From 1456394a2dfc37cf2e5ba735585c5ad4c42f314b Mon Sep 17 00:00:00 2001
From: Anshuman Gupta <anshuman.gupta@intel.com>
Date: Wed, 26 Feb 2020 22:05:17 +0530
Subject: drm/i915: Fix wrongly populated plane possible_crtcs bit mask
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 6875eb3ff5a37b73cd59bb6dcb6828ade1f62e66
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
As a disabled pipe in pipe_mask is not having a valid intel crtc,
driver wrongly populates the possible_crtcs mask while initializing
the plane for a CRTC. Fixing up the plane possible_crtcs mask.
changes since RFC:
- Simplify the possible_crtcs initialization. [Ville]
v2:
- Removed the unnecessary stack garbage possible_crtcs to
drm_universal_plane_init. [Ville]
v3:
- Combine the intel_crtc assignment and declaration. [Ville]
v4:
- Fix possible_crtcs abused bits from
intel_{primary,curosr,sprite}_plane_create(). [Ville]
Cc: Ville Syrj채l채 <ville.syrjala@linux.intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Ville Syrj채l채 <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226163517.31234-1-anshuman.gupta@intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_display.c | 25 +++++++++++++-------
drivers/gpu/drm/i915/display/intel_sprite.c | 10 ++------
2 files changed, 18 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index f7e4fce754b0..056f13e73069 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -16331,7 +16331,6 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
struct intel_plane *plane;
const struct drm_plane_funcs *plane_funcs;
unsigned int supported_rotations;
- unsigned int possible_crtcs;
const u32 *formats;
int num_formats;
int ret, zpos;
@@ -16412,18 +16411,16 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
plane->get_hw_state = i9xx_plane_get_hw_state;
plane->check_plane = i9xx_plane_check;
- possible_crtcs = BIT(pipe);
-
if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
- possible_crtcs, plane_funcs,
+ 0, plane_funcs,
formats, num_formats,
i9xx_format_modifiers,
DRM_PLANE_TYPE_PRIMARY,
"primary %c", pipe_name(pipe));
else
ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
- possible_crtcs, plane_funcs,
+ 0, plane_funcs,
formats, num_formats,
i9xx_format_modifiers,
DRM_PLANE_TYPE_PRIMARY,
@@ -16465,7 +16462,6 @@ static struct intel_plane *
intel_cursor_plane_create(struct drm_i915_private *dev_priv,
enum pipe pipe)
{
- unsigned int possible_crtcs;
struct intel_plane *cursor;
int ret, zpos;
@@ -16498,10 +16494,8 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv,
if (IS_I845G(dev_priv) || IS_I865G(dev_priv) || HAS_CUR_FBC(dev_priv))
cursor->cursor.size = ~0;
- possible_crtcs = BIT(pipe);
-
ret = drm_universal_plane_init(&dev_priv->drm, &cursor->base,
- possible_crtcs, &intel_cursor_plane_funcs,
+ 0, &intel_cursor_plane_funcs,
intel_cursor_formats,
ARRAY_SIZE(intel_cursor_formats),
cursor_format_modifiers,
@@ -16630,6 +16624,18 @@ static void intel_crtc_free(struct intel_crtc *crtc)
kfree(crtc);
}
+static void intel_plane_possible_crtcs_init(struct drm_i915_private *dev_priv)
+{
+ struct intel_plane *plane;
+
+ for_each_intel_plane(&dev_priv->drm, plane) {
+ struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv,
+ plane->pipe);
+
+ plane->base.possible_crtcs = drm_crtc_mask(&crtc->base);
+ }
+}
+
static int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe)
{
struct intel_plane *primary, *cursor;
@@ -17854,6 +17860,7 @@ int intel_modeset_init(struct drm_i915_private *i915)
}
}
+ intel_plane_possible_crtcs_init(i915);
intel_shared_dpll_init(dev);
intel_update_fdi_pll_freq(i915);
diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
index 22ad6dde46ce..db80367c0dbc 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -3031,7 +3031,6 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
struct intel_plane *plane;
enum drm_plane_type plane_type;
unsigned int supported_rotations;
- unsigned int possible_crtcs;
const u64 *modifiers;
const u32 *formats;
int num_formats;
@@ -3086,10 +3085,8 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
else
plane_type = DRM_PLANE_TYPE_OVERLAY;
- possible_crtcs = BIT(pipe);
-
ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
- possible_crtcs, plane_funcs,
+ 0, plane_funcs,
formats, num_formats, modifiers,
plane_type,
"plane %d%c", plane_id + 1,
@@ -3140,7 +3137,6 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
{
struct intel_plane *plane;
const struct drm_plane_funcs *plane_funcs;
- unsigned long possible_crtcs;
unsigned int supported_rotations;
const u64 *modifiers;
const u32 *formats;
@@ -3225,10 +3221,8 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
plane->id = PLANE_SPRITE0 + sprite;
plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane->id);
- possible_crtcs = BIT(pipe);
-
ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
- possible_crtcs, plane_funcs,
+ 0, plane_funcs,
formats, num_formats, modifiers,
DRM_PLANE_TYPE_OVERLAY,
"sprite %c", sprite_name(pipe, sprite));
--
2.28.0