diff options
| author | Chandan Uddaraju <chandanu@codeaurora.org> | 2020-08-27 14:16:55 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2020-09-15 10:54:34 -0700 |
| commit | c943b4948b5848fc0e07f875edbd35a973879e22 (patch) | |
| tree | bd5c293057f2da48823bac8fb6466c120da5091f /drivers/gpu/drm/msm/disp | |
| parent | b22960b8f274382ff165db50faebbde5f8a16c32 (diff) | |
drm/msm/dp: add displayPort driver support
Add the needed displayPort files to enable DP driver
on msm target.
"dp_display" module is the main module that calls into
other sub-modules. "dp_drm" file represents the interface
between DRM framework and DP driver.
Changes in v12:
-- Add support of pm ops in display port driver
-- Clear bpp depth bits before writing to MISC register
-- Fix edid read
Previous Change log:
https://lkml.kernel.org/lkml/20200818051137.21478-3-tanmay@codeaurora.org/
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
Signed-off-by: Vara Reddy <varar@codeaurora.org>
Signed-off-by: Tanmay Shah <tanmay@codeaurora.org>
Co-developed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
Co-developed-by: Kuogee Hsieh <khsieh@codeaurora.org>
Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
Co-developed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
Co-developed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 8 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index bd6def436c65..eb2ba7e07083 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1001,6 +1001,9 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc, trace_dpu_enc_mode_set(DRMID(drm_enc)); + if (drm_enc->encoder_type == DRM_MODE_ENCODER_TMDS && priv->dp) + msm_dp_display_mode_set(priv->dp, drm_enc, mode, adj_mode); + list_for_each_entry(conn_iter, connector_list, head) if (conn_iter->encoder == drm_enc) conn = conn_iter; @@ -1146,6 +1149,7 @@ static void dpu_encoder_virt_enable(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc = NULL; int ret = 0; + struct msm_drm_private *priv; struct drm_display_mode *cur_mode = NULL; if (!drm_enc) { @@ -1156,6 +1160,7 @@ static void dpu_encoder_virt_enable(struct drm_encoder *drm_enc) mutex_lock(&dpu_enc->enc_lock); cur_mode = &dpu_enc->base.crtc->state->adjusted_mode; + priv = drm_enc->dev->dev_private; trace_dpu_enc_enable(DRMID(drm_enc), cur_mode->hdisplay, cur_mode->vdisplay); @@ -1176,6 +1181,15 @@ static void dpu_encoder_virt_enable(struct drm_encoder *drm_enc) _dpu_encoder_virt_enable_helper(drm_enc); + if (drm_enc->encoder_type == DRM_MODE_ENCODER_TMDS && priv->dp) { + ret = msm_dp_display_enable(priv->dp, + drm_enc); + if (ret) { + DPU_ERROR_ENC(dpu_enc, "dp display enable failed: %d\n", + ret); + goto out; + } + } dpu_enc->enabled = true; out: @@ -1234,6 +1248,11 @@ static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc) DPU_DEBUG_ENC(dpu_enc, "encoder disabled\n"); + if (drm_enc->encoder_type == DRM_MODE_ENCODER_TMDS && priv->dp) { + if (msm_dp_display_disable(priv->dp, drm_enc)) + DPU_ERROR_ENC(dpu_enc, "dp display disable failed\n"); + } + mutex_unlock(&dpu_enc->enc_lock); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c index b5a49050d131..be11a0c5e60c 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c @@ -100,6 +100,14 @@ static void drm_mode_to_intf_timing_params( * display_v_end -= mode->hsync_start - mode->hdisplay; * } */ + /* for DP/EDP, Shift timings to align it to bottom right */ + if ((phys_enc->hw_intf->cap->type == INTF_DP) || + (phys_enc->hw_intf->cap->type == INTF_EDP)) { + timing->h_back_porch += timing->h_front_porch; + timing->h_front_porch = 0; + timing->v_back_porch += timing->v_front_porch; + timing->v_front_porch = 0; + } } static u32 get_horizontal_total(const struct intf_timing_params *timing) |