diff options
| author | Luca Coelho <luciano.coelho@intel.com> | 2024-04-12 12:41:47 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2024-04-17 11:41:20 +0300 |
| commit | 8a8dcb23b6b359c292376439f6946637e376fd83 (patch) | |
| tree | 716b13fbb03d808e45f91968454abfe1d9c6ad8d /drivers/gpu/drm/i915/display | |
| parent | fe3b3ed7ff5e570131a787f6d59f3b7245c48077 (diff) | |
drm/i915/display: add module parameter to enable DMC wakelock
This feature should be disabled by default until properly tested and
mature. Add a module parameter to enable the feature for testing,
while keeping it disabled by default for now.
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412094148.808179-4-luciano.coelho@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_params.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_params.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dmc_wl.c | 6 |
3 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_params.c b/drivers/gpu/drm/i915/display/intel_display_params.c index 11e03cfb774d..f40b223cc8a1 100644 --- a/drivers/gpu/drm/i915/display/intel_display_params.c +++ b/drivers/gpu/drm/i915/display/intel_display_params.c @@ -116,6 +116,11 @@ intel_display_param_named_unsafe(enable_psr2_sel_fetch, bool, 0400, "(0=disabled, 1=enabled) " "Default: 1"); +intel_display_param_named_unsafe(enable_dmc_wl, bool, 0400, + "Enable DMC wakelock " + "(0=disabled, 1=enabled) " + "Default: 0"); + __maybe_unused static void _param_print_bool(struct drm_printer *p, const char *driver_name, const char *name, bool val) diff --git a/drivers/gpu/drm/i915/display/intel_display_params.h b/drivers/gpu/drm/i915/display/intel_display_params.h index 6206cc51df04..bf8dbbdb20a1 100644 --- a/drivers/gpu/drm/i915/display/intel_display_params.h +++ b/drivers/gpu/drm/i915/display/intel_display_params.h @@ -46,6 +46,7 @@ struct drm_i915_private; param(int, enable_psr, -1, 0600) \ param(bool, psr_safest_params, false, 0400) \ param(bool, enable_psr2_sel_fetch, true, 0400) \ + param(bool, enable_dmc_wl, false, 0400) \ #define MEMBER(T, member, ...) T member; struct intel_display_params { diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c b/drivers/gpu/drm/i915/display/intel_dmc_wl.c index bc3f3d6dfe10..30f8905fae41 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c +++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c @@ -109,7 +109,8 @@ static bool intel_dmc_wl_check_range(u32 address) static bool __intel_dmc_wl_supported(struct drm_i915_private *i915) { if (DISPLAY_VER(i915) < 20 || - !intel_dmc_has_payload(i915)) + !intel_dmc_has_payload(i915) || + !i915->display.params.enable_dmc_wl) return false; return true; @@ -120,7 +121,8 @@ void intel_dmc_wl_init(struct drm_i915_private *i915) struct intel_dmc_wl *wl = &i915->display.wl; /* don't call __intel_dmc_wl_supported(), DMC is not loaded yet */ - if (DISPLAY_VER(i915) < 20) + if (DISPLAY_VER(i915) < 20 || + !i915->display.params.enable_dmc_wl) return; INIT_DELAYED_WORK(&wl->work, intel_dmc_wl_work); |