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path: root/drivers/gpu/drm/msm/dp/dp_link.c
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Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_link.c')
-rw-r--r--drivers/gpu/drm/msm/dp/dp_link.c103
1 files changed, 61 insertions, 42 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c
index d4d31e5bda07..36f0af02749f 100644
--- a/drivers/gpu/drm/msm/dp/dp_link.c
+++ b/drivers/gpu/drm/msm/dp/dp_link.c
@@ -36,6 +36,7 @@ struct dp_link_request {
struct dp_link_private {
u32 prev_sink_count;
struct device *dev;
+ struct drm_device *drm_dev;
struct drm_dp_aux *aux;
struct dp_link dp_link;
@@ -128,14 +129,14 @@ static int dp_link_parse_audio_channel_period(struct dp_link_private *link)
goto exit;
req->test_audio_period_ch_1 = ret;
- DRM_DEBUG_DP("test_audio_period_ch_1 = 0x%x\n", ret);
+ drm_dbg_dp(link->drm_dev, "test_audio_period_ch_1 = 0x%x\n", ret);
ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH2);
if (ret == -EINVAL)
goto exit;
req->test_audio_period_ch_2 = ret;
- DRM_DEBUG_DP("test_audio_period_ch_2 = 0x%x\n", ret);
+ drm_dbg_dp(link->drm_dev, "test_audio_period_ch_2 = 0x%x\n", ret);
/* TEST_AUDIO_PERIOD_CH_3 (Byte 0x275) */
ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH3);
@@ -143,42 +144,42 @@ static int dp_link_parse_audio_channel_period(struct dp_link_private *link)
goto exit;
req->test_audio_period_ch_3 = ret;
- DRM_DEBUG_DP("test_audio_period_ch_3 = 0x%x\n", ret);
+ drm_dbg_dp(link->drm_dev, "test_audio_period_ch_3 = 0x%x\n", ret);
ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH4);
if (ret == -EINVAL)
goto exit;
req->test_audio_period_ch_4 = ret;
- DRM_DEBUG_DP("test_audio_period_ch_4 = 0x%x\n", ret);
+ drm_dbg_dp(link->drm_dev, "test_audio_period_ch_4 = 0x%x\n", ret);
ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH5);
if (ret == -EINVAL)
goto exit;
req->test_audio_period_ch_5 = ret;
- DRM_DEBUG_DP("test_audio_period_ch_5 = 0x%x\n", ret);
+ drm_dbg_dp(link->drm_dev, "test_audio_period_ch_5 = 0x%x\n", ret);
ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH6);
if (ret == -EINVAL)
goto exit;
req->test_audio_period_ch_6 = ret;
- DRM_DEBUG_DP("test_audio_period_ch_6 = 0x%x\n", ret);
+ drm_dbg_dp(link->drm_dev, "test_audio_period_ch_6 = 0x%x\n", ret);
ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH7);
if (ret == -EINVAL)
goto exit;
req->test_audio_period_ch_7 = ret;
- DRM_DEBUG_DP("test_audio_period_ch_7 = 0x%x\n", ret);
+ drm_dbg_dp(link->drm_dev, "test_audio_period_ch_7 = 0x%x\n", ret);
ret = dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH8);
if (ret == -EINVAL)
goto exit;
req->test_audio_period_ch_8 = ret;
- DRM_DEBUG_DP("test_audio_period_ch_8 = 0x%x\n", ret);
+ drm_dbg_dp(link->drm_dev, "test_audio_period_ch_8 = 0x%x\n", ret);
exit:
return ret;
}
@@ -205,7 +206,7 @@ static int dp_link_parse_audio_pattern_type(struct dp_link_private *link)
}
link->dp_link.test_audio.test_audio_pattern_type = data;
- DRM_DEBUG_DP("audio pattern type = 0x%x\n", data);
+ drm_dbg_dp(link->drm_dev, "audio pattern type = 0x%x\n", data);
