From bdaf8439ba8176908b1b33e7db724f3de35ee0f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 17 Nov 2017 21:19:11 +0200
Subject: [PATCH] drm/i915: Use enum i9xx_plane_id for the .get_fifo_size() hooks
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Git-commit: bdaf8439ba8176908b1b33e7db724f3de35ee0f3
Patch-mainline: v4.16-rc1
References: FATE#322643 bsc#1055900
Replace the 0 and 1 with PLANE_A and PLANE_B in the pre-g4x wm code.
V2: s/old_plane_id/i9xx_plane_id/ (Daniel)
V3: s/plane/i9xx_plane/ etc. (James)
Cc: James Ausmus <james.ausmus@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171117191917.11506-5-ville.syrjala@linux.intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/i915_drv.h | 3 ++-
drivers/gpu/drm/i915/intel_pm.c | 36 +++++++++++++++++++-----------------
2 files changed, 21 insertions(+), 18 deletions(-)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -698,7 +698,8 @@ struct drm_i915_display_funcs {
struct intel_cdclk_state *cdclk_state);
void (*set_cdclk)(struct drm_i915_private *dev_priv,
const struct intel_cdclk_state *cdclk_state);
- int (*get_fifo_size)(struct drm_i915_private *dev_priv, int plane);
+ int (*get_fifo_size)(struct drm_i915_private *dev_priv,
+ enum i9xx_plane_id i9xx_plane);
int (*compute_pipe_wm)(struct intel_crtc_state *cstate);
int (*compute_intermediate_wm)(struct drm_device *dev,
struct intel_crtc *intel_crtc,
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -512,38 +512,41 @@ static void vlv_get_fifo_size(struct int
fifo_state->plane[PLANE_CURSOR] = 63;
}
-static int i9xx_get_fifo_size(struct drm_i915_private *dev_priv, int plane)
+static int i9xx_get_fifo_size(struct drm_i915_private *dev_priv,
+ enum i9xx_plane_id i9xx_plane)
{
uint32_t dsparb = I915_READ(DSPARB);
int size;
size = dsparb & 0x7f;
- if (plane)
+ if (i9xx_plane == PLANE_B)
size = ((dsparb >> DSPARB_CSTART_SHIFT) & 0x7f) - size;
- DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
- plane ? "B" : "A", size);
+ DRM_DEBUG_KMS("FIFO size - (0x%08x) %c: %d\n",
+ dsparb, plane_name(i9xx_plane), size);
return size;
}
-static int i830_get_fifo_size(struct drm_i915_private *dev_priv, int plane)
+static int i830_get_fifo_size(struct drm_i915_private *dev_priv,
+ enum i9xx_plane_id i9xx_plane)
{
uint32_t dsparb = I915_READ(DSPARB);
int size;
size = dsparb & 0x1ff;
- if (plane)
+ if (i9xx_plane == PLANE_B)
size = ((dsparb >> DSPARB_BEND_SHIFT) & 0x1ff) - size;
size >>= 1; /* Convert to cachelines */
- DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
- plane ? "B" : "A", size);
+ DRM_DEBUG_KMS("FIFO size - (0x%08x) %c: %d\n",
+ dsparb, plane_name(i9xx_plane), size);
return size;
}
-static int i845_get_fifo_size(struct drm_i915_private *dev_priv, int plane)
+static int i845_get_fifo_size(struct drm_i915_private *dev_priv,
+ enum i9xx_plane_id i9xx_plane)
{
uint32_t dsparb = I915_READ(DSPARB);
int size;
@@ -551,9 +554,8 @@ static int i845_get_fifo_size(struct drm
size = dsparb & 0x7f;
size >>= 2; /* Convert to cachelines */
- DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
- plane ? "B" : "A",
- size);
+ DRM_DEBUG_KMS("FIFO size - (0x%08x) %c: %d\n",
+ dsparb, plane_name(i9xx_plane), size);
return size;
}
@@ -2277,8 +2279,8 @@ static void i9xx_update_wm(struct intel_
else
wm_info = &i830_a_wm_info;
- fifo_size = dev_priv->display.get_fifo_size(dev_priv, 0);
- crtc = intel_get_crtc_for_plane(dev_priv, 0);
+ fifo_size = dev_priv->display.get_fifo_size(dev_priv, PLANE_A);
+ crtc = intel_get_crtc_for_plane(dev_priv, PLANE_A);
if (intel_crtc_active(crtc)) {
const struct drm_display_mode *adjusted_mode =
&crtc->config->base.adjusted_mode;
@@ -2304,8 +2306,8 @@ static void i9xx_update_wm(struct intel_
if (IS_GEN2(dev_priv))
wm_info = &i830_bc_wm_info;
- fifo_size = dev_priv->display.get_fifo_size(dev_priv, 1);
- crtc = intel_get_crtc_for_plane(dev_priv, 1);
+ fifo_size = dev_priv->display.get_fifo_size(dev_priv, PLANE_B);
+ crtc = intel_get_crtc_for_plane(dev_priv, PLANE_B);
if (intel_crtc_active(crtc)) {
const struct drm_display_mode *adjusted_mode =
&crtc->config->base.adjusted_mode;
@@ -2417,7 +2419,7 @@ static void i845_update_wm(struct intel_
adjusted_mode = &crtc->config->base.adjusted_mode;
planea_wm = intel_calculate_wm(adjusted_mode->crtc_clock,
&i845_wm_info,
- dev_priv->display.get_fifo_size(dev_priv, 0),
+ dev_priv->display.get_fifo_size(dev_priv, PLANE_A),
4, pessimal_latency_ns);
fwater_lo = I915_READ(FW_BLC) & ~0xfff;
fwater_lo |= (3<<8) | planea_wm;