On Mon, Sep 12, 2022 at 02:45:12PM +0300, Jani Nikula wrote:
> Rename the IPC functions to have skl_watermark_ipc_ prefix, rename
> enable to update to reflect what the function actually does, and add
> enabled function to abstract direct ->ipc_enabled access for state
> query.
>
> Signed-off-by: Jani Nikula <jani.nik...@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_display.c | 6 ++---
> .../drm/i915/display/intel_display_debugfs.c | 6 ++---
> drivers/gpu/drm/i915/display/skl_watermark.c | 25 +++++++++++--------
> drivers/gpu/drm/i915/display/skl_watermark.h | 5 ++--
> drivers/gpu/drm/i915/i915_driver.c | 2 +-
> 5 files changed, 24 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> b/drivers/gpu/drm/i915/display/intel_display.c
> index 2d0018ae34b1..a0829dcfd6d3 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -4779,7 +4779,7 @@ static u16 skl_linetime_wm(const struct
> intel_crtc_state *crtc_state)
>
> /* Display WA #1135: BXT:ALL GLK:ALL */
> if ((IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) &&
> - dev_priv->ipc_enabled)
> + skl_watermark_ipc_enabled(dev_priv))
I forgot this spilled so far :/
But yeah, looks OK to me. Series is
Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> linetime_wm /= 2;
>
> return min(linetime_wm, 0x1ff);
> @@ -8782,7 +8782,7 @@ int intel_modeset_init(struct drm_i915_private *i915)
> intel_hpd_init(i915);
> intel_hpd_poll_disable(i915);
>
> - intel_init_ipc(i915);
> + skl_watermark_ipc_init(i915);
>
> return 0;
> }
> @@ -8913,7 +8913,7 @@ void intel_display_resume(struct drm_device *dev)
> if (!ret)
> ret = __intel_display_resume(i915, state, &ctx);
>
> - intel_enable_ipc(i915);
> + skl_watermark_ipc_update(i915);
> drm_modeset_drop_locks(&ctx);
> drm_modeset_acquire_fini(&ctx);
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index fe40e2a226d6..d2139cf4f825 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -988,7 +988,7 @@ static int i915_ipc_status_show(struct seq_file *m, void
> *data)
> struct drm_i915_private *dev_priv = m->private;
>
> seq_printf(m, "Isochronous Priority Control: %s\n",
> - str_yes_no(dev_priv->ipc_enabled));
> + str_yes_no(skl_watermark_ipc_enabled(dev_priv)));
> return 0;
> }
>
> @@ -1016,11 +1016,11 @@ static ssize_t i915_ipc_status_write(struct file
> *file, const char __user *ubuf,
> return ret;
>
> with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) {
> - if (!dev_priv->ipc_enabled && enable)
> + if (!skl_watermark_ipc_enabled(dev_priv) && enable)
> drm_info(&dev_priv->drm,
> "Enabling IPC: WM will be proper only after
> next commit\n");
> dev_priv->ipc_enabled = enable;
> - intel_enable_ipc(dev_priv);
> + skl_watermark_ipc_update(dev_priv);
> }
>
> return len;
> diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c
> b/drivers/gpu/drm/i915/display/skl_watermark.c
> index cb297725d5b9..df505ca6ef91 100644
> --- a/drivers/gpu/drm/i915/display/skl_watermark.c
> +++ b/drivers/gpu/drm/i915/display/skl_watermark.c
> @@ -1837,10 +1837,8 @@ static void skl_compute_plane_wm(const struct
> intel_crtc_state *crtc_state,
> * WaIncreaseLatencyIPCEnabled: kbl,cfl
> * Display WA #1141: kbl,cfl
> */
> - if ((IS_KABYLAKE(i915) ||
> - IS_COFFEELAKE(i915) ||