exit:
return ret;
}
@@ -246,8 +247,9 @@ static int dp_link_parse_audio_mode(struct dp_link_private *link)
link->dp_link.test_audio.test_audio_sampling_rate = sampling_rate;
link->dp_link.test_audio.test_audio_channel_count = channel_count;
- DRM_DEBUG_DP("sampling_rate = 0x%x, channel_count = 0x%x\n",
- sampling_rate, channel_count);
+ drm_dbg_dp(link->drm_dev,
+ "sampling_rate = 0x%x, channel_count = 0x%x\n",
+ sampling_rate, channel_count);
exit:
return ret;
}
@@ -486,7 +488,8 @@ static int dp_link_parse_video_pattern_params(struct dp_link_private *link)
return ret;
}
- DRM_DEBUG_DP("link video pattern = 0x%x\n"
+ drm_dbg_dp(link->drm_dev,
+ "link video pattern = 0x%x\n"
"link dynamic range = 0x%x\n"
"link bit depth = 0x%x\n"
"TEST_H_TOTAL = %d, TEST_V_TOTAL = %d\n"
@@ -543,7 +546,8 @@ static int dp_link_parse_link_training_params(struct dp_link_private *link)
}
link->request.test_link_rate = bp;
- DRM_DEBUG_DP("link rate = 0x%x\n", link->request.test_link_rate);
+ drm_dbg_dp(link->drm_dev, "link rate = 0x%x\n",
+ link->request.test_link_rate);
rlen = drm_dp_dpcd_readb(link->aux, DP_TEST_LANE_COUNT, &bp);
if (rlen < 0) {
@@ -558,7 +562,8 @@ static int dp_link_parse_link_training_params(struct dp_link_private *link)
}
link->request.test_lane_count = bp;
- DRM_DEBUG_DP("lane count = 0x%x\n", link->request.test_lane_count);
+ drm_dbg_dp(link->drm_dev, "lane count = 0x%x\n",
+ link->request.test_lane_count);
return 0;
}
@@ -583,7 +588,7 @@ static int dp_link_parse_phy_test_params(struct dp_link_private *link)
link->dp_link.phy_params.phy_test_pattern_sel = data & 0x07;
- DRM_DEBUG_DP("phy_test_pattern_sel = 0x%x\n", data);
+ drm_dbg_dp(link->drm_dev, "phy_test_pattern_sel = 0x%x\n", data);
switch (data) {
case DP_PHY_TEST_PATTERN_SEL_MASK:
@@ -639,10 +644,10 @@ static int dp_link_parse_request(struct dp_link_private *link)
return rlen;
}
- DRM_DEBUG_DP("device service irq vector = 0x%x\n", data);
+ drm_dbg_dp(link->drm_dev, "device service irq vector = 0x%x\n", data);
if (!(data & DP_AUTOMATED_TEST_REQUEST)) {
- DRM_DEBUG_DP("no test requested\n");
+ drm_dbg_dp(link->drm_dev, "no test requested\n");
return 0;
}
@@ -657,11 +662,11 @@ static int dp_link_parse_request(struct dp_link_private *link)
}
if (!data || (data == DP_TEST_LINK_FAUX_PATTERN)) {
- DRM_DEBUG_DP("link 0x%x not supported\n", data);
+ drm_dbg_dp(link->drm_dev, "link 0x%x not supported\n", data);
goto end;
}
- DRM_DEBUG_DP("Test:(0x%x) requested\n", data);
+ drm_dbg_dp(link->drm_dev, "Test:(0x%x) requested\n", data);
link->request.test_requested = data;
if (link->request.test_requested == DP_TEST_LINK_PHY_TEST_PATTERN) {
ret = dp_link_parse_phy_test_params(link);
@@ -732,8 +737,8 @@ static int dp_link_parse_sink_count(struct dp_link *dp_link)
link->dp_link.sink_count =
DP_GET_SINK_COUNT(link->dp_link.sink_count);
- DRM_DEBUG_DP("sink_count = 0x%x, cp_ready = 0x%x\n",
- link->dp_link.sink_count, cp_ready);
+ drm_dbg_dp(link->drm_dev, "sink_count = 0x%x, cp_ready = 0x%x\n",
+ link->dp_link.sink_count, cp_ready);
