From: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@xxxxxxxxx>
In Display version 14, Transcoder Chicken Registers have updated address.
This patch performs checks to use the right register when required.
v2: Omit display version check in i915_reg.h(Jani)
v3:
- Remove extra whitespace introduced
- Fix reg definitions for MTL_CHICKEN_TRANS(MattR)
Bspec: 34387, 50054
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
Signed-off-by: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@xxxxxxxxx>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display.c | 14 +++++++++++---
drivers/gpu/drm/i915/display/intel_dp_mst.c | 5 ++++-
drivers/gpu/drm/i915/i915_reg.h | 7 +++++++
3 files changed, 22 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index a0829dcfd6d3..e94a7e1d6fe6 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -620,7 +620,10 @@ void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state)
if (!IS_I830(dev_priv))
val &= ~PIPECONF_ENABLE;
- if (DISPLAY_VER(dev_priv) >= 12)
+ if (DISPLAY_VER(dev_priv) >= 14)
+ intel_de_rmw(dev_priv, MTL_CHICKEN_TRANS(cpu_transcoder),
+ FECSTALL_DIS_DPTSTREAM_DPTTG, 0);
+ else if (DISPLAY_VER(dev_priv) >= 12)
intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder),
FECSTALL_DIS_DPTSTREAM_DPTTG, 0);
@@ -1840,7 +1843,9 @@ static void hsw_set_frame_start_delay(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);
- i915_reg_t reg = CHICKEN_TRANS(crtc_state->cpu_transcoder);
+ enum transcoder transcoder = crtc_state->cpu_transcoder;
+ i915_reg_t reg = DISPLAY_VER(dev_priv) >= 14 ? MTL_CHICKEN_TRANS(transcoder) :
+ CHICKEN_TRANS(transcoder);
u32 val;
val = intel_de_read(dev_priv, reg);
@@ -4037,6 +4042,7 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_display_power_domain_set power_domain_set = { };
+ i915_reg_t reg;
bool active;
u32 tmp;
@@ -4128,7 +4134,9 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
}
if (!transcoder_is_dsi(pipe_config->cpu_transcoder)) {
- tmp = intel_de_read(dev_priv, CHICKEN_TRANS(pipe_config->cpu_transcoder));
+ reg = DISPLAY_VER(dev_priv) >= 14 ? MTL_CHICKEN_TRANS(pipe_config->cpu_transcoder) :
+ CHICKEN_TRANS(pipe_config->cpu_transcoder);
+ tmp = intel_de_read(dev_priv, reg);
pipe_config->framestart_delay = REG_FIELD_GET(HSW_FRAME_START_DELAY_MASK, tmp) + 1;
} else {
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 5adfd226d6c4..03604a37931c 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -565,7 +565,10 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
drm_dp_add_payload_part2(&intel_dp->mst_mgr, &state->base,
drm_atomic_get_mst_payload_state(mst_state, connector->port));
- if (DISPLAY_VER(dev_priv) >= 12 && pipe_config->fec_enable)
+ if (DISPLAY_VER(dev_priv) >= 14 && pipe_config->fec_enable)
+ intel_de_rmw(dev_priv, MTL_CHICKEN_TRANS(trans), 0,
+ FECSTALL_DIS_DPTSTREAM_DPTTG);
+ else if (DISPLAY_VER(dev_priv) >= 12 && pipe_config->fec_enable)
intel_de_rmw(dev_priv, CHICKEN_TRANS(trans), 0,
FECSTALL_DIS_DPTSTREAM_DPTTG);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fc57f304c16e..acfcd155c8d0 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5728,6 +5728,13 @@
[TRANSCODER_B] = _CHICKEN_TRANS_B, \
[TRANSCODER_C] = _CHICKEN_TRANS_C, \
[TRANSCODER_D] = _CHICKEN_TRANS_D))
+
+#define _MTL_CHICKEN_TRANS_A 0x604e0
+#define _MTL_CHICKEN_TRANS_B 0x614e0
+#define MTL_CHICKEN_TRANS(trans) _MMIO_TRANS((trans), \
+ _MTL_CHICKEN_TRANS_A, \
+ _MTL_CHICKEN_TRANS_B)
+
#define HSW_FRAME_START_DELAY_MASK REG_GENMASK(28, 27)
#define HSW_FRAME_START_DELAY(x) REG_FIELD_PREP(HSW_FRAME_START_DELAY_MASK, x)
#define VSC_DATA_SEL_SOFTWARE_CONTROL REG_BIT(25) /* GLK */
--
2.34.1
