AMD-GFX Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Anson Jacob <Anson.Jacob@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,
	Anson Jacob <anson.jacob@amd.com>,
	Aurabindo.Pillai@amd.com, Bing Guo <bing.guo@amd.com>,
	Jun Lei <Jun.Lei@amd.com>,
	Bhawanpreet.Lakha@amd.com, bindu.r@amd.com
Subject: [PATCH 12/16] drm/amd/display: Fix dml20v2_ModeSupportAndSystemConfigurationFull() to check DesiredBPP.
Date: Fri, 15 Jan 2021 12:27:14 -0500	[thread overview]
Message-ID: <20210115172714.126866-13-Anson.Jacob@amd.com> (raw)
In-Reply-To: <20210115172714.126866-1-Anson.Jacob@amd.com>

From: Bing Guo <bing.guo@amd.com>

Why:
dml20v2_ModeSupportAndSystemConfigurationFull() didn't check against
DesiredBPP, so it doesn't work correctly when DesiredBPP can't be satisfied.

How:
Port the TruncToValidBPP() version from display_mode_vba_21.c to
display_mode_vba_20v2.c.

Signed-off-by: Bing Guo <bing.guo@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <anson.jacob@amd.com>
---
 .../dc/dml/dcn20/display_mode_vba_20v2.c      | 117 ++++++++++++------
 1 file changed, 79 insertions(+), 38 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
index 80170f9721ce..47e8e71113ee 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
@@ -3263,6 +3263,7 @@ static void CalculateFlipSchedule(
 
