[RFC 2/3] drm/i915: Prefer IS_GEN<n> check with bitmask.

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Whenever possible we should stick with IS_GEN<n> checks.

Bitmaks has been introduced on commit ae7617f0ef18 ("drm/i915:
Allow optimized platform checks") for efficiency.

Let's stick with it whenever possible.

This patch was generated with coccinelle:

spatch -sp_file is_gen.cocci *{c,h} --in-place

is_gen.cocci:
@gen2@ expression e; @@
-INTEL_GEN(e) == 2
+IS_GEN2(e)
@gen3@ expression e; @@
-INTEL_GEN(e) == 3
+IS_GEN3(e)
@gen4@ expression e; @@
-INTEL_GEN(e) == 4
+IS_GEN4(e)
@gen5@ expression e; @@
-INTEL_GEN(e) == 5
+IS_GEN5(e)
@gen6@ expression e; @@
-INTEL_GEN(e) == 6
+IS_GEN6(e)
@gen7@ expression e; @@
-INTEL_GEN(e) == 7
+IS_GEN7(e)
@gen8@ expression e; @@
-INTEL_GEN(e) == 8
+IS_GEN8(e)
@gen9@ expression e; @@
-INTEL_GEN(e) == 9
+IS_GEN9(e)
@gen10@ expression e; @@
-INTEL_GEN(e) == 10
+IS_GEN10(e)
@gen11@ expression e; @@
-INTEL_GEN(e) == 11
+IS_GEN11(e)

Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_drv.c          | 2 +-
 drivers/gpu/drm/i915/intel_atomic.c      | 2 +-
 drivers/gpu/drm/i915/intel_device_info.c | 6 +++---
 drivers/gpu/drm/i915/intel_display.c     | 2 +-
 drivers/gpu/drm/i915/intel_dp.c          | 2 +-
 drivers/gpu/drm/i915/intel_engine_cs.c   | 2 +-
 drivers/gpu/drm/i915/intel_fbc.c         | 2 +-
 drivers/gpu/drm/i915/intel_pm.c          | 4 ++--
 drivers/gpu/drm/i915/intel_psr.c         | 2 +-
 drivers/gpu/drm/i915/intel_ringbuffer.h  | 4 ++--
 drivers/gpu/drm/i915/intel_sprite.c      | 2 +-
 11 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index baac35f698f9..d755e84fed07 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1329,7 +1329,7 @@ intel_get_dram_info(struct drm_i915_private *dev_priv)
 	/* Need to calculate bandwidth only for Gen9 */
 	if (IS_BROXTON(dev_priv))
 		ret = bxt_get_dram_info(dev_priv);
-	else if (INTEL_GEN(dev_priv) == 9)
+	else if (IS_GEN9(dev_priv))
 		ret = skl_get_dram_info(dev_priv);
 	else
 		ret = skl_dram_get_channels_info(dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index 760758ad21c1..3526f6d9c1ad 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -232,7 +232,7 @@ static void intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_sta
 	if (plane_state && plane_state->base.fb &&
 	    plane_state->base.fb->format->is_yuv &&
 	    plane_state->base.fb->format->num_planes > 1) {
-		if (INTEL_GEN(dev_priv) == 9 &&
+		if (IS_GEN9(dev_priv) &&
 		    !IS_GEMINILAKE(dev_priv))
 			mode = SKL_PS_SCALER_MODE_NV12;
 		else
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 03df4e33763d..561ad0d4a53d 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -744,7 +744,7 @@ void intel_device_info_runtime_init(struct intel_device_info *info)
 	if (INTEL_GEN(dev_priv) >= 10) {
 		for_each_pipe(dev_priv, pipe)
 			info->num_scalers[pipe] = 2;
-	} else if (INTEL_GEN(dev_priv) == 9) {
+	} else if (IS_GEN9(dev_priv)) {
 		info->num_scalers[PIPE_A] = 2;
 		info->num_scalers[PIPE_B] = 2;
 		info->num_scalers[PIPE_C] = 1;
@@ -843,9 +843,9 @@ void intel_device_info_runtime_init(struct intel_device_info *info)
 		cherryview_sseu_info_init(dev_priv);
 	else if (IS_BROADWELL(dev_priv))
 		broadwell_sseu_info_init(dev_priv);
-	else if (INTEL_GEN(dev_priv) == 9)
+	else if (IS_GEN9(dev_priv))
 		gen9_sseu_info_init(dev_priv);
-	else if (INTEL_GEN(dev_priv) == 10)
+	else if (IS_GEN10(dev_priv))
 		gen10_sseu_info_init(dev_priv);
 	else if (INTEL_GEN(dev_priv) >= 11)
 		gen11_sseu_info_init(dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index fc7e3b0bd95c..a6869c547f3c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5268,7 +5268,7 @@ static bool needs_nv12_wa(struct drm_i915_private *dev_priv,
 	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
 		return false;
 
