From 542f8a1134edabaafce7ac72ac9b1243be21a509 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 12 Nov 2019 18:38:12 +0200
Subject: drm/i915: Pass cpu transcoder to assert_pipe()
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Git-commit: b104e8b200974f9d1a431d1ce15f0e6d547dc859
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
In order to eliminate intel_pipe_to_cpu_transcoder() (and its
crtc->config usage) let's pass the cpu transcoder to
assert_pipe() so we don't have to do the pipe->cpu transcoder
lookup on HSW+.
On VLV/CHV this can get called during eDP init, which
happens before crtc->config->cpu_transcoder is even
populated. So currently we're always reading PIPECONF(A)
there even if we're trying to check the state of some
other pipe.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191112163812.22075-4-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_display.c | 36 ++++++++------------
drivers/gpu/drm/i915/display/intel_display.h | 9 +++--
2 files changed, 18 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 771a02199c28..7af7f488bd87 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -1045,14 +1045,6 @@ bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state,
NULL, best_clock);
}
-enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv,
- enum pipe pipe)
-{
- struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
-
- return crtc->config->cpu_transcoder;
-}
-
static bool pipe_scanline_is_moving(struct drm_i915_private *dev_priv,
enum pipe pipe)
{
@@ -1271,11 +1263,9 @@ void assert_panel_unlocked(struct drm_i915_private *dev_priv, enum pipe pipe)
}
void assert_pipe(struct drm_i915_private *dev_priv,
- enum pipe pipe, bool state)
+ enum transcoder cpu_transcoder, bool state)
{
bool cur_state;
- enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
- pipe);
enum intel_display_power_domain power_domain;
intel_wakeref_t wakeref;
@@ -1295,8 +1285,9 @@ void assert_pipe(struct drm_i915_private *dev_priv,
}
I915_STATE_WARN(cur_state != state,
- "pipe %c assertion failure (expected %s, current %s)\n",
- pipe_name(pipe), onoff(state), onoff(cur_state));
+ "transcoder %s assertion failure (expected %s, current %s)\n",
+ transcoder_name(cpu_transcoder),
+ onoff(state), onoff(cur_state));
}
static void assert_plane(struct intel_plane *plane, bool state)
@@ -1423,7 +1414,7 @@ static void vlv_enable_pll(struct intel_crtc *crtc,
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum pipe pipe = crtc->pipe;
- assert_pipe_disabled(dev_priv, pipe);
+ assert_pipe_disabled(dev_priv, pipe_config->cpu_transcoder);
/* PLL is protected by panel, make sure we can write it */
assert_panel_unlocked(dev_priv, pipe);
@@ -1472,7 +1463,7 @@ static void chv_enable_pll(struct intel_crtc *crtc,
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum pipe pipe = crtc->pipe;
- assert_pipe_disabled(dev_priv, pipe);
+ assert_pipe_disabled(dev_priv, pipe_config->cpu_transcoder);
/* PLL is protected by panel, make sure we can write it */
assert_panel_unlocked(dev_priv, pipe);
@@ -1519,7 +1510,7 @@ static void i9xx_enable_pll(struct intel_crtc *crtc,
u32 dpll = crtc_state->dpll_hw_state.dpll;
int i;
- assert_pipe_disabled(dev_priv, crtc->pipe);
+ assert_pipe_disabled(dev_priv, crtc_state->cpu_transcoder);
/* PLL is protected by panel, make sure we can write it */
if (i9xx_has_pps(dev_priv))
@@ -1568,7 +1559,7 @@ static void i9xx_disable_pll(const struct intel_crtc_state *crtc_state)
return;
/* Make sure the pipe isn't still relying on us */
- assert_pipe_disabled(dev_priv, pipe);
+ assert_pipe_disabled(dev_priv, crtc_state->cpu_transcoder);
I915_WRITE(DPLL(pipe), DPLL_VGA_MODE_DIS);
POSTING_READ(DPLL(pipe));
@@ -1579,7 +1570,7 @@ static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
u32 val;
/* Make sure the pipe isn't still relying on us */
- assert_pipe_disabled(dev_priv, pipe);
+ assert_pipe_disabled(dev_priv, (enum transcoder)pipe);
val = DPLL_INTEGRATED_REF_CLK_VLV |
DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS;
@@ -1596,7 +1587,7 @@ static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
u32 val;
/* Make sure the pipe isn't still relying on us */
- assert_pipe_disabled(dev_priv, pipe);
+ assert_pipe_disabled(dev_priv, (enum transcoder)pipe);
val = DPLL_SSC_REF_CLK_CHV |
DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS;
@@ -4655,7 +4646,7 @@ static void ironlake_fdi_link_train(struct intel_crtc *crtc,
u32 temp, tries;
/* FDI needs bits from pipe first */
- assert_pipe_enabled(dev_priv, pipe);
+ assert_pipe_enabled(dev_priv, crtc_state->cpu_transcoder);
/* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
for train result */
@@ -6788,7 +6779,7 @@ static void i9xx_pfit_enable(const struct intel_crtc_state *crtc_state)
* according to register description and PRM.
*/
WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE);
- assert_pipe_disabled(dev_priv, crtc->pipe);
+ assert_pipe_disabled(dev_priv, crtc_state->cpu_transcoder);
I915_WRITE(PFIT_PGM_RATIOS, crtc_state->gmch_pfit.pgm_ratios);
I915_WRITE(PFIT_CONTROL, crtc_state->gmch_pfit.control);
@@ -7094,7 +7085,7 @@ static void i9xx_pfit_disable(const struct intel_crtc_state *old_crtc_state)
if (!old_crtc_state->gmch_pfit.control)
return;
- assert_pipe_disabled(dev_priv, crtc->pipe);
+ assert_pipe_disabled(dev_priv, old_crtc_state->cpu_transcoder);
DRM_DEBUG_KMS("disabling pfit, current: 0x%08x\n",
I915_READ(PFIT_CONTROL));
@@ -8105,6 +8096,7 @@ int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe,
return -ENOMEM;
pipe_config->uapi.crtc = &crtc->base;
+ pipe_config->cpu_transcoder = (enum transcoder)pipe;
pipe_config->pixel_multiplier = 1;
pipe_config->dpll = *dpll;
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index c03a9675072f..327376810f66 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -517,8 +517,6 @@ enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv,
enum port port);
int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv,
- enum pipe pipe);
u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc);
int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp);
@@ -620,9 +618,10 @@ void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
enum pipe pipe, bool state);
#define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
#define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
-void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool state);
-#define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
-#define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
+void assert_pipe(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder, bool state);
+#define assert_pipe_enabled(d, t) assert_pipe(d, t, true)
+#define assert_pipe_disabled(d, t) assert_pipe(d, t, false)
/* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
* WARN_ON()) for hw state sanity checks to check for unexpected conditions
--
2.28.0