diff options
| author | Rodrigo Vivi <rodrigo.vivi@gmail.com> | 2013-07-11 18:45:02 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-07-18 10:17:36 +0200 |
| commit | 105b7c11f036f734988990541674a93e54cf4ec1 (patch) | |
| tree | fef6aef2e19b7ef28941eae178b44f3770ef47d7 | |
| parent | 3f51e4713fc57ab0fc225c3f0e67578a53c24a11 (diff) | |
drm/intel: add enable_psr module option and disable psr by default
v2: prefer seq_puts to seq_printf detected by Paulo Zanoni.
v3: PSR is disabled by default. Without userspace ready it
will cause regression for kde and xdm users
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Reviewed-by: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 6 |
4 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 973f2727d70..9d871c7eeae 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1565,6 +1565,9 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) case PSR_NO_SINK: seq_puts(m, "not supported by panel"); break; + case PSR_MODULE_PARAM: + seq_puts(m, "disabled by flag"); + break; case PSR_CRTC_NOT_ACTIVE: seq_puts(m, "crtc not active"); break; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 0485f435eee..b178a7ca129 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -118,6 +118,10 @@ module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0600); MODULE_PARM_DESC(i915_enable_ppgtt, "Enable PPGTT (default: true)"); +int i915_enable_psr __read_mostly = 0; +module_param_named(enable_psr, i915_enable_psr, int, 0600); +MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)"); + unsigned int i915_preliminary_hw_support __read_mostly = 0; module_param_named(preliminary_hw_support, i915_preliminary_hw_support, int, 0600); MODULE_PARM_DESC(preliminary_hw_support, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 21d55f855d1..36d1c806e09 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -596,6 +596,7 @@ struct i915_fbc { enum no_psr_reason { PSR_NO_SOURCE, /* Not supported on platform */ PSR_NO_SINK, /* Not supported by panel */ + PSR_MODULE_PARAM, PSR_CRTC_NOT_ACTIVE, PSR_PWR_WELL_ENABLED, PSR_NOT_TILED, @@ -1621,6 +1622,7 @@ extern int i915_enable_rc6 __read_mostly; extern int i915_enable_fbc __read_mostly; extern bool i915_enable_hangcheck __read_mostly; extern int i915_enable_ppgtt __read_mostly; +extern int i915_enable_psr __read_mostly; extern unsigned int i915_preliminary_hw_support __read_mostly; extern int i915_disable_power_well __read_mostly; extern int i915_enable_ips __read_mostly; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 3ce1b872935..6a4cdea7627 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1521,6 +1521,12 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp) return false; } + if (!i915_enable_psr) { + DRM_DEBUG_KMS("PSR disable by flag\n"); + dev_priv->no_psr_reason = PSR_MODULE_PARAM; + return false; + } + if (!intel_crtc->active || !crtc->fb || !crtc->mode.clock) { DRM_DEBUG_KMS("crtc not active for PSR\n"); dev_priv->no_psr_reason = PSR_CRTC_NOT_ACTIVE; |