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| author | Jouni Högander <jouni.hogander@intel.com> | 2024-05-17 10:30:04 +0300 |
|---|---|---|
| committer | Jouni Högander <jouni.hogander@intel.com> | 2024-05-20 07:34:45 +0300 |
| commit | 30dee753ca0a1b565da5eec8d0686315f595d171 (patch) | |
| tree | f0c42b4e0c208288da4d08453ee79a8848c58488 /drivers/gpu | |
| parent | 45430e7b7c8de9ed910d99cc8906db3db5a1334d (diff) | |
| download | linux-30dee753ca0a1b565da5eec8d0686315f595d171.tar.gz linux-30dee753ca0a1b565da5eec8d0686315f595d171.tar.bz2 linux-30dee753ca0a1b565da5eec8d0686315f595d171.zip | |
drm/i915/psr: LunarLake PSR2_CTL[IO Wake Lines] is 6 bits wide
On LunarLake PSR2_CTL[IO Wake Lines] contains now bit 13:18. Take this
into account when enabling PSR2_CTL.
Bspec: 69885
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517073005.2414293-3-jouni.hogander@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr_regs.h | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index f5d3eb776833..d2f6488b8fc7 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -958,6 +958,8 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) tmp = map[psr->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) >= 20) { + val |= LNL_EDP_PSR2_IO_BUFFER_WAKE(psr->alpm_parameters.io_wake_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); diff --git a/drivers/gpu/drm/i915/display/intel_psr_regs.h b/drivers/gpu/drm/i915/display/intel_psr_regs.h index e14cb48f2614..b6a39926ccb6 100644 --- a/drivers/gpu/drm/i915/display/intel_psr_regs.h +++ b/drivers/gpu/drm/i915/display/intel_psr_regs.h @@ -172,6 +172,10 @@ #define TGL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES 5 #define TGL_EDP_PSR2_IO_BUFFER_WAKE(lines) REG_FIELD_PREP(TGL_EDP_PSR2_IO_BUFFER_WAKE_MASK, \ (lines) - TGL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES) +#define LNL_EDP_PSR2_IO_BUFFER_WAKE_MASK REG_GENMASK(18, 13) +#define LNL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES 5 +#define LNL_EDP_PSR2_IO_BUFFER_WAKE(lines) REG_FIELD_PREP(LNL_EDP_PSR2_IO_BUFFER_WAKE_MASK, \ + (lines) - LNL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES) #define EDP_PSR2_FAST_WAKE_MASK REG_GENMASK(12, 11) #define EDP_PSR2_FAST_WAKE_MAX_LINES 8 #define EDP_PSR2_FAST_WAKE(lines) REG_FIELD_PREP(EDP_PSR2_FAST_WAKE_MASK, \ |