Currently clearing of alpm registers is done through psr_disable()
which is always not correct, without psr also alpm can exist. So
dis-integrate alpm_disable() from psr_disable().
Signed-off-by: Animesh Manna <animesh.ma...@intel.com>
---
drivers/gpu/drm/i915/display/intel_alpm.c | 21 +++++++++++++++++++
drivers/gpu/drm/i915/display/intel_alpm.h | 1 +
drivers/gpu/drm/i915/display/intel_ddi.c | 2 ++
.../drm/i915/display/intel_display_types.h | 1 +
drivers/gpu/drm/i915/display/intel_psr.c | 11 ----------
5 files changed, 25 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c
b/drivers/gpu/drm/i915/display/intel_alpm.c
index a53ed83f6b22..d94c96ba46b1 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.c
+++ b/drivers/gpu/drm/i915/display/intel_alpm.c
@@ -365,6 +365,7 @@ void intel_alpm_configure(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state)
{
lnl_alpm_configure(intel_dp, crtc_state);
+ intel_dp->alpm_parameters.transcoder = crtc_state->cpu_transcoder;
}
void intel_alpm_post_plane_update(struct intel_atomic_state *state,
@@ -440,3 +441,23 @@ void intel_alpm_lobf_debugfs_add(struct intel_connector
*connector)
debugfs_create_file("i915_edp_lobf_info", 0444, root,
connector, &i915_edp_lobf_info_fops);
}
+
+void intel_alpm_disable(struct intel_dp *intel_dp)
+{
+ struct intel_display *display = to_intel_display(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->alpm_parameters.transcoder;
+
+ if (DISPLAY_VER(display) < 20)
+ return;
+
+ if (!(intel_de_read(display, ALPM_CTL(display, cpu_transcoder)) &
ALPM_CTL_ALPM_ENABLE))
+ return;
+
+ intel_de_rmw(display, ALPM_CTL(display, cpu_transcoder),
+ ALPM_CTL_ALPM_ENABLE | ALPM_CTL_LOBF_ENABLE |
+ ALPM_CTL_ALPM_AUX_LESS_ENABLE, 0);
+
+ intel_de_rmw(display,
+ PORT_ALPM_CTL(cpu_transcoder),
+ PORT_ALPM_CTL_ALPM_AUX_LESS_ENABLE, 0);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_alpm.h
b/drivers/gpu/drm/i915/display/intel_alpm.h
index 2f862b0476a8..91f51fb24f98 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.h
+++ b/drivers/gpu/drm/i915/display/intel_alpm.h
@@ -28,4 +28,5 @@ void intel_alpm_post_plane_update(struct intel_atomic_state
*state,
void intel_alpm_lobf_debugfs_add(struct intel_connector *connector);
bool intel_alpm_aux_wake_supported(struct intel_dp *intel_dp);
bool intel_alpm_aux_less_wake_supported(struct intel_dp *intel_dp);
+void intel_alpm_disable(struct intel_dp *intel_dp);
#endif
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c
b/drivers/gpu/drm/i915/display/intel_ddi.c
index 7937f4de66cb..26aa32d4d50e 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -35,6 +35,7 @@
#include "i915_drv.h"
#include "i915_reg.h"
#include "icl_dsi.h"
+#include "intel_alpm.h"
#include "intel_audio.h"
#include "intel_audio_regs.h"
#include "intel_backlight.h"
@@ -3570,6 +3571,7 @@ static void intel_ddi_disable_dp(struct
intel_atomic_state *state,
intel_dp->link_trained = false;
intel_psr_disable(intel_dp, old_crtc_state);
+ intel_alpm_disable(intel_dp);
intel_edp_backlight_off(old_conn_state);
/* Disable the decompression in DP Sink */
intel_dp_sink_disable_decompression(state,
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h
b/drivers/gpu/drm/i915/display/intel_display_types.h
index 4440521e3e9e..b78721c451b8 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1801,6 +1801,7 @@ struct intel_dp {
struct {
u8 io_wake_lines;
u8 fast_wake_lines;
+ enum transcoder transcoder;
/* LNL and beyond */
u8 check_entry_lines;
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
b/drivers/gpu/drm/i915/display/intel_psr.c
index c1dd9c739fd4..1d202f2eb356 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -2141,17 +2141,6 @@ static void intel_psr_disable_locked(struct intel_dp
*intel_dp)
if (intel_dp_is_edp(intel_dp))
intel_snps_phy_update_psr_power_state(&dp_to_dig_port(intel_dp)->base, false);
- /* Panel Replay on eDP is always using ALPM aux less. */
- if (intel_dp->psr.panel_replay_enabled && intel_dp_is_edp(intel_dp)) {
- intel_de_rmw(display, ALPM_CTL(display, cpu_transcoder),
- ALPM_CTL_ALPM_ENABLE |
- ALPM_CTL_ALPM_AUX_LESS_ENABLE, 0);
-
- intel_de_rmw(display,
- PORT_ALPM_CTL(cpu_transcoder),
- PORT_ALPM_CTL_ALPM_AUX_LESS_ENABLE, 0);
- }
-
/* Disable PSR on Sink */
if (!intel_dp->psr.panel_replay_enabled) {
drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0);
--
2.29.0
