[PATCH v6 04/10] drm/amd/display: remove redundant freesync parser for DP
Mario Limonciello
superm1 at kernel.org
Wed Sep 11 21:35:30 UTC 2024
From: Melissa Wen <mwen at igalia.com>
When updating connector under drm_edid infrastructure, many calculations
and validations are already done and become redundant inside AMD driver.
Remove those driver-specific code in favor of the DRM common code.
Signed-off-by: Melissa Wen <mwen at igalia.com>
Co-developed-by: Mario Limonciello <mario.limonciello at amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
---
v6:
* Drop unneeded is_dp_capable_without_timing_msa()
* Rebase on v6.11-rc7
* Add Co-developed-by tag
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 91 +------------------
1 file changed, 4 insertions(+), 87 deletions(-)
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 49a71c575e45..a1379ac0e628 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -11737,25 +11737,6 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
return ret;
}
-static bool is_dp_capable_without_timing_msa(struct dc *dc,
- struct amdgpu_dm_connector *amdgpu_dm_connector)
-{
- u8 dpcd_data;
- bool capable = false;
-
- if (amdgpu_dm_connector->dc_link &&
- dm_helpers_dp_read_dpcd(
- NULL,
- amdgpu_dm_connector->dc_link,
- DP_DOWN_STREAM_PORT_COUNT,
- &dpcd_data,
- sizeof(dpcd_data))) {
- capable = (dpcd_data & DP_MSA_TIMING_PAR_IGNORED) ? true:false;
- }
-
- return capable;
-}
-
static bool dm_edid_parser_send_cea(struct amdgpu_display_manager *dm,
unsigned int offset,
unsigned int total_length,
@@ -12011,9 +11992,6 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
const struct drm_edid *drm_edid)
{
int i = 0;
- const struct detailed_timing *timing;
- const struct detailed_non_pixel *data;
- const struct detailed_data_monitor_range *range;
struct amdgpu_dm_connector *amdgpu_dm_connector =
to_amdgpu_dm_connector(connector);
struct dm_connector_state *dm_con_state = NULL;
@@ -12040,8 +12018,6 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
amdgpu_dm_connector->min_vfreq = 0;
amdgpu_dm_connector->max_vfreq = 0;
- connector->display_info.monitor_range.min_vfreq = 0;
- connector->display_info.monitor_range.max_vfreq = 0;
freesync_capable = false;
goto update;
@@ -12061,67 +12037,12 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
if (edid && (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT ||
sink->sink_signal == SIGNAL_TYPE_EDP)) {
- bool edid_check_required = false;
-
- if (is_dp_capable_without_timing_msa(adev->dm.dc,
- amdgpu_dm_connector)) {
- if (edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ) {
- amdgpu_dm_connector->min_vfreq = connector->display_info.monitor_range.min_vfreq;
- amdgpu_dm_connector->max_vfreq = connector->display_info.monitor_range.max_vfreq;
- if (amdgpu_dm_connector->max_vfreq -
- amdgpu_dm_connector->min_vfreq > 10)
- freesync_capable = true;
- } else {
- edid_check_required = edid->version > 1 ||
- (edid->version == 1 &&
- edid->revision > 1);
- }
- }
- if (edid_check_required) {
- for (i = 0; i < 4; i++) {
-
- timing = &edid->detailed_timings[i];
- data = &timing->data.other_data;
- range = &data->data.range;
- /*
- * Check if monitor has continuous frequency mode
- */
- if (data->type != EDID_DETAIL_MONITOR_RANGE)
- continue;
- /*
- * Check for flag range limits only. If flag == 1 then
- * no additional timing information provided.
- * Default GTF, GTF Secondary curve and CVT are not
- * supported
- */
- if (range->flags != 1)
- continue;
+ amdgpu_dm_connector->min_vfreq = connector->display_info.monitor_range.min_vfreq;
+ amdgpu_dm_connector->max_vfreq = connector->display_info.monitor_range.max_vfreq;
+ if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
+ freesync_capable = true;
- connector->display_info.monitor_range.min_vfreq = range->min_vfreq;
- connector->display_info.monitor_range.max_vfreq = range->max_vfreq;
-
- if (edid->revision >= 4) {
- if (data->pad2 & DRM_EDID_RANGE_OFFSET_MIN_VFREQ)
- connector->display_info.monitor_range.min_vfreq += 255;
- if (data->pad2 & DRM_EDID_RANGE_OFFSET_MAX_VFREQ)
- connector->display_info.monitor_range.max_vfreq += 255;
- }
-
- amdgpu_dm_connector->min_vfreq =
- connector->display_info.monitor_range.min_vfreq;
- amdgpu_dm_connector->max_vfreq =
- connector->display_info.monitor_range.max_vfreq;
-
- break;
- }
-
- if (amdgpu_dm_connector->max_vfreq -
- amdgpu_dm_connector->min_vfreq > 10) {
-
- freesync_capable = true;
- }
- }
parse_amd_vsdb(amdgpu_dm_connector, edid, &vsdb_info);
if (vsdb_info.replay_mode) {
@@ -12129,13 +12050,9 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
amdgpu_dm_connector->vsdb_info.amd_vsdb_version = vsdb_info.amd_vsdb_version;
amdgpu_dm_connector->as_type = ADAPTIVE_SYNC_TYPE_EDP;
}
-
} else if (drm_edid && sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) {
i = parse_hdmi_amd_vsdb(amdgpu_dm_connector, edid, &vsdb_info);
if (i >= 0 && vsdb_info.freesync_supported) {
- timing = &edid->detailed_timings[i];
- data = &timing->data.other_data;
-
amdgpu_dm_connector->min_vfreq = vsdb_info.min_refresh_rate_hz;
amdgpu_dm_connector->max_vfreq = vsdb_info.max_refresh_rate_hz;
if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
--
2.43.0
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