From 93831bd5a2c7e3bf909ce3fee599cb22c11e2993 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 3 Dec 2021 13:20:27 +0200
Subject: drm/i915: Nuke {pipe,plane}_to_crtc_mapping[]
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Git-commit: cbb8a7957108e96560c43953f70c377d8d9b6643
Patch-mainline: v5.17-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
These plane/pipe->crtc mapping arrays are rather pointless.
Get rid of them and just iterate the lists instead.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211203112029.1057-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_crtc.c | 44 ++++++++++-------------
drivers/gpu/drm/i915/display/intel_crtc.h | 1 -
drivers/gpu/drm/i915/display/intel_vdsc.c | 13 ++-----
drivers/gpu/drm/i915/i915_drv.h | 3 --
4 files changed, 20 insertions(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c
index 6930fbedc97d..8f9a9b5703b8 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc.c
+++ b/drivers/gpu/drm/i915/display/intel_crtc.c
@@ -36,14 +36,6 @@ static void assert_vblank_disabled(struct drm_crtc *crtc)
drm_crtc_vblank_put(crtc);
}
-bool intel_pipe_valid(struct drm_i915_private *i915, enum pipe pipe)
-{
- return (pipe >= 0 &&
- pipe < ARRAY_SIZE(i915->pipe_to_crtc_mapping) &&
- INTEL_INFO(i915)->pipe_mask & BIT(pipe) &&
- i915->pipe_to_crtc_mapping[pipe]);
-}
-
struct intel_crtc *intel_get_first_crtc(struct drm_i915_private *i915)
{
return to_intel_crtc(drm_crtc_from_index(&i915->drm, 0));
@@ -52,16 +44,28 @@ struct intel_crtc *intel_get_first_crtc(struct drm_i915_private *i915)
struct intel_crtc *intel_crtc_for_pipe(struct drm_i915_private *i915,
enum pipe pipe)
{
- /* pipe_to_crtc_mapping may have hole on any of 3 display pipe system */
- drm_WARN_ON(&i915->drm,
- !(INTEL_INFO(i915)->pipe_mask & BIT(pipe)));
- return i915->pipe_to_crtc_mapping[pipe];
+ struct intel_crtc *crtc;
+
+ for_each_intel_crtc(&i915->drm, crtc) {
+ if (crtc->pipe == pipe)
+ return crtc;
+ }
+
+ return NULL;
}
struct intel_crtc *intel_crtc_for_plane(struct drm_i915_private *i915,
- enum i9xx_plane_id plane)
+ enum i9xx_plane_id i9xx_plane)
{
- return i915->plane_to_crtc_mapping[plane];
+ struct intel_plane *plane;
+
+ for_each_intel_plane(&i915->drm, plane) {
+ if (plane->id == PLANE_PRIMARY &&
+ plane->i9xx_plane == i9xx_plane)
+ return intel_crtc_for_pipe(i915, plane->pipe);
+ }
+
+ return NULL;
}
void intel_crtc_wait_for_next_vblank(struct intel_crtc *crtc)
@@ -369,18 +373,6 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe)
if (ret)
goto fail;
- BUG_ON(pipe >= ARRAY_SIZE(dev_priv->pipe_to_crtc_mapping) ||
- dev_priv->pipe_to_crtc_mapping[pipe] != NULL);
- dev_priv->pipe_to_crtc_mapping[pipe] = crtc;
-
- if (DISPLAY_VER(dev_priv) < 9) {
- enum i9xx_plane_id i9xx_plane = primary->i9xx_plane;
-
- BUG_ON(i9xx_plane >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
- dev_priv->plane_to_crtc_mapping[i9xx_plane] != NULL);
- dev_priv->plane_to_crtc_mapping[i9xx_plane] = crtc;
- }
-
if (DISPLAY_VER(dev_priv) >= 11)
drm_crtc_create_scaling_filter_property(&crtc->base,
BIT(DRM_SCALING_FILTER_DEFAULT) |
diff --git a/drivers/gpu/drm/i915/display/intel_crtc.h b/drivers/gpu/drm/i915/display/intel_crtc.h
index 23110e91ecd6..4654f0eb65a2 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc.h
+++ b/drivers/gpu/drm/i915/display/intel_crtc.h
@@ -29,7 +29,6 @@ void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state);
void intel_pipe_update_start(struct intel_crtc_state *new_crtc_state);
void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state);
void intel_wait_for_vblank_workers(struct intel_atomic_state *state);
-bool intel_pipe_valid(struct drm_i915_private *i915, enum pipe pipe);
struct intel_crtc *intel_get_first_crtc(struct drm_i915_private *i915);
struct intel_crtc *intel_crtc_for_pipe(struct drm_i915_private *i915,
enum pipe pipe);
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 1cc4170e6ec8..9b05f93ed8bc 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -1112,25 +1112,16 @@ static i915_reg_t dss_ctl2_reg(struct intel_crtc *crtc, enum transcoder cpu_tran
ICL_PIPE_DSS_CTL2(crtc->pipe) : DSS_CTL2;
}
-static struct intel_crtc *
-_get_crtc_for_pipe(struct drm_i915_private *i915, enum pipe pipe)
-{
- if (!intel_pipe_valid(i915, pipe))
- return NULL;
-
- return intel_crtc_for_pipe(i915, pipe);
-}
-
struct intel_crtc *
intel_dsc_get_bigjoiner_secondary(const struct intel_crtc *primary_crtc)
{
- return _get_crtc_for_pipe(to_i915(primary_crtc->base.dev), primary_crtc->pipe + 1);
+ return intel_crtc_for_pipe(to_i915(primary_crtc->base.dev), primary_crtc->pipe + 1);
}
static struct intel_crtc *
intel_dsc_get_bigjoiner_primary(const struct intel_crtc *secondary_crtc)
{
- return _get_crtc_for_pipe(to_i915(secondary_crtc->base.dev), secondary_crtc->pipe - 1);
+ return intel_crtc_for_pipe(to_i915(secondary_crtc->base.dev), secondary_crtc->pipe - 1);
}
void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ae7dc7862b5d..e36aea6453c2 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -844,9 +844,6 @@ struct drm_i915_private {
/* Kernel Modesetting */
- struct intel_crtc *plane_to_crtc_mapping[I915_MAX_PIPES];
- struct intel_crtc *pipe_to_crtc_mapping[I915_MAX_PIPES];
-
/**
* dpll and cdclk state is protected by connection_mutex
* dpll.lock serializes intel_{prepare,enable,disable}_shared_dpll.
--
2.38.1