Allow forcing ultrajoiner through debugfs.
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
Reviewed-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dp.c | 11 +++++++----
drivers/gpu/drm/i915/display/intel_dp.h | 4 +++-
drivers/gpu/drm/i915/display/intel_dp_mst.c | 6 ++++--
3 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 79837ba05a14..db2a50678cda 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1308,7 +1308,9 @@ bool intel_dp_has_dsc(const struct intel_connector *connector)
return true;
}
-bool intel_dp_need_ultrajoiner(struct intel_dp *dp, int clock)
+bool intel_dp_need_ultrajoiner(struct intel_dp *dp,
+ struct intel_connector *connector,
+ int clock)
{
const struct intel_encoder *encoder = &dp_to_dig_port(dp)->base;
struct drm_i915_private *i915 = to_i915(encoder->base.dev);
@@ -1317,7 +1319,8 @@ bool intel_dp_need_ultrajoiner(struct intel_dp *dp, int clock)
if (!intel_display_can_use_ultrajoiner(display))
return false;
- return clock > (i915->display.cdclk.max_dotclk_freq * 2);
+ return clock > (i915->display.cdclk.max_dotclk_freq * 2) ||
+ connector->force_joined_pipes == INTEL_ULTRA_JOINER_PIPES;
}
static enum drm_mode_status
@@ -1356,7 +1359,7 @@ intel_dp_mode_valid(struct drm_connector *_connector,
target_clock = fixed_mode->clock;
}
- if (intel_dp_need_ultrajoiner(intel_dp, target_clock)) {
+ if (intel_dp_need_ultrajoiner(intel_dp, connector, target_clock)) {
joined_pipes = INTEL_ULTRA_JOINER_PIPES;
max_dotclk *= INTEL_ULTRA_JOINER_PIPES;
} else if (intel_dp_need_bigjoiner(intel_dp, connector,
@@ -2566,7 +2569,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
!intel_dp_supports_fec(intel_dp, connector, pipe_config))
return -EINVAL;
- if (intel_dp_need_ultrajoiner(intel_dp, adjusted_mode->crtc_clock))
+ if (intel_dp_need_ultrajoiner(intel_dp, connector, adjusted_mode->crtc_clock))
pipe_config->joiner_pipes = GENMASK(crtc->pipe + 3, crtc->pipe);
else if (intel_dp_need_bigjoiner(intel_dp, connector,
adjusted_mode->crtc_hdisplay,
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index b413b9f5fdf8..748e1a94afd2 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -158,7 +158,9 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp,
struct intel_connector *connector,
int hdisplay, int clock);
-bool intel_dp_need_ultrajoiner(struct intel_dp *intel_dp, int clock);
+bool intel_dp_need_ultrajoiner(struct intel_dp *intel_dp,
+ struct intel_connector *connector,
+ int clock);
static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
{
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 1f2a6d275114..5e87cdf0be69 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -580,7 +580,8 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
return -EINVAL;
- if (intel_dp_need_ultrajoiner(intel_dp, adjusted_mode->crtc_clock))
+ if (intel_dp_need_ultrajoiner(intel_dp, connector,
+ adjusted_mode->crtc_clock))
pipe_config->joiner_pipes = GENMASK(crtc->pipe + 3, crtc->pipe);
else if (intel_dp_need_bigjoiner(intel_dp, connector,
adjusted_mode->crtc_hdisplay,
@@ -1479,7 +1480,8 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
* corresponding link capabilities of the sink) in case the
* stream is uncompressed for it by the last branch device.
*/
- if (intel_dp_need_ultrajoiner(intel_dp, target_clock)) {
+ if (intel_dp_need_ultrajoiner(intel_dp, intel_connector,
+ target_clock)) {
joined_pipes = INTEL_BIG_JOINER_PIPES;
max_dotclk *= INTEL_BIG_JOINER_PIPES;
} else if (intel_dp_need_bigjoiner(intel_dp, intel_connector,
--
2.45.2
