drm/i915: Fix DP_AUX_CH_CTL_TIME_OUT naming
Rename DP_AUX_CH_CTL_TIME_OUT_1600us to DP_AUX_CH_CTL_TIME_OUT_MAX, as
the meaning of the (3 << 26) value varies per platform, but it's always the
maximum timeout for that platform. Pre-CNL it means 1600us, and for CNL
it means 3200us.
v2:
-Split in to two patches (Rodrigo)
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: James Ausmus <james.ausmus@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171012213037.4245-1-james.ausmus@intel.com
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index d2d0a83..5f99d4d 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5242,7 +5242,7 @@ enum {
#define DP_AUX_CH_CTL_TIME_OUT_400us (0 << 26)
#define DP_AUX_CH_CTL_TIME_OUT_600us (1 << 26)
#define DP_AUX_CH_CTL_TIME_OUT_800us (2 << 26)
-#define DP_AUX_CH_CTL_TIME_OUT_1600us (3 << 26)
+#define DP_AUX_CH_CTL_TIME_OUT_MAX (3 << 26) /* Varies per platform */
#define DP_AUX_CH_CTL_TIME_OUT_MASK (3 << 26)
#define DP_AUX_CH_CTL_RECEIVE_ERROR (1 << 25)
#define DP_AUX_CH_CTL_MESSAGE_SIZE_MASK (0x1f << 20)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 7534042..3f0d37f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1032,7 +1032,7 @@ static uint32_t skl_get_aux_send_ctl(struct intel_dp *intel_dp,
DP_AUX_CH_CTL_DONE |
(has_aux_irq ? DP_AUX_CH_CTL_INTERRUPT : 0) |
DP_AUX_CH_CTL_TIME_OUT_ERROR |
- DP_AUX_CH_CTL_TIME_OUT_1600us |
+ DP_AUX_CH_CTL_TIME_OUT_MAX |
DP_AUX_CH_CTL_RECEIVE_ERROR |
(send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) |