linux-kernel - [PATCH 3/3] Revert "drm/amd/display: Limit max DSC target bpp for specific monitors"

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 24 Oct 2022 15:22:23 -0400
From:   Hamza Mahfooz <hamza.mahfooz@....com>
To:     <linux-kernel@...r.kernel.org>
CC:     Roman Li <roman.li@....com>, Hamza Mahfooz <hamza.mahfooz@....com>,
        "Harry Wentland" <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        "Rodrigo Siqueira" <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Nicholas Kazlauskas <nicholas.kazlauskas@....com>,
        Aurabindo Pillai <aurabindo.pillai@....com>,
        Wayne Lin <Wayne.Lin@....com>, Fangzhi Zuo <Jerry.Zuo@....com>,
        Lyude Paul <lyude@...hat.com>, Ian Chen <ian.chen@....com>,
        Bhawanpreet Lakha <Bhawanpreet.Lakha@....com>,
        Claudio Suarez <cssk@...-c.es>,
        Colin Ian King <colin.king@...el.com>,
        hersen wu <hersenxs.wu@....com>,
        <amd-gfx@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>
Subject: [PATCH 3/3] Revert "drm/amd/display: Limit max DSC target bpp for specific monitors"

This reverts commit 55eea8ef98641f6e1e1c202bd3a49a57c1dd4059.

This quirk is now handled in the DRM core, so we can drop all of
the internal code that was added to handle it.

Signed-off-by: Hamza Mahfooz <hamza.mahfooz@....com>
---
 .../amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 35 -------------------
 1 file changed, 35 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 4956a0118215..a21e2ba77ddb 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -41,39 +41,6 @@
 #include "dm_helpers.h"
 #include "ddc_service_types.h"
 
-struct monitor_patch_info {
-	unsigned int manufacturer_id;
-	unsigned int product_id;
-	void (*patch_func)(struct dc_edid_caps *edid_caps, unsigned int param);
-	unsigned int patch_param;
-};
-static void set_max_dsc_bpp_limit(struct dc_edid_caps *edid_caps, unsigned int param);
-
-static const struct monitor_patch_info monitor_patch_table[] = {
-{0x6D1E, 0x5BBF, set_max_dsc_bpp_limit, 15},
-{0x6D1E, 0x5B9A, set_max_dsc_bpp_limit, 15},
-};
-
-static void set_max_dsc_bpp_limit(struct dc_edid_caps *edid_caps, unsigned int param)
-{
-	if (edid_caps)
-		edid_caps->panel_patch.max_dsc_target_bpp_limit = param;
-}
-
-static int amdgpu_dm_patch_edid_caps(struct dc_edid_caps *edid_caps)
-{
-	int i, ret = 0;
-
-	for (i = 0; i < ARRAY_SIZE(monitor_patch_table); i++)
-		if ((edid_caps->manufacturer_id == monitor_patch_table[i].manufacturer_id)
-			&&  (edid_caps->product_id == monitor_patch_table[i].product_id)) {
-			monitor_patch_table[i].patch_func(edid_caps, monitor_patch_table[i].patch_param);
-			ret++;
-		}
-
-	return ret;
-}
-
 /* dm_helpers_parse_edid_caps
  *
  * Parse edid caps
@@ -148,8 +115,6 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
 	kfree(sads);
 	kfree(sadb);
 
-	amdgpu_dm_patch_edid_caps(edid_caps);
-
 	return result;
 }
 
-- 
2.38.0