plane_state);
>  
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c
> index 0de8b2783cf6..58e4d7e1753b 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c
> @@ -68,6 +68,7 @@ static const struct hw_sequencer_funcs dcn30_funcs = {
>  	.setup_stereo = dcn10_setup_stereo,
>  	.set_avmute = dcn30_set_avmute,
>  	.log_hw_state = dcn10_log_hw_state,
> +	.log_color_state = dcn30_log_color_state,
>  	.get_hw_state = dcn10_get_hw_state,
>  	.clear_status_bits = dcn10_clear_status_bits,
>  	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_init.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_init.c
> index 61205cdbe2d5..227e611f25b8 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_init.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_init.c
> @@ -72,6 +72,7 @@ static const struct hw_sequencer_funcs dcn301_funcs = {
>  	.setup_stereo = dcn10_setup_stereo,
>  	.set_avmute = dcn30_set_avmute,
>  	.log_hw_state = dcn10_log_hw_state,
> +	.log_color_state = dcn30_log_color_state,

Can we do this for all dcn3+ versions?

Harry

>  	.get_hw_state = dcn10_get_hw_state,
>  	.clear_status_bits = dcn10_clear_status_bits,
>  	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
> 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 e0dd56182841..a480c1092486 100644
> --- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
> +++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
> @@ -343,6 +343,8 @@ struct hw_sequencer_funcs {
>  
>  	/* HW State Logging Related */
>  	void (*log_hw_state)(struct dc *dc, struct dc_log_buffer_ctx *log_ctx);
> +	void (*log_color_state)(struct dc *dc,
> +				struct dc_log_buffer_ctx *log_ctx);
>  	void (*get_hw_state)(struct dc *dc, char *pBuf,
>  			unsigned int bufSize, unsigned int mask);
>  	void (*clear_status_bits)(struct dc *dc, unsigned int mask);



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