return 0;
}
@@ -774,7 +779,8 @@ static int dp_link_process_link_training_request(struct dp_link_private *link)
if (link->request.test_requested != DP_TEST_LINK_TRAINING)
return -EINVAL;
- DRM_DEBUG_DP("Test:0x%x link rate = 0x%x, lane count = 0x%x\n",
+ drm_dbg_dp(link->drm_dev,
+ "Test:0x%x link rate = 0x%x, lane count = 0x%x\n",
DP_TEST_LINK_TRAINING,
link->request.test_link_rate,
link->request.test_lane_count);
@@ -852,13 +858,13 @@ bool dp_link_send_edid_checksum(struct dp_link *dp_link, u8 checksum)
static void dp_link_parse_vx_px(struct dp_link_private *link)
{
- DRM_DEBUG_DP("vx: 0=%d, 1=%d, 2=%d, 3=%d\n",
+ drm_dbg_dp(link->drm_dev, "vx: 0=%d, 1=%d, 2=%d, 3=%d\n",
drm_dp_get_adjust_request_voltage(link->link_status, 0),
drm_dp_get_adjust_request_voltage(link->link_status, 1),
drm_dp_get_adjust_request_voltage(link->link_status, 2),
drm_dp_get_adjust_request_voltage(link->link_status, 3));
- DRM_DEBUG_DP("px: 0=%d, 1=%d, 2=%d, 3=%d\n",
+ drm_dbg_dp(link->drm_dev, "px: 0=%d, 1=%d, 2=%d, 3=%d\n",
drm_dp_get_adjust_request_pre_emphasis(link->link_status, 0),
drm_dp_get_adjust_request_pre_emphasis(link->link_status, 1),
drm_dp_get_adjust_request_pre_emphasis(link->link_status, 2),
@@ -868,7 +874,8 @@ static void dp_link_parse_vx_px(struct dp_link_private *link)
* Update the voltage and pre-emphasis levels as per DPCD request
* vector.
*/
- DRM_DEBUG_DP("Current: v_level = 0x%x, p_level = 0x%x\n",
+ drm_dbg_dp(link->drm_dev,
+ "Current: v_level = 0x%x, p_level = 0x%x\n",
link->dp_link.phy_params.v_level,
link->dp_link.phy_params.p_level);
link->dp_link.phy_params.v_level =
@@ -878,7 +885,8 @@ static void dp_link_parse_vx_px(struct dp_link_private *link)
link->dp_link.phy_params.p_level >>= DP_TRAIN_PRE_EMPHASIS_SHIFT;
- DRM_DEBUG_DP("Requested: v_level = 0x%x, p_level = 0x%x\n",
+ drm_dbg_dp(link->drm_dev,
+ "Requested: v_level = 0x%x, p_level = 0x%x\n",
link->dp_link.phy_params.v_level,
link->dp_link.phy_params.p_level);
}
@@ -895,7 +903,7 @@ static int dp_link_process_phy_test_pattern_request(
struct dp_link_private *link)
{
if (!(link->request.test_requested & DP_TEST_LINK_PHY_TEST_PATTERN)) {
- DRM_DEBUG_DP("no phy test\n");
+ drm_dbg_dp(link->drm_dev, "no phy test\n");
return -EINVAL;
}
@@ -907,11 +915,13 @@ static int dp_link_process_phy_test_pattern_request(
return -EINVAL;
}
- DRM_DEBUG_DP("Current: rate = 0x%x, lane count = 0x%x\n",
+ drm_dbg_dp(link->drm_dev,
+ "Current: rate = 0x%x, lane count = 0x%x\n",
link->dp_link.link_params.rate,
link->dp_link.link_params.num_lanes);
- DRM_DEBUG_DP("Requested: rate = 0x%x, lane count = 0x%x\n",
+ drm_dbg_dp(link->drm_dev,
+ "Requested: rate = 0x%x, lane count = 0x%x\n",
link->request.test_link_rate,
link->request.test_lane_count);
@@ -942,17 +952,18 @@ static u8 get_link_status(const u8 link_status[DP_LINK_STATUS_SIZE], int r)
*/
static int dp_link_process_link_status_update(struct dp_link_private *link)
{
- bool channel_eq_done = drm_dp_channel_eq_ok(link->link_status,
- link->dp_link.link_params.num_lanes);
