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From: Bindu Ramamurthy <bindu.r@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Eryk.Brol@amd.com, Sunpeng.Li@amd.com, Harry.Wentland@amd.com,
	Qingqing.Zhuo@amd.com, Rodrigo.Siqueira@amd.com,
	roman.li@amd.com, Wenjing Liu <wenjing.liu@amd.com>,
	Aurabindo.Pillai@amd.com, Bhawanpreet.Lakha@amd.com,
	bindu.r@amd.com
Subject: [PATCH 07/17] drm/amd/display: minor restructuring of pbn calculation functions
Date: Fri, 13 Nov 2020 15:56:35 -0500	[thread overview]
Message-ID: <20201113205645.640981-8-bindu.r@amd.com> (raw)
In-Reply-To: <20201113205645.640981-1-bindu.r@amd.com>

From: Wenjing Liu <wenjing.liu@amd.com>

Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 858acd3df2bc..165fd2f3c80b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -2818,15 +2818,12 @@ static struct fixed31_32 get_pbn_per_slot(struct dc_stream_state *stream)
 	return dc_fixpt_div_int(mbytes_per_sec, 54);
 }
 
-static struct fixed31_32 get_pbn_from_timing(struct pipe_ctx *pipe_ctx)
+static struct fixed31_32 get_pbn_from_bw_in_kbps(uint64_t kbps)
 {
-	uint64_t kbps;
 	struct fixed31_32 peak_kbps;
 	uint32_t numerator;
 	uint32_t denominator;
 
-	kbps = dc_bandwidth_in_kbps_from_timing(&pipe_ctx->stream->timing);
-
 	/*
 	 * margin 5300ppm + 300ppm ~ 0.6% as per spec, factor is 1.006
 	 * The unit of 54/64Mbytes/sec is an arbitrary unit chosen based on
@@ -2846,6 +2843,14 @@ static struct fixed31_32 get_pbn_from_timing(struct pipe_ctx *pipe_ctx)
 	return peak_kbps;
 }
 
+static struct fixed31_32 get_pbn_from_timing(struct pipe_ctx *pipe_ctx)
+{
+	uint64_t kbps;
+
+	kbps = dc_bandwidth_in_kbps_from_timing(&pipe_ctx->stream->timing);
+	return get_pbn_from_bw_in_kbps(kbps);
+}
+
 static void update_mst_stream_alloc_table(
 	struct dc_link *link,
 	struct stream_encoder *stream_enc,
@@ -2873,6 +2878,7 @@ static void update_mst_stream_alloc_table(
 				proposed_table->stream_allocations[i].vcp_id) {
 
 				work_table[i] = *dc_alloc;
+				work_table[i].slot_count = proposed_table->stream_allocations[i].slot_count;
 				break; /* exit j loop */
 			}
 		}
-- 
2.25.1

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  parent reply	other threads:[~2020-11-13 20:58 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-13 20:56 [PATCH 00/17] DC Patches November 16, 2020 Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 01/17] drm/amd/display: Program dpp dto based on actual dpp clk Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 02/17] drm/amd/display: Hook up PSR residency command to DSAT Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 03/17] drm/amd/display: Populate hostvm parameter before DML calculation Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 04/17] drm/amd/display: Handle Unknown Result for SMU Periodic Retraining on DCN2.1 Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 05/17] drm/amd/display: remove unused dml variables Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 06/17] drm/amd/display: fix cursor calculation for 1xnY rotated display groups Bindu Ramamurthy
2020-11-13 20:56 ` Bindu Ramamurthy [this message]
2020-11-13 20:56 ` [PATCH 08/17] drm/amd/display: Detect dynamic backlight support in eDP sink Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 09/17] drm/amd/display: Add I2C memory low power support Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 10/17] drm/amd/display: set dpp dto as per requested clk for lower case Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 11/17] drm/amd/display: Add dual edp optimization flag Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 12/17] drm/amd/display: [FW Promotion] Release 0.0.42 Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 13/17] drm/amd/display: Expose new CRC window property Bindu Ramamurthy
2020-12-16 22:43   ` Daniel Vetter
2020-11-13 20:56 ` [PATCH 14/17] drm/amd/display: correct data type Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 15/17] drm/amd/display: 3.2.112 Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 16/17] drm/amd/display: Increase sr enter/exit in rn ddr4 watermark table Bindu Ramamurthy
2020-11-13 20:56 ` [PATCH 17/17] drm/amd/display: update vgh bounding box Bindu Ramamurthy

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