[ 3.8.y.z extended stable ] Patch "drm/i915: add HAS_DDI check" has been added to staging queue
Kamal Mostafa
kamal at canonical.com
Fri May 24 17:38:03 UTC 2013
This is a note to let you know that I have just added a patch titled
drm/i915: add HAS_DDI check
to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Kamal
------
>From d99994528e9946a78a505ca752fa3b73aa8c5a76 Mon Sep 17 00:00:00 2001
From: Paulo Zanoni <paulo.r.zanoni at intel.com>
Date: Fri, 23 Nov 2012 15:30:39 -0200
Subject: drm/i915: add HAS_DDI check
commit affa935440733a79c5a9eb0e5357e2564ca4b355 upstream.
And use it whenever we call code that uses the DDIs. We already have
intel_ddi.c and prefix every function with intel_ddi_something instead of
haswell_something, so I think replacing the checks with HAS_DDI makes more
sense. Just a cosmetical change, yes I know, but I have this OCD...
Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
Reviewed-by: Imre Deak <imre.deak at intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/intel_crt.c | 2 +-
drivers/gpu/drm/i915/intel_ddi.c | 2 +-
drivers/gpu/drm/i915/intel_display.c | 19 +++++++++----------
drivers/gpu/drm/i915/intel_dp.c | 8 ++++----
drivers/gpu/drm/i915/intel_hdmi.c | 4 ++--
6 files changed, 19 insertions(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e78419f..5f1fad3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1229,6 +1229,8 @@ struct drm_i915_file_private {
#define HAS_PIPE_CONTROL(dev) (INTEL_INFO(dev)->gen >= 5)
+#define HAS_DDI(dev) (IS_HASWELL(dev))
+
#define INTEL_PCH_DEVICE_ID_MASK 0xff00
#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 625b091..8ed7c30 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -770,7 +770,7 @@ void intel_crt_init(struct drm_device *dev)
crt->base.disable = intel_disable_crt;
crt->base.enable = intel_enable_crt;
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
crt->base.get_hw_state = intel_ddi_get_hw_state;
else
crt->base.get_hw_state = intel_crt_get_hw_state;
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 59b778d..debf25f 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -114,7 +114,7 @@ void intel_prepare_ddi(struct drm_device *dev)
{
int port;
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
for (port = PORT_A; port < PORT_E; port++)
intel_prepare_ddi_buffers(dev, port, false);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index faeaebc..e05d0ba 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1125,8 +1125,8 @@ static void assert_fdi_tx(struct drm_i915_private *dev_priv,
enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
pipe);
- if (IS_HASWELL(dev_priv->dev)) {
- /* On Haswell, DDI is used instead of FDI_TX_CTL */
+ if (HAS_DDI(dev_priv->dev)) {
+ /* DDI does not have a specific FDI_TX register */
reg = TRANS_DDI_FUNC_CTL(cpu_transcoder);
val = I915_READ(reg);
cur_state = !!(val & TRANS_DDI_FUNC_ENABLE);
@@ -1170,7 +1170,7 @@ static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv,
return;
/* On Haswell, DDI ports are responsible for the FDI PLL setup */
- if (IS_HASWELL(dev_priv->dev))
+ if (HAS_DDI(dev_priv->dev))
return;
reg = FDI_TX_CTL(pipe);
@@ -8316,7 +8316,7 @@ static const struct drm_crtc_funcs intel_crtc_funcs = {
static void intel_cpu_pll_init(struct drm_device *dev)
{
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
intel_ddi_pll_init(dev);
}
@@ -8452,11 +8452,10 @@ static void intel_setup_outputs(struct drm_device *dev)
I915_WRITE(PFIT_CONTROL, 0);
}
- if (!(IS_HASWELL(dev) &&
- (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES)))
+ if (!(HAS_DDI(dev) && (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES)))
intel_crt_init(dev);
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
int found;
/* Haswell uses DDI functions to detect digital outputs */
@@ -8716,7 +8715,7 @@ static void intel_init_display(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
/* We always want a DPMS function */
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
dev_priv->display.crtc_mode_set = haswell_crtc_mode_set;
dev_priv->display.crtc_enable = haswell_crtc_enable;
dev_priv->display.crtc_disable = haswell_crtc_disable;
@@ -9234,7 +9233,7 @@ void intel_modeset_setup_hw_state(struct drm_device *dev,
struct intel_encoder *encoder;
struct intel_connector *connector;
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP));
if (tmp & TRANS_DDI_FUNC_ENABLE) {
@@ -9275,7 +9274,7 @@ void intel_modeset_setup_hw_state(struct drm_device *dev,
crtc->active ? "enabled" : "disabled");
}
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
intel_ddi_setup_hw_pll_state(dev);
list_for_each_entry(encoder, &dev->mode_config.encoder_list,
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index cbe1ec3..616aaea 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -379,7 +379,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
* clock divider.
*/
if (is_cpu_edp(intel_dp)) {
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
aux_clock_divider = intel_ddi_get_cdclk_freq(dev_priv) >> 1;
else if (IS_VALLEYVIEW(dev))
aux_clock_divider = 100;
@@ -1801,7 +1801,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
int voltage_tries, loop_tries;
uint32_t DP = intel_dp->DP;
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
intel_ddi_prepare_link_retrain(encoder);
/* Write the link configuration data */
@@ -1991,7 +1991,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
* intel_ddi_prepare_link_retrain will take care of redoing the link
* train.
*/
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
return;
if (WARN_ON((I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0))
@@ -2762,7 +2762,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
intel_connector_attach_encoder(intel_connector, intel_encoder);
drm_sysfs_connector_add(connector);
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
else
intel_connector->get_hw_state = intel_connector_get_hw_state;
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 8246706..dccd859 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -48,7 +48,7 @@ assert_hdmi_port_disabled(struct intel_hdmi *intel_hdmi)
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t enabled_bits;
- enabled_bits = IS_HASWELL(dev) ? DDI_BUF_CTL_ENABLE : SDVO_ENABLE;
+ enabled_bits = HAS_DDI(dev) ? DDI_BUF_CTL_ENABLE : SDVO_ENABLE;
WARN(I915_READ(intel_hdmi->sdvox_reg) & enabled_bits,
"HDMI port enabled, expecting disabled\n");
@@ -989,7 +989,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
intel_hdmi->set_infoframes = cpt_set_infoframes;
}
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
else
intel_connector->get_hw_state = intel_connector_get_hw_state;
--
1.8.1.2
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