+ bool channel_eq_done = drm_dp_channel_eq_ok(link->link_status,
+ link->dp_link.link_params.num_lanes);
- bool clock_recovery_done = drm_dp_clock_recovery_ok(link->link_status,
- link->dp_link.link_params.num_lanes);
+ bool clock_recovery_done = drm_dp_clock_recovery_ok(link->link_status,
+ link->dp_link.link_params.num_lanes);
- DRM_DEBUG_DP("channel_eq_done = %d, clock_recovery_done = %d\n",
+ drm_dbg_dp(link->drm_dev,
+ "channel_eq_done = %d, clock_recovery_done = %d\n",
channel_eq_done, clock_recovery_done);
- if (channel_eq_done && clock_recovery_done)
- return -EINVAL;
+ if (channel_eq_done && clock_recovery_done)
+ return -EINVAL;
return 0;
@@ -1058,7 +1069,8 @@ int dp_link_process_request(struct dp_link *dp_link)
}
}
- DRM_DEBUG_DP("sink request=%#x", dp_link->sink_request);
+ drm_dbg_dp(link->drm_dev, "sink request=%#x",
+ dp_link->sink_request);
return ret;
}
@@ -1090,18 +1102,22 @@ int dp_link_adjust_levels(struct dp_link *dp_link, u8 *link_status)
{
int i;
int v_max = 0, p_max = 0;
+ struct dp_link_private *link;
if (!dp_link) {
DRM_ERROR("invalid input\n");
return -EINVAL;
}
+ link = container_of(dp_link, struct dp_link_private, dp_link);
+
/* use the max level across lanes */
for (i = 0; i < dp_link->link_params.num_lanes; i++) {
u8 data_v = drm_dp_get_adjust_request_voltage(link_status, i);
u8 data_p = drm_dp_get_adjust_request_pre_emphasis(link_status,
i);
- DRM_DEBUG_DP("lane=%d req_vol_swing=%d req_pre_emphasis=%d\n",
+ drm_dbg_dp(link->drm_dev,
+ "lane=%d req_vol_swing=%d req_pre_emphasis=%d\n",
i, data_v, data_p);
if (v_max < data_v)
v_max = data_v;
@@ -1117,14 +1133,16 @@ int dp_link_adjust_levels(struct dp_link *dp_link, u8 *link_status)
* the allowable range.
*/
if (dp_link->phy_params.v_level > DP_TRAIN_VOLTAGE_SWING_MAX) {
- DRM_DEBUG_DP("Requested vSwingLevel=%d, change to %d\n",
+ drm_dbg_dp(link->drm_dev,
+ "Requested vSwingLevel=%d, change to %d\n",
dp_link->phy_params.v_level,
DP_TRAIN_VOLTAGE_SWING_MAX);
dp_link->phy_params.v_level = DP_TRAIN_VOLTAGE_SWING_MAX;
}
if (dp_link->phy_params.p_level > DP_TRAIN_PRE_EMPHASIS_MAX) {
- DRM_DEBUG_DP("Requested preEmphasisLevel=%d, change to %d\n",
+ drm_dbg_dp(link->drm_dev,
+ "Requested preEmphasisLevel=%d, change to %d\n",
dp_link->phy_params.p_level,
DP_TRAIN_PRE_EMPHASIS_MAX);
dp_link->phy_params.p_level = DP_TRAIN_PRE_EMPHASIS_MAX;
@@ -1133,13 +1151,14 @@ int dp_link_adjust_levels(struct dp_link *dp_link, u8 *link_status)
if ((dp_link->phy_params.p_level > DP_TRAIN_PRE_EMPHASIS_LVL_1)
&& (dp_link->phy_params.v_level ==
DP_TRAIN_VOLTAGE_SWING_LVL_2)) {
- DRM_DEBUG_DP("Requested preEmphasisLevel=%d, change to %d\n",
+ drm_dbg_dp(link->drm_dev,
+ "Requested preEmphasisLevel=%d, change to %d\n",
dp_link->phy_params.p_level,
DP_TRAIN_PRE_EMPHASIS_LVL_1);
dp_link->phy_params.p_level = DP_TRAIN_PRE_EMPHASIS_LVL_1;
}
- DRM_DEBUG_DP("adjusted: v_level=%d, p_level=%d\n",
+ drm_dbg_dp(link->drm_dev, "adjusted: v_level=%d, p_level=%d\n",
dp_link->phy_params.v_level, dp_link->phy_params.p_level);
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 09:04:44 +0000