From: Ray Wu <ray.wu@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Harry Wentland <harry.wentland@amd.com>,
Leo Li <sunpeng.li@amd.com>,
Aurabindo Pillai <aurabindo.pillai@amd.com>,
Roman Li <roman.li@amd.com>, Wayne Lin <wayne.lin@amd.com>,
Tom Chung <chiahsuan.chung@amd.com>,
"Fangzhi Zuo" <jerry.zuo@amd.com>,
Zaeem Mohamed <zaeem.mohamed@amd.com>,
"Daniel Wheeler" <daniel.wheeler@amd.com>,
Alex Hung <alex.hung@amd.com>, Ray Wu <ray.wu@amd.com>
Subject: [PATCH 14/28] drm/amd/display: Allow 0 dtbclk for DCN35 and above
Date: Mon, 28 Apr 2025 21:50:44 +0800 [thread overview]
Message-ID: <20250428135514.20775-15-ray.wu@amd.com> (raw)
In-Reply-To: <20250428135514.20775-1-ray.wu@amd.com>
From: Leo Li <sunpeng.li@amd.com>
[Why & How]
0 dtbclk is supported by ASICs with DCN35 and above, so allow it during
driver init.
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index bd71f911e279..cd6e7aa91040 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2106,6 +2106,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
init_data.flags.disable_ips_in_vpb = 0;
+ /* DCN35 and above supports dtb clk disable */
+ if (amdgpu_ip_version(adev, DCE_HWIP, 0) >= IP_VERSION(3, 5, 0))
+ init_data.flags.allow_0_dtb_clk = true;
+
/* Enable DWB for tested platforms only */
if (amdgpu_ip_version(adev, DCE_HWIP, 0) >= IP_VERSION(3, 0, 0))
init_data.num_virtual_links = 1;
--
2.43.0
next prev parent reply other threads:[~2025-04-28 13:56 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-28 13:50 [PATCH 00/28] DC Patches May 05 2025 Ray Wu
2025-04-28 13:50 ` [PATCH 01/28] drm/amd/display: Update IPS sequential_ono requirement checks Ray Wu
2025-04-28 13:50 ` [PATCH 02/28] drm/amd/display: Refactoring DSC enum dsc_bits_per_comp Ray Wu
2025-04-28 13:50 ` [PATCH 03/28] drm/amd/display: Promote DAL to 3.2.330 Ray Wu
2025-04-28 13:50 ` [PATCH 04/28] drm/amd/display: Always Scale Flag Ray Wu
2025-04-28 13:50 ` [PATCH 05/28] drm/amd/display: Remove redundant null check Ray Wu
2025-04-28 13:50 ` [PATCH 06/28] drm/amd/display: Fix invalid context error in dml helper Ray Wu
2025-04-28 13:50 ` [PATCH 07/28] drm/amd/display: Prepare for Fused I2C-over-AUX Ray Wu
2025-04-28 13:50 ` [PATCH 08/28] Revert "drm/amd/display: Refactor SubVP cursor limiting logic" Ray Wu
2025-04-28 13:50 ` [PATCH 09/28] drm/amd/display: allow dscclk disable Ray Wu
2025-04-28 13:50 ` [PATCH 10/28] drm/amd/display: more liberal vmin/vmax update for freesync Ray Wu
2025-04-28 13:50 ` [PATCH 11/28] drm/amd/display: disable DPP RCG before DPP CLK enable Ray Wu
2025-04-28 13:50 ` [PATCH 12/28] drm/amd/display: [FW Promotion] Release 0.1.8.0 Ray Wu
2025-04-28 13:50 ` [PATCH 13/28] drm/amd/display: Promote DAL to 3.2.331 Ray Wu
2025-04-28 13:50 ` Ray Wu [this message]
2025-04-28 13:50 ` [PATCH 15/28] Revert "drm/amd/display: turn off eDP lcdvdd and backlight if not required" Ray Wu
2025-04-28 13:50 ` [PATCH 16/28] drm/amd/display: Add skip rIOMMU dc config option Ray Wu
2025-04-28 13:50 ` [PATCH 17/28] drm/amd/display: Send IPSExit unconditionally Ray Wu
2025-04-28 13:50 ` [PATCH 18/28] drm/amd/display: Remove unnecessary DC_FP_START/DC_FP_END Ray Wu
2025-04-29 15:04 ` Alex Deucher
2025-04-29 16:01 ` Alex Hung
2025-04-29 16:03 ` Alex Deucher
2025-04-28 13:50 ` [PATCH 19/28] drm/amd/display: Call FP Protect Before Mode Programming/Mode Support Ray Wu
2025-04-28 13:50 ` [PATCH 20/28] drm/amd/display: DML21 Fixes Ray Wu
2025-04-28 13:50 ` [PATCH 21/28] drm/amd/display: Refactor SubVP cursor limiting logic Ray Wu
2025-04-28 13:50 ` [PATCH 22/28] drm/amd/display: Shift DMUB AUX reply command if necessary Ray Wu
2025-04-28 13:50 ` [PATCH 23/28] drm/amd/display: Fix the checking condition in dmub aux handling Ray Wu
2025-04-28 13:50 ` [PATCH 24/28] drm/amd/display: Remove incorrect checking in dmub aux handler Ray Wu
2025-04-28 13:50 ` [PATCH 25/28] drm/amd/display: Copy AUX read reply data whenever length > 0 Ray Wu
2025-04-28 13:50 ` [PATCH 26/28] drm/amd/display: Fix wrong handling for AUX_DEFER case Ray Wu
2025-04-28 13:50 ` [PATCH 27/28] drm/amd/display: Assign preferred stream encoder instance to dpia Ray Wu
2025-04-28 13:50 ` [PATCH 28/28] drm/amd/display: Only wait for required free space in DMUB mailbox Ray Wu
2025-05-05 13:13 ` [PATCH 00/28] DC Patches May 05 2025 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=20250428135514.20775-15-ray.wu@amd.com \
--to=ray.wu@amd.com \
--cc=alex.hung@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=aurabindo.pillai@amd.com \
--cc=chiahsuan.chung@amd.com \
--cc=daniel.wheeler@amd.com \
--cc=harry.wentland@amd.com \
--cc=jerry.zuo@amd.com \
--cc=roman.li@amd.com \
--cc=sunpeng.li@amd.com \
--cc=wayne.lin@amd.com \
--cc=zaeem.mohamed@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