-	if ((INTEL_GEN(dev_priv) == 9 && !IS_GEMINILAKE(dev_priv)) ||
+	if ((IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv)) ||
 	    IS_CANNONLAKE(dev_priv))
 		return true;
 
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 8c38efef77a1..761447c456c7 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -455,7 +455,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
 	if (INTEL_GEN(dev_priv) >= 10) {
 		source_rates = cnl_rates;
 		size = ARRAY_SIZE(cnl_rates);
-		if (INTEL_GEN(dev_priv) == 10)
+		if (IS_GEN10(dev_priv))
 			max_rate = cnl_max_source_rate(intel_dp);
 		else
 			max_rate = icl_max_source_rate(intel_dp);
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 65f6c9bc10cf..a4b1d82c89da 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -812,7 +812,7 @@ u32 intel_calculate_mcr_s_ss_select(struct drm_i915_private *dev_priv)
 	u32 slice = fls(sseu->slice_mask);
 	u32 subslice = fls(sseu->subslice_mask[slice]);
 
-	if (INTEL_GEN(dev_priv) == 10)
+	if (IS_GEN10(dev_priv))
 		mcr_s_ss_select = GEN8_MCR_SLICE(slice) |
 				  GEN8_MCR_SUBSLICE(subslice);
 	else if (INTEL_GEN(dev_priv) >= 11)
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index c90954cdfb15..96f70d896c10 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -84,7 +84,7 @@ static int intel_fbc_calculate_cfb_size(struct drm_i915_private *dev_priv,
 	int lines;
 
 	intel_fbc_get_plane_source_size(cache, NULL, &lines);
-	if (INTEL_GEN(dev_priv) == 7)
+	if (IS_GEN7(dev_priv))
 		lines = min(lines, 2048);
 	else if (INTEL_GEN(dev_priv) >= 8)
 		lines = min(lines, 2560);
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 67a4d0735291..3793866a9ee7 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4676,13 +4676,13 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
 			selected_result = method2;
 		} else if (ddb_allocation >=
 			 fixed16_to_u32_round_up(wp->plane_blocks_per_line)) {
-			if (INTEL_GEN(dev_priv) == 9 &&
+			if (IS_GEN9(dev_priv) &&
 			    !IS_GEMINILAKE(dev_priv))
 				selected_result = min_fixed16(method1, method2);
 			else
 				selected_result = method2;
 		} else if (latency >= wp->linetime_us) {
-			if (INTEL_GEN(dev_priv) == 9 &&
+			if (IS_GEN9(dev_priv) &&
 			    !IS_GEMINILAKE(dev_priv))
 				selected_result = min_fixed16(method1, method2);
 			else
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 423cdf84059c..bc2d88313ed0 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -574,7 +574,7 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
 	if (dev_priv->psr.psr2_enabled) {
 		u32 chicken = I915_READ(CHICKEN_TRANS(cpu_transcoder));
 
-		if (INTEL_GEN(dev_priv) == 9 && !IS_GEMINILAKE(dev_priv))
+		if (IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv))
 			chicken |= (PSR2_VSC_ENABLE_PROG_HEADER
 				   | PSR2_ADD_VERTICAL_LINE_COUNT);
 
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index f6ec48a75a69..d3a08d0f02fe 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -93,11 +93,11 @@ hangcheck_action_to_str(const enum intel_engine_hangcheck_action a)
 #define I915_MAX_SUBSLICES 8
 
 #define instdone_slice_mask(dev_priv__) \
-	(INTEL_GEN(dev_priv__) == 7 ? \
+	(IS_GEN7(dev_priv__) ? \
 	 1 : INTEL_INFO(dev_priv__)->sseu.slice_mask)
 
 #define instdone_subslice_mask(dev_priv__) \
-	(INTEL_GEN(dev_priv__) == 7 ? \
+	(IS_GEN7(dev_priv__) ? \
 	 1 : INTEL_INFO(dev_priv__)->sseu.subslice_mask[0])
 
 #define for_each_instdone_slice_subslice(dev_priv__, slice__, subslice__) \
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 7cd59eee5cad..4c9f0b7138b3 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1798,7 +1798,7 @@ static bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
 	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
 		return false;
 
-	if (INTEL_GEN(dev_priv) == 9 && !IS_GEMINILAKE(dev_priv) && pipe == PIPE_C)
+	if (IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv) && pipe == PIPE_C)
 		return false;
 
 	if (plane_id != PLANE_PRIMARY && plane_id != PLANE_SPRITE0)
-- 
2.19.1

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