[Intel-gfx] [PATCH 04/11] drm/i915: Add for_each_connector_in_state helper macro

Ander Conselvan de Oliveira ander.conselvan.de.oliveira at intel.com
Fri Apr 10 01:38:33 PDT 2015


This saves some typing whenever a iteration over all the connector
states in the atomic state is written, which happens quite often.

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h      |  8 +++++
 drivers/gpu/drm/i915/intel_ddi.c     |  9 ++---
 drivers/gpu/drm/i915/intel_display.c | 65 ++++++++++--------------------------
 drivers/gpu/drm/i915/intel_dp_mst.c  | 12 +++----
 drivers/gpu/drm/i915/intel_hdmi.c    |  7 ++--
 5 files changed, 38 insertions(+), 63 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 78f31cb..e12bc5a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -264,6 +264,14 @@ enum hpd_pin {
 	for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++)	\
 		if ((1 << (domain)) & (mask))
 
+#define for_each_connector_in_state(state, connector, connector_state, __i) \
+	for ((__i) = 0;							\
+	     (connector) = to_intel_connector((state)->connectors[__i]), \
+	     (connector_state) = (state)->connector_states[__i],	\
+	     (__i) < (state)->num_connector;				\
+	     (__i)++)							\
+		if (connector)
+
 struct drm_i915_private;
 struct i915_mm_struct;
 struct i915_mmu_object;
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 486f6fa..2e005e3 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -496,18 +496,19 @@ intel_ddi_get_crtc_new_encoder(struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
 	struct intel_encoder *ret = NULL;
+	struct intel_connector *connector;
 	struct drm_atomic_state *state;
+	struct drm_connector_state *connector_state;
 	int num_encoders = 0;
 	int i;
 
 	state = crtc_state->base.state;
 
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i] ||
-		    state->connector_states[i]->crtc != crtc_state->base.crtc)
+	for_each_connector_in_state(state, connector, connector_state, i) {
+		if (connector_state->crtc != crtc_state->base.crtc)
 			continue;
 
-		ret = to_intel_encoder(state->connector_states[i]->best_encoder);
+		ret = to_intel_encoder(connector_state->best_encoder);
 		num_encoders++;
 	}
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 894788d..3035a3d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -437,13 +437,10 @@ static bool intel_pipe_will_have_type(const struct intel_crtc_state *crtc_state,
 	struct drm_atomic_state *state = crtc_state->base.state;
 	struct drm_connector_state *connector_state;
 	struct intel_encoder *encoder;
+	struct intel_connector *connector;
 	int i, num_connectors = 0;
 
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		connector_state = state->connector_states[i];
+	for_each_connector_in_state(state, connector, connector_state, i) {
 		if (connector_state->crtc != crtc_state->base.crtc)
 			continue;
 
@@ -6919,16 +6916,13 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
 	bool ok, has_reduced_clock = false;
 	bool is_lvds = false, is_dsi = false;
 	struct intel_encoder *encoder;
+	struct intel_connector *connector;
 	const intel_limit_t *limit;
 	struct drm_atomic_state *state = crtc_state->base.state;
 	struct drm_connector_state *connector_state;
 	int i;
 
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		connector_state = state->connector_states[i];
+	for_each_connector_in_state(state, connector, connector_state, i) {
 		if (connector_state->crtc != &crtc->base)
 			continue;
 
@@ -7614,14 +7608,11 @@ static int ironlake_get_refclk(struct intel_crtc_state *crtc_state)
 	struct drm_atomic_state *state = crtc_state->base.state;
 	struct drm_connector_state *connector_state;
 	struct intel_encoder *encoder;
+	struct intel_connector *connector;
 	int num_connectors = 0, i;
 	bool is_lvds = false;
 
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		connector_state = state->connector_states[i];
+	for_each_connector_in_state(state, connector, connector_state, i) {
 		if (connector_state->crtc != crtc_state->base.crtc)
 			continue;
 
@@ -7877,15 +7868,12 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
 	struct drm_atomic_state *state = crtc_state->base.state;
 	struct drm_connector_state *connector_state;
 	struct intel_encoder *encoder;
+	struct intel_connector *connector;
 	uint32_t dpll;
 	int factor, num_connectors = 0, i;
 	bool is_lvds = false, is_sdvo = false;
 
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		connector_state = state->connector_states[i];
+	for_each_connector_in_state(state, connector, connector_state, i) {
 		if (connector_state->crtc != crtc_state->base.crtc)
 			continue;
 
@@ -10522,6 +10510,7 @@ compute_baseline_pipe_bpp(struct intel_crtc *crtc,
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_atomic_state *state;
+	struct drm_connector_state *connector_state;
 	struct intel_connector *connector;
 	int bpp, i;
 
@@ -10566,12 +10555,8 @@ compute_baseline_pipe_bpp(struct intel_crtc *crtc,
 	state = pipe_config->base.state;
 
 	/* Clamp display bpp to EDID value */
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		connector = to_intel_connector(state->connectors[i]);
-		if (state->connector_states[i]->crtc != &crtc->base)
+	for_each_connector_in_state(state, connector, connector_state, i) {
+		if (connector_state->crtc != &crtc->base)
 			continue;
 
 		connected_sink_compute_bpp(connector, pipe_config);
@@ -10658,14 +10643,11 @@ static bool check_single_encoder_cloning(struct drm_atomic_state *state,
 					 struct intel_encoder *encoder)
 {
 	struct intel_encoder *source_encoder;
+	struct intel_connector *connector;
 	struct drm_connector_state *connector_state;
 	int i;
 
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		connector_state = state->connector_states[i];
+	for_each_connector_in_state(state, connector, connector_state, i) {
 		if (connector_state->crtc != &crtc->base)
 			continue;
 
@@ -10682,14 +10664,11 @@ static bool check_encoder_cloning(struct drm_atomic_state *state,
 				  struct intel_crtc *crtc)
 {
 	struct intel_encoder *encoder;
+	struct intel_connector *connector;
 	struct drm_connector_state *connector_state;
 	int i;
 
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		connector_state = state->connector_states[i];
+	for_each_connector_in_state(state, connector, connector_state, i) {
 		if (connector_state->crtc != &crtc->base)
 			continue;
 
@@ -10705,6 +10684,7 @@ static bool check_digital_port_conflicts(struct drm_atomic_state *state)
 {
 	struct drm_device *dev = state->dev;
 	struct intel_encoder *encoder;
+	struct intel_connector *connector;
 	struct drm_connector_state *connector_state;
 	unsigned int used_ports = 0;
 	int i;
@@ -10714,11 +10694,7 @@ static bool check_digital_port_conflicts(struct drm_atomic_state *state)
 	 * list to detect the problem on ddi platforms
 	 * where there's just one encoder per digital port.
 	 */
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		connector_state = state->connector_states[i];
+	for_each_connector_in_state(state, connector, connector_state, i) {
 		if (!connector_state->best_encoder)
 			continue;
 
@@ -10845,12 +10821,7 @@ encoder_retry:
 	 * adjust it according to limitations or connector properties, and also
 	 * a chance to reject the mode entirely.
 	 */
-	for (i = 0; i < state->num_connector; i++) {
-		connector = to_intel_connector(state->connectors[i]);
-		if (!connector)
-			continue;
-
-		connector_state = state->connector_states[i];
+	for_each_connector_in_state(state, connector, connector_state, i) {
 		if (connector_state->crtc != crtc)
 			continue;
 
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index 7335089..5561eca 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -40,7 +40,8 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder,
 	int bpp, i;
 	int lane_count, slots, rate;
 	struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
-	struct intel_connector *found = NULL;
+	struct intel_connector *connector, *found = NULL;
+	struct drm_connector_state *connector_state;
 	int mst_pbn;
 
 	pipe_config->dp_encoder_is_mst = true;
@@ -70,12 +71,9 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder,
 
 	state = pipe_config->base.state;
 
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		if (state->connector_states[i]->best_encoder == &encoder->base) {
-			found = to_intel_connector(state->connectors[i]);
+	for_each_connector_in_state(state, connector, connector_state, i) {
+		if (connector_state->best_encoder == &encoder->base) {
+			found = connector;
 			break;
 		}
 	}
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 02252d9..9d02746 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -956,6 +956,7 @@ static bool hdmi_12bpc_possible(struct intel_crtc_state *crtc_state)
 	struct drm_device *dev = crtc_state->base.crtc->dev;
 	struct drm_atomic_state *state;
 	struct intel_encoder *encoder;
+	struct intel_connector *connector;
 	struct drm_connector_state *connector_state;
 	int count = 0, count_hdmi = 0;
 	int i;
@@ -965,11 +966,7 @@ static bool hdmi_12bpc_possible(struct intel_crtc_state *crtc_state)
 
 	state = crtc_state->base.state;
 
-	for (i = 0; i < state->num_connector; i++) {
-		if (!state->connectors[i])
-			continue;
-
-		connector_state = state->connector_states[i];
+	for_each_connector_in_state(state, connector, connector_state, i) {
 		if (connector_state->crtc != crtc_state->base.crtc)
 			continue;
 
-- 
2.1.0



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