 static unsigned int TruncToValidBPP(
 		double DecimalBPP,
+		double DesiredBPP,
 		bool DSCEnabled,
 		enum output_encoder_class Output,
 		enum output_format_class Format,
@@ -3270,31 +3271,31 @@ static unsigned int TruncToValidBPP(
 {
 	if (Output == dm_hdmi) {
 		if (Format == dm_420) {
-			if (DecimalBPP >= 18)
+			if (DecimalBPP >= 18 && (DesiredBPP == 0 || DesiredBPP == 18))
 				return 18;
-			else if (DecimalBPP >= 15)
+			else if (DecimalBPP >= 15 && (DesiredBPP == 0 || DesiredBPP == 15))
 				return 15;
-			else if (DecimalBPP >= 12)
+			else if (DecimalBPP >= 12 && (DesiredBPP == 0 || DesiredBPP == 12))
 				return 12;
 			else
 				return BPP_INVALID;
 		} else if (Format == dm_444) {
-			if (DecimalBPP >= 36)
+			if (DecimalBPP >= 36 && (DesiredBPP == 0 || DesiredBPP == 36))
 				return 36;
-			else if (DecimalBPP >= 30)
+			else if (DecimalBPP >= 30 && (DesiredBPP == 0 || DesiredBPP == 30))
 				return 30;
-			else if (DecimalBPP >= 24)
+			else if (DecimalBPP >= 24 && (DesiredBPP == 0 || DesiredBPP == 24))
 				return 24;
-			else if (DecimalBPP >= 18)
+			else if (DecimalBPP >= 18 && (DesiredBPP == 0 || DesiredBPP == 18))
 				return 18;
 			else
 				return BPP_INVALID;
 		} else {
-			if (DecimalBPP / 1.5 >= 24)
+			if (DecimalBPP / 1.5 >= 24 && (DesiredBPP == 0 || DesiredBPP == 24))
 				return 24;
-			else if (DecimalBPP / 1.5 >= 20)
+			else if (DecimalBPP / 1.5 >= 20 && (DesiredBPP == 0 || DesiredBPP == 20))
 				return 20;
-			else if (DecimalBPP / 1.5 >= 16)
+			else if (DecimalBPP / 1.5 >= 16 && (DesiredBPP == 0 || DesiredBPP == 16))
 				return 16;
 			else
 				return BPP_INVALID;
@@ -3302,53 +3303,86 @@ static unsigned int TruncToValidBPP(
 	} else {
 		if (DSCEnabled) {
 			if (Format == dm_420) {
-				if (DecimalBPP < 6)
-					return BPP_INVALID;
-				else if (DecimalBPP >= 1.5 * DSCInputBitPerComponent - 1 / 16)
-					return 1.5 * DSCInputBitPerComponent - 1 / 16;
-				else
-					return dml_floor(16 * DecimalBPP, 1) / 16;
+				if (DesiredBPP == 0) {
+					if (DecimalBPP < 6)
+						return BPP_INVALID;
+					else if (DecimalBPP >= 1.5 * DSCInputBitPerComponent - 1.0 / 16.0)
+						return 1.5 * DSCInputBitPerComponent - 1.0 / 16.0;
+					else
+						return dml_floor(16 * DecimalBPP, 1) / 16.0;
+				} else {
+					if (DecimalBPP < 6
+							|| DesiredBPP < 6
+							|| DesiredBPP > 1.5 * DSCInputBitPerComponent - 1.0 / 16.0
+							|| DecimalBPP < DesiredBPP) {
+						return BPP_INVALID;
+					} else {
+						return DesiredBPP;
+					}
+				}
 			} else if (Format == dm_n422) {
-				if (DecimalBPP < 7)
-					return BPP_INVALID;
-				else if (DecimalBPP >= 2 * DSCInputBitPerComponent - 1 / 16)
-					return 2 * DSCInputBitPerComponent - 1 / 16;
-				else
-					return dml_floor(16 * DecimalBPP, 1) / 16;
+				if (DesiredBPP == 0) {
+					if (DecimalBPP < 7)
+						return BPP_INVALID;
+					else if (DecimalBPP >= 2 * DSCInputBitPerComponent - 1.0 / 16.0)
+						return 2 * DSCInputBitPerComponent - 1.0 / 16.0;
+					else
+						return dml_floor(16 * DecimalBPP, 1) / 16.0;
+				} else {
+					if (DecimalBPP < 7
+							|| DesiredBPP < 7
+							|| DesiredBPP > 2 * DSCInputBitPerComponent - 1.0 / 16.0
+							|| DecimalBPP < DesiredBPP) {
+						return BPP_INVALID;
+					} else {
+						return DesiredBPP;
+					}
+				}
 			} else {
-				if (DecimalBPP < 8)
-					return BPP_INVALID;
-				else if (DecimalBPP >= 3 * DSCInputBitPerComponent - 1 / 16)
-					return 3 * DSCInputBitPerComponent - 1 / 16;
-				else
-					return dml_floor(16 * DecimalBPP, 1) / 16;
+				if (DesiredBPP == 0) {
+					if (DecimalBPP < 8)
+						return BPP_INVALID;
+					else if (DecimalBPP >= 3 * DSCInputBitPerComponent - 1.0 / 16.0)
+						return 3 * DSCInputBitPerComponent - 1.0 / 16.0;
+					else
+						return dml_floor(16 * DecimalBPP, 1) / 16.0;
+				} else {
+					if (DecimalBPP < 8
+							|| DesiredBPP < 8
+							|| DesiredBPP > 3 * DSCInputBitPerComponent - 1.0 / 16.0
+							|| DecimalBPP < DesiredBPP) {
+						return BPP_INVALID;
+					} else {
+						return DesiredBPP;
+					}
+				}
 			}
 		} else if (Format == dm_420) {
-			if (DecimalBPP >= 18)
