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drm/i915/lobf: Add debug print for LOBF

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Lobf is enabled part of ALPM configuration and if has_lobf
is set to true respective bit for LOBF will be set. Add debug
print while setting the bitfield of LOBF.

Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://lore.kernel.org/r/20250423092334.2294483-4-animesh.manna@intel.com
This commit is contained in:
Animesh Manna 2025-04-23 14:53:26 +05:30
parent 172757acd6
commit ad89a60d51
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/i915/display/intel_alpm.c
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@ -5,6 +5,8 @@
#include <linux/debugfs.h>
#include <drm/drm_print.h>
#include "intel_alpm.h"
#include "intel_crtc.h"
#include "intel_de.h"
@ -353,8 +355,10 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp,
ALPM_CTL_EXTENDED_FAST_WAKE_TIME(intel_dp->alpm_parameters.fast_wake_lines);
}
if (crtc_state->has_lobf)
if (crtc_state->has_lobf) {
alpm_ctl |= ALPM_CTL_LOBF_ENABLE;
drm_dbg_kms(display->drm, "Link off between frames (LOBF) enabled\n");
}
alpm_ctl |= ALPM_CTL_ALPM_ENTRY_CHECK(intel_dp->alpm_parameters.check_entry_lines);