[RFC 1/3] drm/i915/alpm: Move alpm parameters from intel_psr
Animesh Manna
animesh.manna at intel.com
Mon Mar 4 07:43:01 UTC 2024
ALPM can be enabled for non psr panel and currenly aplm-params are
encapsulated under intel_psr struct, so moving out to intel_dp struct.
Signed-off-by: Animesh Manna <animesh.manna at intel.com>
---
.../drm/i915/display/intel_display_types.h | 23 +++++-----
drivers/gpu/drm/i915/display/intel_psr.c | 42 +++++++++----------
2 files changed, 31 insertions(+), 34 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index cc52693a0e58..d473d8dca90a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1715,18 +1715,6 @@ struct intel_psr {
bool psr2_sel_fetch_cff_enabled;
bool req_psr2_sdp_prior_scanline;
u8 sink_sync_latency;
-
- struct {
- u8 io_wake_lines;
- u8 fast_wake_lines;
-
- /* LNL and beyond */
- u8 check_entry_lines;
- u8 aux_less_wake_lines;
- u8 silence_period_sym_clocks;
- u8 lfps_half_cycle_num_of_syms;
- } alpm_parameters;
-
ktime_t last_entry_attempt;
ktime_t last_exit;
bool sink_not_reliable;
@@ -1852,6 +1840,17 @@ struct intel_dp {
unsigned long last_oui_write;
bool colorimetry_support;
+
+ struct {
+ u8 io_wake_lines;
+ u8 fast_wake_lines;
+
+ /* LNL and beyond */
+ u8 check_entry_lines;
+ u8 aux_less_wake_lines;
+ u8 silence_period_sym_clocks;
+ u8 lfps_half_cycle_num_of_syms;
+ } alpm_parameters;
};
enum lspcon_vendor {
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index ed5f62f89027..4adcddba69c1 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -779,8 +779,8 @@ static u32 intel_psr2_get_tp_time(struct intel_dp *intel_dp)
static int psr2_block_count_lines(struct intel_dp *intel_dp)
{
- return intel_dp->psr.alpm_parameters.io_wake_lines < 9 &&
- intel_dp->psr.alpm_parameters.fast_wake_lines < 9 ? 8 : 12;
+ return intel_dp->alpm_parameters.io_wake_lines < 9 &&
+ intel_dp->alpm_parameters.fast_wake_lines < 9 ? 8 : 12;
}
static int psr2_block_count(struct intel_dp *intel_dp)
@@ -817,7 +817,6 @@ static void dg2_activate_panel_replay(struct intel_dp *intel_dp)
static void hsw_activate_psr2(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- struct intel_psr *psr = &intel_dp->psr;
enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
u32 val = EDP_PSR2_ENABLE;
u32 psr_val = 0;
@@ -859,18 +858,18 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
*/
int tmp;
- tmp = map[psr->alpm_parameters.io_wake_lines -
+ tmp = map[intel_dp->alpm_parameters.io_wake_lines -
TGL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES];
val |= TGL_EDP_PSR2_IO_BUFFER_WAKE(tmp + TGL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES);
- tmp = map[psr->alpm_parameters.fast_wake_lines - TGL_EDP_PSR2_FAST_WAKE_MIN_LINES];
+ tmp = map[intel_dp->alpm_parameters.fast_wake_lines - TGL_EDP_PSR2_FAST_WAKE_MIN_LINES];
val |= TGL_EDP_PSR2_FAST_WAKE(tmp + TGL_EDP_PSR2_FAST_WAKE_MIN_LINES);
} else if (DISPLAY_VER(dev_priv) >= 12) {
- val |= TGL_EDP_PSR2_IO_BUFFER_WAKE(psr->alpm_parameters.io_wake_lines);
- val |= TGL_EDP_PSR2_FAST_WAKE(psr->alpm_parameters.fast_wake_lines);
+ val |= TGL_EDP_PSR2_IO_BUFFER_WAKE(intel_dp->alpm_parameters.io_wake_lines);
+ val |= TGL_EDP_PSR2_FAST_WAKE(intel_dp->alpm_parameters.fast_wake_lines);
} else if (DISPLAY_VER(dev_priv) >= 9) {
- val |= EDP_PSR2_IO_BUFFER_WAKE(psr->alpm_parameters.io_wake_lines);
