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authorMika Kahola <mika.kahola@intel.com>2017-11-09 10:37:50 +0200
committerVille Syrjälä <ville.syrjala@linux.intel.com>2017-11-14 16:17:51 +0200
commit3657e92762c42b098cb7057ac86b1c7cd30336e5 (patch)
treedf172e6d993b117f947f7c2a197cdc2159adb6b8 /drivers/gpu/drm
parentdrm/i915/glk: Refactor handling of PLANE_COLOR_CTL for GLK+ (diff)
downloadlinux-dev-3657e92762c42b098cb7057ac86b1c7cd30336e5.tar.xz
linux-dev-3657e92762c42b098cb7057ac86b1c7cd30336e5.zip
drm/i915: Generalize transcoder looping
To make looping through transcoders in intel_ddi.c more generic, let's switch to use 'for_each_pipe()' macro to do this. v2: Add a notion that we are dealing with transcoders instead of pipes (Jani) Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Mika Kahola <mika.kahola@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1510216670-16848-1-git-send-email-mika.kahola@intel.com Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 65ab55496ab7..eff3b51872eb 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1681,8 +1681,8 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder,
struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
enum port port = encoder->port;
+ enum pipe p;
u32 tmp;
- int i;
bool ret;
if (!intel_display_power_get_if_enabled(dev_priv,
@@ -1717,15 +1717,17 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder,
goto out;
}
- for (i = TRANSCODER_A; i <= TRANSCODER_C; i++) {
- tmp = I915_READ(TRANS_DDI_FUNC_CTL(i));
+ for_each_pipe(dev_priv, p) {
+ enum transcoder cpu_transcoder = (enum transcoder) p;
+
+ tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
if ((tmp & TRANS_DDI_PORT_MASK) == TRANS_DDI_SELECT_PORT(port)) {
if ((tmp & TRANS_DDI_MODE_SELECT_MASK) ==
TRANS_DDI_MODE_SELECT_DP_MST)
goto out;
- *pipe = i;
+ *pipe = p;
ret = true;
goto out;