From: Thierry Reding <tred...@nvidia.com>
During the discussion of patches that enhance the drm_dp_link helpers it
was concluded that these helpers aren't very useful to begin with. Start
pushing the equivalent code into individual drivers to ultimately remove
them.
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
drivers/gpu/drm/rockchip/cdn-dp-core.c | 12 ++++++------
drivers/gpu/drm/rockchip/cdn-dp-core.h | 3 ++-
drivers/gpu/drm/rockchip/cdn-dp-reg.c | 19 +++++++++----------
3 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c
b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index d505ea7d5384..eed594bd38d3 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -477,8 +477,8 @@ static int cdn_dp_disable(struct cdn_dp_device *dp)
cdn_dp_set_firmware_active(dp, false);
cdn_dp_clk_disable(dp);
dp->active = false;
- dp->link.rate = 0;
- dp->link.num_lanes = 0;
+ dp->max_lanes = 0;
+ dp->max_rate = 0;
if (!dp->connected) {
kfree(dp->edid);
dp->edid = NULL;
@@ -570,7 +570,7 @@ static bool cdn_dp_check_link_status(struct cdn_dp_device
*dp)
struct cdn_dp_port *port = cdn_dp_connected_port(dp);
u8 sink_lanes = drm_dp_max_lane_count(dp->dpcd);
- if (!port || !dp->link.rate || !dp->link.num_lanes)
+ if (!port || !dp->max_rate || !dp->max_lanes)
return false;
if (cdn_dp_dpcd_read(dp, DP_LANE0_1_STATUS, link_status,
@@ -952,8 +952,8 @@ static void cdn_dp_pd_event_work(struct work_struct *work)
/* Enabled and connected with a sink, re-train if requested */
} else if (!cdn_dp_check_link_status(dp)) {
- unsigned int rate = dp->link.rate;
- unsigned int lanes = dp->link.num_lanes;
+ unsigned int rate = dp->max_rate;
+ unsigned int lanes = dp->max_lanes;
struct drm_display_mode *mode = &dp->mode;
DRM_DEV_INFO(dp->dev, "Connected with sink. Re-train link\n");
@@ -966,7 +966,7 @@ static void cdn_dp_pd_event_work(struct work_struct *work)
/* If training result is changed, update the video config */
if (mode->clock &&
- (rate != dp->link.rate || lanes != dp->link.num_lanes)) {
+ (rate != dp->max_rate || lanes != dp->max_lanes)) {
ret = cdn_dp_config_video(dp);
if (ret) {
dp->connected = false;
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.h
b/drivers/gpu/drm/rockchip/cdn-dp-core.h
index b85ea89eb60b..83c4586665b4 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.h
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.h
@@ -92,9 +92,10 @@ struct cdn_dp_device {
struct reset_control *core_rst;
struct audio_info audio_info;
struct video_info video_info;
- struct drm_dp_link link;
struct cdn_dp_port *port[MAX_PHY];
u8 ports;
+ u8 max_lanes;
+ u8 max_rate;
u8 lanes;
int active_port;
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
index 077c87021908..7361c07cb4a7 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
@@ -535,8 +535,8 @@ static int cdn_dp_get_training_status(struct cdn_dp_device
*dp)
if (ret)
goto err_get_training_status;
- dp->link.rate = drm_dp_bw_code_to_link_rate(status[0]);
- dp->link.num_lanes = status[1];
+ dp->max_rate = drm_dp_bw_code_to_link_rate(status[0]);
+ dp->max_lanes = status[1];
err_get_training_status:
if (ret)
@@ -560,8 +560,8 @@ int cdn_dp_train_link(struct cdn_dp_device *dp)
return ret;
}
- DRM_DEV_DEBUG_KMS(dp->dev, "rate:0x%x, lanes:%d\n", dp->link.rate,
- dp->link.num_lanes);
+ DRM_DEV_DEBUG_KMS(dp->dev, "rate:0x%x, lanes:%d\n", dp->max_rate,
+ dp->max_lanes);
return ret;
}
@@ -639,7 +639,7 @@ int cdn_dp_config_video(struct cdn_dp_device *dp)
bit_per_pix = (video->color_fmt == YCBCR_4_2_2) ?
(video->color_depth * 2) : (video->color_depth * 3);
- link_rate = dp->link.rate / 1000;
+ link_rate = dp->max_rate / 1000;
ret = cdn_dp_reg_write(dp, BND_HSYNC2VSYNC, VIF_BYPASS_INTERLACE);
if (ret)
@@ -659,14 +659,13 @@ int cdn_dp_config_video(struct cdn_dp_device *dp)
do {
tu_size_reg += 2;
symbol = tu_size_reg * mode->clock * bit_per_pix;
- do_div(symbol, dp->link.num_lanes * link_rate * 8);
+ do_div(symbol, dp->max_lanes * link_rate * 8);
rem = do_div(symbol, 1000);
if (tu_size_reg > 64) {
ret = -EINVAL;
DRM_DEV_ERROR(dp->dev,
"tu error, clk:%d, lanes:%d, rate:%d\n",
- mode->clock, dp->link.num_lanes,
- link_rate);
+ mode->clock, dp->max_lanes, link_rate);
goto err_config_video;
}
} while ((symbol <= 1) || (tu_size_reg - symbol < 4) ||
@@ -680,7 +679,7 @@ int cdn_dp_config_video(struct cdn_dp_device *dp)
/* set the FIFO Buffer size */
val = div_u64(mode->clock * (symbol + 1), 1000) + link_rate;
- val /= (dp->link.num_lanes * link_rate);
+ val /= (dp->max_lanes * link_rate);
val = div_u64(8 * (symbol + 1), bit_per_pix) - val;
val += 2;
ret = cdn_dp_reg_write(dp, DP_VC_TABLE(15), val);
@@ -833,7 +832,7 @@ static void cdn_dp_audio_config_i2s(struct cdn_dp_device
*dp,
u32 val;
if (audio->channels == 2) {
- if (dp->link.num_lanes == 1)
+ if (dp->max_lanes == 1)
sub_pckt_num = 2;
else
sub_pckt_num = 4;
--
2.23.0
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