+			if (DecimalBPP >= 18 && (DesiredBPP == 0 || DesiredBPP == 18))
 				return 18;
-			else if (DecimalBPP >= 15)
+			else if (DecimalBPP >= 15 && (DesiredBPP == 0 || DesiredBPP == 15))
 				return 15;
-			else if (DecimalBPP >= 12)
+			else if (DecimalBPP >= 12 && (DesiredBPP == 0 || DesiredBPP == 12))
 				return 12;
 			else
 				return BPP_INVALID;
 		} else if (Format == dm_s422 || Format == dm_n422) {
-			if (DecimalBPP >= 24)
+			if (DecimalBPP >= 24 && (DesiredBPP == 0 || DesiredBPP == 24))
 				return 24;
-			else if (DecimalBPP >= 20)
+			else if (DecimalBPP >= 20 && (DesiredBPP == 0 || DesiredBPP == 20))
 				return 20;
-			else if (DecimalBPP >= 16)
+			else if (DecimalBPP >= 16 && (DesiredBPP == 0 || DesiredBPP == 16))
 				return 16;
 			else
 				return BPP_INVALID;
 		} else {
-			if (DecimalBPP >= 36)
+			if (DecimalBPP >= 36 && (DesiredBPP == 0 || DesiredBPP == 36))
 				return 36;
-			else if (DecimalBPP >= 30)
+			else if (DecimalBPP >= 30 && (DesiredBPP == 0 || DesiredBPP == 30))
 				return 30;
-			else if (DecimalBPP >= 24)
+			else if (DecimalBPP >= 24 && (DesiredBPP == 0 || DesiredBPP == 24))
 				return 24;
-			else if (DecimalBPP >= 18)
+			else if (DecimalBPP >= 18 && (DesiredBPP == 0 || DesiredBPP == 18))
 				return 18;
 			else
 				return BPP_INVALID;
@@ -4137,6 +4171,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 					locals->RequiresFEC[i][k] = 0;
 					locals->OutputBppPerState[i][k] = TruncToValidBPP(
 							dml_min(600.0, mode_lib->vba.PHYCLKPerState[i]) / mode_lib->vba.PixelClockBackEnd[k] * 24,
+							mode_lib->vba.ForcedOutputLinkBPP[k],
 							false,
 							mode_lib->vba.Output[k],
 							mode_lib->vba.OutputFormat[k],
@@ -4153,6 +4188,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 						mode_lib->vba.Outbpp = TruncToValidBPP(
 								(1.0 - mode_lib->vba.Downspreading / 100.0) * 270.0
 								* mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0,
+								mode_lib->vba.ForcedOutputLinkBPP[k],
 								false,
 								mode_lib->vba.Output[k],
 								mode_lib->vba.OutputFormat[k],
@@ -4160,6 +4196,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 						mode_lib->vba.OutbppDSC = TruncToValidBPP(
 								(1.0 - mode_lib->vba.Downspreading / 100.0) * (1.0 - mode_lib->vba.EffectiveFECOverhead / 100.0) * 270.0
 								* mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0,
+								mode_lib->vba.ForcedOutputLinkBPP[k],
 								true,
 								mode_lib->vba.Output[k],
 								mode_lib->vba.OutputFormat[k],
@@ -4182,6 +4219,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 						mode_lib->vba.Outbpp = TruncToValidBPP(
 								(1.0 - mode_lib->vba.Downspreading / 100.0) * 540.0
 								* mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0,
+								mode_lib->vba.ForcedOutputLinkBPP[k],
 									false,
 									mode_lib->vba.Output[k],
 									mode_lib->vba.OutputFormat[k],
@@ -4189,6 +4227,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 						mode_lib->vba.OutbppDSC = TruncToValidBPP(
 								(1.0 - mode_lib->vba.Downspreading / 100.0) * (1.0 - mode_lib->vba.EffectiveFECOverhead / 100.0) * 540.0
 								* mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0,
+								mode_lib->vba.ForcedOutputLinkBPP[k],
 								true,
 								mode_lib->vba.Output[k],
 								mode_lib->vba.OutputFormat[k],
@@ -4213,6 +4252,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 						mode_lib->vba.Outbpp = TruncToValidBPP(
 								(1.0 - mode_lib->vba.Downspreading / 100.0) * 810.0
 								* mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0,
+								mode_lib->vba.ForcedOutputLinkBPP[k],
 								false,
 								mode_lib->vba.Output[k],
 								mode_lib->vba.OutputFormat[k],
@@ -4220,6 +4260,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 						mode_lib->vba.OutbppDSC = TruncToValidBPP(
 								(1.0 - mode_lib->vba.Downspreading / 100.0) * (1.0 - mode_lib->vba.EffectiveFECOverhead / 100.0) * 810.0
 								* mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0,
+								mode_lib->vba.ForcedOutputLinkBPP[k],
 								true,
 								mode_lib->vba.Output[k],
 								mode_lib->vba.OutputFormat[k],
-- 
2.25.1

