From: Solomon Chiu <solomon.chiu@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: stylon.wang@amd.com, Anthony Koo <Anthony.Koo@amd.com>,
Sunpeng.Li@amd.com, Harry.Wentland@amd.com,
qingqing.zhuo@amd.com, Rodrigo.Siqueira@amd.com,
roman.li@amd.com, muansari <muansari@amd.com>,
solomon.chiu@amd.com, Aurabindo.Pillai@amd.com,
wayne.lin@amd.com, Bhawanpreet.Lakha@amd.com,
agustin.gutierrez@amd.com, pavle.kotarac@amd.com
Subject: [PATCH 03/21] drm/amd/display: Helper function for ALPM initialization
Date: Sat, 9 Jul 2022 00:35:11 +0800 [thread overview]
Message-ID: <20220708163529.3534276-4-solomon.chiu@amd.com> (raw)
In-Reply-To: <20220708163529.3534276-1-solomon.chiu@amd.com>
From: muansari <muansari@amd.com>
[WHY]
Needed a helper function for ALPM DPCD initialization
[HOW]
Refactoring to put ALPM initialization in a helper function
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Muhammad Ansari <muansari@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 27 ++++++++++++-------
drivers/gpu/drm/amd/display/dc/dc_link.h | 2 ++
2 files changed, 19 insertions(+), 10 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 335ca5b14fa7..dbdeda60e9e2 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -2734,6 +2734,22 @@ static void enable_link_lvds(struct pipe_ctx *pipe_ctx)
}
+bool dc_power_alpm_dpcd_enable(struct dc_link *link, bool enable)
+{
+ bool ret = false;
+ union dpcd_alpm_configuration alpm_config;
+
+ if (link->psr_settings.psr_version == DC_PSR_VERSION_SU_1) {
+ memset(&alpm_config, 0, sizeof(alpm_config));
+
+ alpm_config.bits.ENABLE = (enable ? true : false);
+ ret = dm_helpers_dp_write_dpcd(link->ctx, link,
+ DP_RECEIVER_ALPM_CONFIG, &alpm_config.raw,
+ sizeof(alpm_config.raw));
+ }
+ return ret;
+}
+
/****************************enable_link***********************************/
static enum dc_status enable_link(
struct dc_state *state,
@@ -3228,7 +3244,6 @@ bool dc_link_setup_psr(struct dc_link *link,
unsigned int panel_inst;
/* updateSinkPsrDpcdConfig*/
union dpcd_psr_configuration psr_configuration;
- union dpcd_alpm_configuration alpm_configuration;
union dpcd_sink_active_vtotal_control_mode vtotal_control = {0};
psr_context->controllerId = CONTROLLER_ID_UNDEFINED;
@@ -3284,15 +3299,7 @@ bool dc_link_setup_psr(struct dc_link *link,
sizeof(psr_configuration.raw));
if (link->psr_settings.psr_version == DC_PSR_VERSION_SU_1) {
- memset(&alpm_configuration, 0, sizeof(alpm_configuration));
-
- alpm_configuration.bits.ENABLE = 1;
- dm_helpers_dp_write_dpcd(
- link->ctx,
- link,
- DP_RECEIVER_ALPM_CONFIG,
- &alpm_configuration.raw,
- sizeof(alpm_configuration.raw));
+ dc_power_alpm_dpcd_enable(link, true);
psr_context->su_granularity_required =
psr_config->su_granularity_required;
psr_context->su_y_granularity =
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
index 29c0040a6dd4..023774b94da3 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_link.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
@@ -320,6 +320,8 @@ bool dc_link_setup_psr(struct dc_link *dc_link,
const struct dc_stream_state *stream, struct psr_config *psr_config,
struct psr_context *psr_context);
+bool dc_power_alpm_dpcd_enable(struct dc_link *link, bool enable);
+
void dc_link_get_psr_residency(const struct dc_link *link, uint32_t *residency);
void dc_link_blank_all_dp_displays(struct dc *dc);
--
2.25.1
next prev parent reply other threads:[~2022-07-08 16:36 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-08 16:35 [PATCH 00/21] DC Patches July 11, 2022 Solomon Chiu
2022-07-08 16:35 ` [PATCH 01/21] drm/amd/display: Exit SubVP if MPO in use Solomon Chiu
2022-07-08 16:35 ` [PATCH 02/21] drm/amd/display: Check for DP2.0 when checking ODM combine Solomon Chiu
2022-07-08 16:35 ` Solomon Chiu [this message]
2022-07-08 16:35 ` [PATCH 04/21] drm/amd/display: Removing assert statements for Linux Solomon Chiu
2022-07-08 16:35 ` [PATCH 05/21] drm/amd/display: Fix windowed MPO video with ODM combine for DCN32 Solomon Chiu
2022-07-08 16:35 ` [PATCH 06/21] drm/amd/display: Clear edid when unplug mst connector Solomon Chiu
2022-07-08 16:35 ` [PATCH 07/21] drm/amd/display: Disable PSRSU when DSC enabled on the specific sink Solomon Chiu
2022-07-08 16:35 ` [PATCH 08/21] drm/amd/display: Fix black screen when disabling Freesync in OSD Solomon Chiu
2022-07-08 16:35 ` [PATCH 09/21] drm/amd/display: make enable link independent from verified link caps Solomon Chiu
2022-07-08 16:35 ` [PATCH 10/21] drm/amd/display: Reduce SCDC Status Flags Definition Solomon Chiu
2022-07-08 16:35 ` [PATCH 11/21] drm/amd/display: update DML1 logic for unbounded req handling Solomon Chiu
2022-07-08 16:35 ` [PATCH 12/21] drm/amd/display: 3.2.193 Solomon Chiu
2022-07-11 15:38 ` [PATCH 00/21] DC Patches July 11, 2022 Wheeler, Daniel
2022-07-12 15:37 ` [PATCH 13/21] drm/amd/display: Re-implementing ARGB16161616 pixel format as 22 Solomon Chiu
2022-07-12 15:38 ` [PATCH 14/21] drm/amd/display: Grab dc_lock before detecting link Solomon Chiu
2022-07-12 15:39 ` [PATCH 15/21] drm/amd/display: add system info table log Solomon Chiu
2022-07-12 15:40 ` [PATCH 16/21] drm/amd/display: Add DCN reg offsets to DC Solomon Chiu
2022-07-12 15:40 ` [PATCH 17/21] drm/amd/display: Add NBIO " Solomon Chiu
2022-07-12 15:41 ` [PATCH 18/21] drm/amd/display: Fix lag when moving windowed MPO across display using ODM 2:1 combine Solomon Chiu
2022-07-12 15:41 ` [PATCH 19/21] drm/amd/display: Fix wrong reference Solomon Chiu
2022-07-12 15:42 ` [PATCH 20/21] drm/amd/display: 3.2.194 Solomon Chiu
2022-07-12 15:42 ` [PATCH 21/21] drm/amd/display: Ignore First MST Sideband Message Return Error Solomon Chiu
2022-07-12 15:47 ` [21/21] " Limonciello, Mario
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