diff options
| author | Chandan Uddaraju <chandanu@codeaurora.org> | 2016-07-11 11:27:19 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2016-07-29 00:17:31 -0700 |
| commit | 63dbca3ed83bf4e83357dd9f266a0fb0c2040d67 (patch) | |
| tree | aedc1d2811ce360f123beb7c932e4f1db88038e5 | |
| parent | ba7779beec1c9387bee6c502ce567a1176b783f9 (diff) | |
msm: mdss: add support to configure transfer unit for DP
Configure the transfer unit settings to control the
symbol stuffing.
Change-Id: I80d6c1ae6d7096e170105e5d297a563b3bee053d
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_dp_aux.c | 7 | ||||
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_dp_util.c | 9 | ||||
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_dp_util.h | 6 |
3 files changed, 20 insertions, 2 deletions
diff --git a/drivers/video/fbdev/msm/mdss_dp_aux.c b/drivers/video/fbdev/msm/mdss_dp_aux.c index ba03ca682f2f..7b14a7efb9dc 100644 --- a/drivers/video/fbdev/msm/mdss_dp_aux.c +++ b/drivers/video/fbdev/msm/mdss_dp_aux.c @@ -1312,9 +1312,14 @@ train_start: pr_debug("Training 2 completed successfully\n"); - mdss_dp_state_ctrl(&dp->ctrl_io, ST_SEND_VIDEO); + clear: dp_clear_training_pattern(dp); + if (ret != -1) { + mdss_dp_setup_tr_unit(&dp->ctrl_io); + mdss_dp_state_ctrl(&dp->ctrl_io, ST_SEND_VIDEO); + pr_debug("State_ctrl set to SEND_VIDEO\n"); + } complete(&dp->train_comp); return ret; diff --git a/drivers/video/fbdev/msm/mdss_dp_util.c b/drivers/video/fbdev/msm/mdss_dp_util.c index 18f5a3597dfd..f7b27d1e56a1 100644 --- a/drivers/video/fbdev/msm/mdss_dp_util.c +++ b/drivers/video/fbdev/msm/mdss_dp_util.c @@ -214,6 +214,15 @@ void mdss_dp_sw_mvid_nvid(struct dss_io_data *ctrl_io) writel_relaxed(0x3c, ctrl_io->base + DP_SOFTWARE_NVID); } +void mdss_dp_setup_tr_unit(struct dss_io_data *ctrl_io) +{ + /* Current Tr unit configuration supports only 1080p */ + writel_relaxed(0x21, ctrl_io->base + DP_MISC1_MISC0); + writel_relaxed(0x0f0016, ctrl_io->base + DP_VALID_BOUNDARY); + writel_relaxed(0x1f, ctrl_io->base + DP_TU); + writel_relaxed(0x0, ctrl_io->base + DP_VALID_BOUNDARY_2); +} + void mdss_dp_ctrl_lane_mapping(struct dss_io_data *ctrl_io, struct lane_mapping l_map) { diff --git a/drivers/video/fbdev/msm/mdss_dp_util.h b/drivers/video/fbdev/msm/mdss_dp_util.h index ec835c6587f3..8ef00dd7248e 100644 --- a/drivers/video/fbdev/msm/mdss_dp_util.h +++ b/drivers/video/fbdev/msm/mdss_dp_util.h @@ -48,10 +48,13 @@ #define DP_START_HOR_VER_FROM_SYNC (0x00000420) #define DP_HSYNC_VSYNC_WIDTH_POLARITY (0x00000424) #define DP_ACTIVE_HOR_VER (0x00000428) - +#define DP_MISC1_MISC0 (0x0000042C) +#define DP_VALID_BOUNDARY (0x00000430) +#define DP_VALID_BOUNDARY_2 (0x00000434) #define DP_LOGICAL2PHYSCIAL_LANE_MAPPING (0x00000438) #define DP_MAINLINK_READY (0x00000440) +#define DP_TU (0x0000044C) /*DP PHY Register offsets */ #define DP_PHY_REVISION_ID0 (0x00000000) @@ -99,6 +102,7 @@ void mdss_dp_mainlink_reset(struct dss_io_data *ctrl_io); void mdss_dp_phy_reset(struct dss_io_data *ctrl_io); void mdss_dp_switch_usb3_phy_to_dp_mode(struct dss_io_data *tcsr_reg_io); void mdss_dp_assert_phy_reset(struct dss_io_data *ctrl_io, bool assert); +void mdss_dp_setup_tr_unit(struct dss_io_data *ctrl_io); void mdss_dp_phy_aux_setup(struct dss_io_data *phy_io); void mdss_dp_hpd_configure(struct dss_io_data *ctrl_io, bool enable); void mdss_dp_aux_ctrl(struct dss_io_data *ctrl_io, bool enable); |