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

  parent reply	other threads:[~2021-01-15 17:31 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-15 17:26 [PATCH 00/16] DC Patches January 15, 2020 Anson Jacob
2021-01-15 17:27 ` [PATCH 01/16] drm/amd/display: Fixed corruptions on HPDRX link loss restore Anson Jacob
2021-01-15 17:27 ` [PATCH 02/16] drm/amd/display: disable FEC while using eDP Anson Jacob
2021-01-15 17:27 ` [PATCH 03/16] drm/amd/display: DCN2X Find Secondary Pipe properly in MPO + ODM Case Anson Jacob
2021-01-15 17:27 ` [PATCH 04/16] drm/amd/display: Use hardware sequencer functions for PG control Anson Jacob
2021-01-15 17:27 ` [PATCH 05/16] drm/amd/display: Report Freesync to vrr_range debugfs entry in DRM Anson Jacob
2021-01-15 17:27 ` [PATCH 06/16] drm/amd/display: Allow dmub srv hardware reset before HW init Anson Jacob
2021-01-15 17:27 ` [PATCH 07/16] drm/amd/display: Guard against NULL pointer deref when get_i2c_info fails Anson Jacob
2021-01-15 17:27 ` [PATCH 08/16] drm/amd/display: Fix reset sequence with driver direct DMCUB fw load Anson Jacob
2021-01-15 17:27 ` [PATCH 09/16] drm/amd/display: Change function decide_dp_link_settings to avoid infinite looping Anson Jacob
2021-01-15 17:27 ` [PATCH 10/16] drm/amd/display: Allow dmu_stg to support cached inbox for dmub Anson Jacob
2021-01-15 17:27 ` [PATCH 11/16] drm/amd/display: Log link/connector info provided in BIOS object table Anson Jacob
2021-01-15 17:27 ` Anson Jacob [this message]
2021-01-15 17:27 ` [PATCH 13/16] drm/amd/display: Allow PSTATE chnage when no displays are enabled Anson Jacob
2021-01-15 17:27 ` [PATCH 14/16] drm/amd/display: Update dram_clock_change_latency for DCN2.1 Anson Jacob
2021-01-15 17:27 ` [PATCH 15/16] drm/amd/display: [FW Promotion] Release 0.0.48 Anson Jacob
2021-01-15 17:27 ` [PATCH 16/16] drm/amd/display: 3.2.119 Anson Jacob
2021-01-18 12:04   ` Paul Menzel
2021-01-15 22:36 ` [PATCH 00/16] DC Patches January 15, 2020 Wheeler, Daniel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210115172714.126866-13-Anson.Jacob@amd.com \
    --to=anson.jacob@amd.com \
    --cc=Aurabindo.Pillai@amd.com \
    --cc=Bhawanpreet.Lakha@amd.com \
    --cc=Eryk.Brol@amd.com \
    --cc=Harry.Wentland@amd.com \
    --cc=Jun.Lei@amd.com \
    --cc=Qingqing.Zhuo@amd.com \
    --cc=Rodrigo.Siqueira@amd.com \
    --cc=Sunpeng.Li@amd.com \
    --cc=amd-gfx@lists.freedesktop.org \
    --cc=bindu.r@amd.com \
    --cc=bing.guo@amd.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox