[Intel-gfx] [PATCH 03/16] drm/i915: Use standard form terminating condition for lane for loops

Ville Syrjala
2021-10-06T20:49:56Z

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Use <4 instead of <=3 as the terminating condition for the
loops over the 4 lanes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index d85d731e37fb..b0bd50383d57 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -1067,7 +1067,7 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder,

/* Program PORT_TX_DW4 */
/* We cannot write to GRP. It would overwrite individual loadgen. */
- for (ln = 0; ln <= 3; ln++) {
+ for (ln = 0; ln < 4; ln++) {
val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy));
val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
CURSOR_COEFF_MASK);
@@ -1114,7 +1114,7 @@ static void icl_combo_phy_set_signal_levels(struct intel_encoder *encoder,
* <= 6 GHz and 1,2 lanes (LN0=0, LN1=1, LN2=1, LN3=0)
* > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0)
*/
- for (ln = 0; ln <= 3; ln++) {
+ for (ln = 0; ln < 4; ln++) {
val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy));
val &= ~LOADGEN_SELECT;

--
2.32.0