From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Check the pipe assignment for each plane (excluding plane C since the
kernel doesn't use that one) and pick the first one that's assigned to
the target pipe.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
tools/intel_display_poller.c | 26 +++++++++++++++++---------
1 file changed, 17 insertions(+), 9 deletions(-)
diff --git a/tools/intel_display_poller.c b/tools/intel_display_poller.c
index ec3e30e..8b66b53 100644
--- a/tools/intel_display_poller.c
+++ b/tools/intel_display_poller.c
@@ -88,6 +88,11 @@ static void write_reg(uint32_t reg, uint32_t val)
OUTREG(vlv_offset + reg, val);
}
+static char pipe_name(int pipe)
+{
+ return pipe + 'A';
+}
+
static int pipe_to_plane(uint32_t devid, int pipe)
{
if (!IS_GEN2(devid) && !IS_GEN3(devid))
@@ -95,13 +100,21 @@ static int pipe_to_plane(uint32_t devid, int pipe)
switch (pipe) {
case 0:
- if ((read_reg(DSPACNTR) & DISPPLANE_SEL_PIPE_MASK) == DISPPLANE_SEL_PIPE_B)
+ if ((read_reg(DSPACNTR) & DISPPLANE_SEL_PIPE_MASK) == DISPPLANE_SEL_PIPE_A)
+ return 0;
+ if ((read_reg(DSPBCNTR) & DISPPLANE_SEL_PIPE_MASK) == DISPPLANE_SEL_PIPE_A)
return 1;
- return 0;
+ fprintf(stderr, "no plane assigned to pipe %c, assuming %c\n",
+ pipe_name(pipe), pipe_name(pipe));
+ return pipe;
case 1:
- if ((read_reg(DSPACNTR) & DISPPLANE_SEL_PIPE_MASK) == DISPPLANE_SEL_PIPE_A)
+ if ((read_reg(DSPACNTR) & DISPPLANE_SEL_PIPE_MASK) == DISPPLANE_SEL_PIPE_B)
return 0;
- return 1;
+ if ((read_reg(DSPBCNTR) & DISPPLANE_SEL_PIPE_MASK) == DISPPLANE_SEL_PIPE_B)
+ return 1;
+ fprintf(stderr, "no plane assigned to pipe %c, assuming %c\n",
+ pipe_name(pipe), pipe_name(pipe));
+ return pipe;
}
assert(0);
@@ -886,11 +899,6 @@ static void poll_dsl_field(int pipe, uint32_t *min, uint32_t *max, const int cou
}
}
-static char pipe_name(int pipe)
-{
- return pipe + 'A';
-}
-
static const char *test_name(enum test test, int pipe, int bit, bool test_pixel_count)
{
static char str[32];
--
2.4.6
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