[Intel-gfx] [PATCH 02/13] drm/i915: Move TRANS_DDI_FUNC_CTL2 programming where it belongs
Ville Syrjala
ville.syrjala at linux.intel.com
Fri Mar 13 16:48:20 UTC 2020
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
This port sync enable/disable stuff is misplaced. It's just another step
of the normal TRANS_DDI_FUNC_CTL enable. Move it to its natural place.
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 71 +++++++++++---------
drivers/gpu/drm/i915/display/intel_display.c | 34 ----------
2 files changed, 39 insertions(+), 66 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 73d0f4648c06..8d486282eea3 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -1558,12 +1558,34 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state)
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
- u32 temp;
+ u32 ctl;
- temp = intel_ddi_transcoder_func_reg_val_get(crtc_state);
+ if (INTEL_GEN(dev_priv) >= 11) {
+ enum transcoder master_transcoder = crtc_state->master_transcoder;
+ u32 ctl2 = 0;
+
+ if (master_transcoder != INVALID_TRANSCODER) {
+ u8 master_select;
+
+ if (master_transcoder == TRANSCODER_EDP)
+ master_select = 0;
+ else
+ master_select = master_transcoder + 1;
+
+ ctl2 |= PORT_SYNC_MODE_ENABLE |
+ (PORT_SYNC_MODE_MASTER_SELECT(master_select) &
+ PORT_SYNC_MODE_MASTER_SELECT_MASK) <<
+ PORT_SYNC_MODE_MASTER_SELECT_SHIFT;
+ }
+
+ intel_de_write(dev_priv,
+ TRANS_DDI_FUNC_CTL2(crtc_state->cpu_transcoder), ctl2);
+ }
+
+ ctl = intel_ddi_transcoder_func_reg_val_get(crtc_state);
if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST))
- temp |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
- intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), temp);
+ ctl |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
+ intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl);
}
/*
@@ -1576,11 +1598,11 @@ intel_ddi_config_transcoder_func(const struct intel_crtc_state *crtc_state)
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
- u32 temp;
+ u32 ctl;
- temp = intel_ddi_transcoder_func_reg_val_get(crtc_state);
- temp &= ~TRANS_DDI_FUNC_ENABLE;
- intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), temp);
+ ctl = intel_ddi_transcoder_func_reg_val_get(crtc_state);
+ ctl &= ~TRANS_DDI_FUNC_ENABLE;
+ intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl);
}
void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state)
@@ -1588,20 +1610,23 @@ void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
- u32 val;
+ u32 ctl;
- val = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder));
- val &= ~TRANS_DDI_FUNC_ENABLE;
+ if (INTEL_GEN(dev_priv) >= 11)
+ intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL2(cpu_transcoder), 0);
+
+ ctl = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder));
+ ctl &= ~TRANS_DDI_FUNC_ENABLE;
if (INTEL_GEN(dev_priv) >= 12) {
if (!intel_dp_mst_is_master_trans(crtc_state)) {
- val &= ~(TGL_TRANS_DDI_PORT_MASK |
+ ctl &= ~(TGL_TRANS_DDI_PORT_MASK |
TRANS_DDI_MODE_SELECT_MASK);
}
} else {
- val &= ~(TRANS_DDI_PORT_MASK | TRANS_DDI_MODE_SELECT_MASK);
+ ctl &= ~(TRANS_DDI_PORT_MASK | TRANS_DDI_MODE_SELECT_MASK);
}
- intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), val);
+ intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl);
if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME &&
intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
@@ -3405,21 +3430,6 @@ static void intel_ddi_post_disable_hdmi(struct intel_encoder *encoder,
intel_dp_dual_mode_set_tmds_output(intel_hdmi, false);
}
-static void icl_disable_transcoder_port_sync(const struct intel_crtc_state *old_crtc_state)
-{
- struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-
- if (old_crtc_state->master_transcoder == INVALID_TRANSCODER)
- return;
-
- DRM_DEBUG_KMS("Disabling Transcoder Port Sync on Slave Transcoder %s\n",
- transcoder_name(old_crtc_state->cpu_transcoder));
-
- intel_de_write(dev_priv,
- TRANS_DDI_FUNC_CTL2(old_crtc_state->cpu_transcoder), 0);
-}
-
static void intel_ddi_post_disable(struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
@@ -3434,9 +3444,6 @@ static void intel_ddi_post_disable(struct intel_encoder *encoder,
intel_disable_pipe(old_crtc_state);
- if (INTEL_GEN(dev_priv) >= 11)
- icl_disable_transcoder_port_sync(old_crtc_state);
-
intel_ddi_disable_transcoder_func(old_crtc_state);
intel_dsc_disable(old_crtc_state);
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 8f23c4d51c33..c49b4e6eb3d4 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -4998,37 +4998,6 @@ static void icl_set_pipe_chicken(struct intel_crtc *crtc)
intel_de_write(dev_priv, PIPE_CHICKEN(pipe), tmp);
}
-static void icl_enable_trans_port_sync(const struct intel_crtc_state *crtc_state)
-{
- struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
- u32 trans_ddi_func_ctl2_val;
- u8 master_select;
-
- /*
- * Configure the master select and enable Transcoder Port Sync for
- * Slave CRTCs transcoder.
- */
- if (crtc_state->master_transcoder == INVALID_TRANSCODER)
- return;
-
- if (crtc_state->master_transcoder == TRANSCODER_EDP)
- master_select = 0;
- else
- master_select = crtc_state->master_transcoder + 1;
-
- /* Set the master select bits for Tranascoder Port Sync */
- trans_ddi_func_ctl2_val = (PORT_SYNC_MODE_MASTER_SELECT(master_select) &
- PORT_SYNC_MODE_MASTER_SELECT_MASK) <<
- PORT_SYNC_MODE_MASTER_SELECT_SHIFT;
- /* Enable Transcoder Port Sync */
- trans_ddi_func_ctl2_val |= PORT_SYNC_MODE_ENABLE;
-
- intel_de_write(dev_priv,
- TRANS_DDI_FUNC_CTL2(crtc_state->cpu_transcoder),
- trans_ddi_func_ctl2_val);
-}
-
static void intel_fdi_normal_train(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
@@ -7037,9 +7006,6 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
if (!transcoder_is_dsi(cpu_transcoder))
intel_set_pipe_timings(new_crtc_state);
- if (INTEL_GEN(dev_priv) >= 11)
- icl_enable_trans_port_sync(new_crtc_state);
-
intel_set_pipe_src_size(new_crtc_state);
if (cpu_transcoder != TRANSCODER_EDP &&
--
2.24.1
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