- val |= EDP_PSR2_FAST_WAKE(psr->alpm_parameters.fast_wake_lines);
+ val |= EDP_PSR2_IO_BUFFER_WAKE(intel_dp->alpm_parameters.io_wake_lines);
+ val |= EDP_PSR2_FAST_WAKE(intel_dp->alpm_parameters.fast_wake_lines);
}
if (intel_dp->psr.req_psr2_sdp_prior_scanline)
@@ -1253,9 +1252,9 @@ static int _lnl_compute_aux_less_alpm_params(struct intel_dp *intel_dp,
if (i915->display.params.psr_safest_params)
aux_less_wake_lines = 63;
- intel_dp->psr.alpm_parameters.aux_less_wake_lines = aux_less_wake_lines;
- intel_dp->psr.alpm_parameters.silence_period_sym_clocks = silence_period;
- intel_dp->psr.alpm_parameters.lfps_half_cycle_num_of_syms = lfps_half_cycle;
+ intel_dp->alpm_parameters.aux_less_wake_lines = aux_less_wake_lines;
+ intel_dp->alpm_parameters.silence_period_sym_clocks = silence_period;
+ intel_dp->alpm_parameters.lfps_half_cycle_num_of_syms = lfps_half_cycle;
return true;
}
@@ -1282,7 +1281,7 @@ static bool _lnl_compute_alpm_params(struct intel_dp *intel_dp,
if (i915->display.params.psr_safest_params)
check_entry_lines = 15;
- intel_dp->psr.alpm_parameters.check_entry_lines = check_entry_lines;
+ intel_dp->alpm_parameters.check_entry_lines = check_entry_lines;
return true;
}
@@ -1326,8 +1325,8 @@ static bool _compute_alpm_params(struct intel_dp *intel_dp,
io_wake_lines = fast_wake_lines = max_wake_lines;
/* According to Bspec lower limit should be set as 7 lines. */
- intel_dp->psr.alpm_parameters.io_wake_lines = max(io_wake_lines, 7);
- intel_dp->psr.alpm_parameters.fast_wake_lines = max(fast_wake_lines, 7);
+ intel_dp->alpm_parameters.io_wake_lines = max(io_wake_lines, 7);
+ intel_dp->alpm_parameters.fast_wake_lines = max(fast_wake_lines, 7);
return true;
}
@@ -1695,7 +1694,6 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
- struct intel_psr *psr = &intel_dp->psr;
u32 alpm_ctl;
if (DISPLAY_VER(dev_priv) < 20 || (!intel_dp->psr.psr2_enabled &&
@@ -1712,22 +1710,22 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp)
PORT_ALPM_CTL_MAX_PHY_SWING_SETUP(15) |
PORT_ALPM_CTL_MAX_PHY_SWING_HOLD(0) |
PORT_ALPM_CTL_SILENCE_PERIOD(
- psr->alpm_parameters.silence_period_sym_clocks));
+ intel_dp->alpm_parameters.silence_period_sym_clocks));
intel_de_write(dev_priv, PORT_ALPM_LFPS_CTL(cpu_transcoder),
PORT_ALPM_LFPS_CTL_LFPS_CYCLE_COUNT(10) |
PORT_ALPM_LFPS_CTL_LFPS_HALF_CYCLE_DURATION(
- psr->alpm_parameters.lfps_half_cycle_num_of_syms) |
+ intel_dp->alpm_parameters.lfps_half_cycle_num_of_syms) |
PORT_ALPM_LFPS_CTL_FIRST_LFPS_HALF_CYCLE_DURATION(
- psr->alpm_parameters.lfps_half_cycle_num_of_syms) |
+ intel_dp->alpm_parameters.lfps_half_cycle_num_of_syms) |
PORT_ALPM_LFPS_CTL_LAST_LFPS_HALF_CYCLE_DURATION(
- psr->alpm_parameters.lfps_half_cycle_num_of_syms));
+ intel_dp->alpm_parameters.lfps_half_cycle_num_of_syms));
} else {
alpm_ctl = ALPM_CTL_EXTENDED_FAST_WAKE_ENABLE |
- ALPM_CTL_EXTENDED_FAST_WAKE_TIME(psr->alpm_parameters.fast_wake_lines);
+ ALPM_CTL_EXTENDED_FAST_WAKE_TIME(intel_dp->alpm_parameters.fast_wake_lines);
}
- alpm_ctl |= ALPM_CTL_ALPM_ENTRY_CHECK(psr->alpm_parameters.check_entry_lines);
+ alpm_ctl |= ALPM_CTL_ALPM_ENTRY_CHECK(intel_dp->alpm_parameters.check_entry_lines);
intel_de_write(dev_priv, ALPM_CTL(cpu_transcoder), alpm_ctl);
}
--
2.29.0
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