[PATCH 06/19] drm/i915/display: Simplify intel_joiner_num_pipes and its usage

[Ankit Nautiyal]

Currently intel_joiner_num_pipes is used to get num of pipes wrt num of
pipes joined. Simplify this by returning 1 when no joiner is used and
update the checks for no joiner case.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 486bade9e927..4751ee20216d 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -280,7 +280,7 @@ bool intel_crtc_is_joiner_primary(const struct intel_crtc_state *crtc_state)
 
 static int intel_joiner_num_pipes(const struct intel_crtc_state *crtc_state)
 {
-	return hweight8(crtc_state->joiner_pipes);
+	return hweight8(crtc_state->joiner_pipes) ?: 1;
 }
 
 u8 intel_crtc_joined_pipe_mask(const struct intel_crtc_state *crtc_state)
@@ -2347,7 +2347,7 @@ static void intel_joiner_adjust_timings(const struct intel_crtc_state *crtc_stat
 {
 	int num_pipes = intel_joiner_num_pipes(crtc_state);
 
-	if (num_pipes < 2)
+	if (num_pipes == 1)
 		return;
 
 	mode->crtc_clock /= num_pipes;
@@ -2409,7 +2409,7 @@ static void intel_crtc_readout_derived_state(struct intel_crtc_state *crtc_state
 	drm_mode_copy(mode, pipe_mode);
 	intel_mode_from_crtc_timings(mode, mode);
 	mode->hdisplay = drm_rect_width(&crtc_state->pipe_src) *
-		(intel_joiner_num_pipes(crtc_state) ?: 1);
+		intel_joiner_num_pipes(crtc_state);
 	mode->vdisplay = drm_rect_height(&crtc_state->pipe_src);
 
 	/* Derive per-pipe timings in case joiner is used */
@@ -2432,7 +2432,7 @@ static void intel_joiner_compute_pipe_src(struct intel_crtc_state *crtc_state)
 	int num_pipes = intel_joiner_num_pipes(crtc_state);
 	int width, height;
 
-	if (num_pipes < 2)
+	if (num_pipes == 1)
 		return;
 
 	width = drm_rect_width(&crtc_state->pipe_src);
@@ -2893,7 +2893,7 @@ static void intel_joiner_adjust_pipe_src(struct intel_crtc_state *crtc_state)
 	enum pipe primary_pipe, pipe = crtc->pipe;
 	int width;
 
-	if (num_pipes < 2)
+	if (num_pipes == 1)
 		return;
 
 	primary_pipe = joiner_primary_pipe(crtc_state);
-- 
2.45.2