On Mon, Oct 21, 2019 at 04:34:36PM +0200, Thierry Reding wrote:
From: Thierry Reding treding@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 treding@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,
return ret;dp->max_lanes);
}
@@ -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);
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",do_div(symbol, dp->max_lanes * link_rate * 8);
mode->clock, dp->link.num_lanes,
link_rate);
} } while ((symbol <= 1) || (tu_size_reg - symbol < 4) ||mode->clock, dp->max_lanes, link_rate); goto err_config_video;
@@ -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)
else sub_pckt_num = 4;if (dp->max_lanes == 1) sub_pckt_num = 2;
Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch
-- 2.23.0