> - IS_COMETLAKE(i915)) &&
> - i915->ipc_enabled)
> + if ((IS_KABYLAKE(i915) || IS_COFFEELAKE(i915) || IS_COMETLAKE(i915)) &&
> + skl_watermark_ipc_enabled(i915))
> latency += 4;
>
> if (skl_needs_memory_bw_wa(i915) && wp->x_tiled)
> @@ -2008,7 +2006,7 @@ static void skl_compute_transition_wm(struct
> drm_i915_private *i915,
> u16 wm0_blocks, trans_offset, blocks;
>
> /* Transition WM don't make any sense if ipc is disabled */
> - if (!i915->ipc_enabled)
> + if (!skl_watermark_ipc_enabled(i915))
> return;
>
> /*
> @@ -3116,7 +3114,12 @@ void intel_wm_state_verify(struct intel_crtc *crtc,
> kfree(hw);
> }
>
> -void intel_enable_ipc(struct drm_i915_private *i915)
> +bool skl_watermark_ipc_enabled(struct drm_i915_private *i915)
> +{
> + return i915->ipc_enabled;
> +}
> +
> +void skl_watermark_ipc_update(struct drm_i915_private *i915)
> {
> u32 val;
>
> @@ -3125,7 +3128,7 @@ void intel_enable_ipc(struct drm_i915_private *i915)
>
> val = intel_uncore_read(&i915->uncore, DISP_ARB_CTL2);
>
> - if (i915->ipc_enabled)
> + if (skl_watermark_ipc_enabled(i915))
> val |= DISP_IPC_ENABLE;
> else
> val &= ~DISP_IPC_ENABLE;
> @@ -3133,7 +3136,7 @@ void intel_enable_ipc(struct drm_i915_private *i915)
> intel_uncore_write(&i915->uncore, DISP_ARB_CTL2, val);
> }
>
> -static bool intel_can_enable_ipc(struct drm_i915_private *i915)
> +static bool skl_watermark_ipc_can_enable(struct drm_i915_private *i915)
> {
> /* Display WA #0477 WaDisableIPC: skl */
> if (IS_SKYLAKE(i915))
> @@ -3148,14 +3151,14 @@ static bool intel_can_enable_ipc(struct
> drm_i915_private *i915)
> return true;
> }
>
> -void intel_init_ipc(struct drm_i915_private *i915)
> +void skl_watermark_ipc_init(struct drm_i915_private *i915)
> {
> if (!HAS_IPC(i915))
> return;
>
> - i915->ipc_enabled = intel_can_enable_ipc(i915);
> + i915->ipc_enabled = skl_watermark_ipc_can_enable(i915);
>
> - intel_enable_ipc(i915);
> + skl_watermark_ipc_update(i915);
> }
>
> static void
> diff --git a/drivers/gpu/drm/i915/display/skl_watermark.h
> b/drivers/gpu/drm/i915/display/skl_watermark.h
> index 50da05932750..7e5adef0c510 100644
> --- a/drivers/gpu/drm/i915/display/skl_watermark.h
> +++ b/drivers/gpu/drm/i915/display/skl_watermark.h
> @@ -44,8 +44,9 @@ void skl_wm_sanitize(struct drm_i915_private *i915);
> void intel_wm_state_verify(struct intel_crtc *crtc,
> struct intel_crtc_state *new_crtc_state);
>
> -void intel_enable_ipc(struct drm_i915_private *i915);
> -void intel_init_ipc(struct drm_i915_private *i915);
> +void skl_watermark_ipc_init(struct drm_i915_private *i915);
> +void skl_watermark_ipc_update(struct drm_i915_private *i915);
> +bool skl_watermark_ipc_enabled(struct drm_i915_private *i915);
>
> void skl_wm_init(struct drm_i915_private *i915);
>
> diff --git a/drivers/gpu/drm/i915/i915_driver.c
> b/drivers/gpu/drm/i915/i915_driver.c
> index 8262bfb2a2d9..c459eb362c47 100644
> --- a/drivers/gpu/drm/i915/i915_driver.c
> +++ b/drivers/gpu/drm/i915/i915_driver.c
> @@ -1756,7 +1756,7 @@ static int intel_runtime_resume(struct device *kdev)
> intel_hpd_poll_disable(dev_priv);
> }
>
> - intel_enable_ipc(dev_priv);
> + skl_watermark_ipc_update(dev_priv);
>
> enable_rpm_wakeref_asserts(rpm);
>
> --
> 2.34.1
--
Ville Syrjälä
Intel
