diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2022-08-24 16:15:52 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2022-08-29 13:36:41 +0300 |
| commit | 44eba1b85119a8f2d44a47bb3e8c5c608a05eba4 (patch) | |
| tree | 782ff12e6bf693d5cc3ed5635871a7f848a72816 /drivers | |
| parent | c3704f1938e76654ebf5c9de220d08cab5d437de (diff) | |
| download | linux-44eba1b85119a8f2d44a47bb3e8c5c608a05eba4.tar.xz | |
drm/i915/vrr: drop window2_delay member from i915
The window2_delay member has been functionally unused (always set to 0)
since it was added in commit bb265dbdf38d ("drm/i915/xelpd: Add VRR
guardband for VRR CTL"). Replace it with a FIXME comment.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/036955dc2c4c2d2b2d89555e473d91ce1be10395.1661346845.git.jani.nikula@intel.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vrr.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 3 |
3 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 9dee85641632..651b2309593a 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -8686,8 +8686,6 @@ int intel_modeset_init_noirq(struct drm_i915_private *i915) i915->flip_wq = alloc_workqueue("i915_flip", WQ_HIGHPRI | WQ_UNBOUND, WQ_UNBOUND_MAX_ACTIVE); - i915->window2_delay = 0; /* No DSB so no window2 delay */ - intel_mode_config_init(i915); ret = intel_cdclk_init(i915); diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 04250a0fec3c..5eac99021875 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -142,11 +142,16 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state, * For XE_LPD+, we use guardband and pipeline override * is deprecated. */ - if (DISPLAY_VER(i915) >= 13) + if (DISPLAY_VER(i915) >= 13) { + /* + * FIXME: Subtract Window2 delay from below value. + * + * Window2 specifies time required to program DSB (Window2) in + * number of scan lines. Assuming 0 for no DSB. + */ crtc_state->vrr.guardband = - crtc_state->vrr.vmin - adjusted_mode->crtc_vdisplay - - i915->window2_delay; - else + crtc_state->vrr.vmin - adjusted_mode->crtc_vdisplay; + } else { /* * FIXME: s/4/framestart_delay/ to get consistent * earliest/latest points for register latching regardless @@ -159,6 +164,7 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state, */ crtc_state->vrr.pipeline_full = min(255, crtc_state->vrr.vmin - adjusted_mode->crtc_vdisplay - 4 - 1); + } crtc_state->mode_flags |= I915_MODE_FLAG_VRR; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 78ade0c0fccb..e3d7ffa768ff 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -512,9 +512,6 @@ struct drm_i915_private { struct file *mmap_singleton; } gem; - /* Window2 specifies time required to program DSB (Window2) in number of scan lines */ - u8 window2_delay; - u8 pch_ssc_use; /* For i915gm/i945gm vblank irq workaround */ |