[Intel-gfx] [PATCH 4/9] drm/i915: Move LPT PCH readout code
Ville Syrjala
ville.syrjala at linux.intel.com
Fri Oct 15 07:16:20 UTC 2021
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Nuke the hsw_get_ddi_port_state() eyesore by putting the
readout code into intel_pch_display.c, and calling it directly
from hsw_crt_get_config().
Cc: Dave Airlie <airlied at redhat.com>
Cc: Jani Nikula <jani.nikula at intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_crt.c | 2 +
drivers/gpu/drm/i915/display/intel_display.c | 46 ++-----------------
drivers/gpu/drm/i915/display/intel_display.h | 2 +
.../gpu/drm/i915/display/intel_pch_display.c | 18 ++++++++
.../gpu/drm/i915/display/intel_pch_display.h | 1 +
5 files changed, 26 insertions(+), 43 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c
index 4038ae342ea1..03cfae46f92f 100644
--- a/drivers/gpu/drm/i915/display/intel_crt.c
+++ b/drivers/gpu/drm/i915/display/intel_crt.c
@@ -147,6 +147,8 @@ static void hsw_crt_get_config(struct intel_encoder *encoder,
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ lpt_pch_get_config(pipe_config);
+
hsw_ddi_get_config(encoder, pipe_config);
pipe_config->hw.adjusted_mode.flags &= ~(DRM_MODE_FLAG_PHSYNC |
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 2ee02c16bd1c..8f65b8b6a306 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -4090,8 +4090,8 @@ void intel_dp_get_m_n(struct intel_crtc *crtc,
&pipe_config->dp_m2_n2);
}
-static void ilk_get_fdi_m_n_config(struct intel_crtc *crtc,
- struct intel_crtc_state *pipe_config)
+void ilk_get_fdi_m_n_config(struct intel_crtc *crtc,
+ struct intel_crtc_state *pipe_config)
{
intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder,
&pipe_config->fdi_m_n, NULL);
@@ -4486,45 +4486,6 @@ static bool bxt_get_dsi_transcoder_state(struct intel_crtc *crtc,
return transcoder_is_dsi(pipe_config->cpu_transcoder);
}
-static void hsw_get_ddi_port_state(struct intel_crtc *crtc,
- struct intel_crtc_state *pipe_config)
-{
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
- enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
- enum port port;
- u32 tmp;
-
- if (transcoder_is_dsi(cpu_transcoder)) {
- port = (cpu_transcoder == TRANSCODER_DSI_A) ?
- PORT_A : PORT_B;
- } else {
- tmp = intel_de_read(dev_priv,
- TRANS_DDI_FUNC_CTL(cpu_transcoder));
- if (!(tmp & TRANS_DDI_FUNC_ENABLE))
- return;
- if (DISPLAY_VER(dev_priv) >= 12)
- port = TGL_TRANS_DDI_FUNC_CTL_VAL_TO_PORT(tmp);
- else
- port = TRANS_DDI_FUNC_CTL_VAL_TO_PORT(tmp);
- }
-
- /*
- * Haswell has only FDI/PCH transcoder A. It is which is connected to
- * DDI E. So just check whether this pipe is wired to DDI E and whether
- * the PCH transcoder is on.
- */
- if (DISPLAY_VER(dev_priv) < 9 &&
- (port == PORT_E) && intel_de_read(dev_priv, LPT_TRANSCONF) & TRANS_ENABLE) {
- pipe_config->has_pch_encoder = true;
-
- tmp = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A));
- pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >>
- FDI_DP_PORT_WIDTH_SHIFT) + 1;
-
- ilk_get_fdi_m_n_config(crtc, pipe_config);
- }
-}
-
static bool hsw_get_pipe_config(struct intel_crtc *crtc,
struct intel_crtc_state *pipe_config)
{
@@ -4562,8 +4523,7 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
/* we cannot read out most state, so don't bother.. */
pipe_config->quirks |= PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE;
} else if (!transcoder_is_dsi(pipe_config->cpu_transcoder) ||
- DISPLAY_VER(dev_priv) >= 11) {
- hsw_get_ddi_port_state(crtc, pipe_config);
+ DISPLAY_VER(dev_priv) >= 11) {
intel_get_transcoder_timings(crtc, pipe_config);
}
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index 93c84f2174b5..5bc8d8913178 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -584,6 +584,8 @@ void intel_dp_get_m_n(struct intel_crtc *crtc,
struct intel_crtc_state *pipe_config);
void intel_dp_set_m_n(const struct intel_crtc_state *crtc_state,
enum link_m_n_set m_n);
+void ilk_get_fdi_m_n_config(struct intel_crtc *crtc,
+ struct intel_crtc_state *pipe_config);
int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state);
diff --git a/drivers/gpu/drm/i915/display/intel_pch_display.c b/drivers/gpu/drm/i915/display/intel_pch_display.c
index 50995c4f2aaa..df7195ed1aaa 100644
--- a/drivers/gpu/drm/i915/display/intel_pch_display.c
+++ b/drivers/gpu/drm/i915/display/intel_pch_display.c
@@ -366,3 +366,21 @@ void lpt_pch_enable(struct intel_atomic_state *state,
lpt_enable_pch_transcoder(dev_priv, cpu_transcoder);
}
+
+void lpt_pch_get_config(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 tmp;
+
+ if ((intel_de_read(dev_priv, LPT_TRANSCONF) & TRANS_ENABLE) == 0)
+ return;
+
+ crtc_state->has_pch_encoder = true;
+
+ tmp = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A));
+ crtc_state->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >>
+ FDI_DP_PORT_WIDTH_SHIFT) + 1;
+
+ ilk_get_fdi_m_n_config(crtc, crtc_state);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_pch_display.h b/drivers/gpu/drm/i915/display/intel_pch_display.h
index 7f9df2c13cf3..e0ff331c0bc6 100644
--- a/drivers/gpu/drm/i915/display/intel_pch_display.h
+++ b/drivers/gpu/drm/i915/display/intel_pch_display.h
@@ -18,5 +18,6 @@ void ilk_pch_enable(struct intel_atomic_state *state,
void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv);
void lpt_pch_enable(struct intel_atomic_state *state,
struct intel_crtc *crtc);
+void lpt_pch_get_config(struct intel_crtc_state *crtc_state);
#endif
--
2.32.0
More information about the Intel-gfx
mailing list