drm/i915: prefer 3-letter acronym for pineview

We are currently using a mix of platform name and acronym to name the
functions. Let's prefer the acronym as it should be clear what platform
it's about and it's shorter, so it doesn't go over 80 columns in a few
cases. This converts pineview to pnv where appropriate.

v2: Add missing conversions in intel_pm.c (Matt Roper). While at it, fix
missing blank lines between structs that would otherwise trigger
checkpatch errors (Lucas)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Jani Nikula <jani.nikula@linux.intel.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191224084012.24241-2-lucas.demarchi@intel.com

drivers/gpu/drm/i915/display/intel_display.c

@@ -370,7 +370,7 @@ static const struct intel_limit intel_limits_g4x_dual_channel_lvds = {
 	},
 };
 
-static const struct intel_limit intel_limits_pineview_sdvo = {
+static const struct intel_limit pnv_limits_sdvo = {
 	.dot = { .min = 20000, .max = 400000},
 	.vco = { .min = 1700000, .max = 3500000 },
 	/* Pineview's Ncounter is a ring counter */
@@ -385,7 +385,7 @@ static const struct intel_limit intel_limits_pineview_sdvo = {
 		.p2_slow = 10, .p2_fast = 5 },
 };
 
-static const struct intel_limit intel_limits_pineview_lvds = {
+static const struct intel_limit pnv_limits_lvds = {
 	.dot = { .min = 20000, .max = 400000 },
 	.vco = { .min = 1700000, .max = 3500000 },
 	.n = { .min = 3, .max = 6 },
@@ -8779,9 +8779,9 @@ static int pnv_crtc_compute_clock(struct intel_crtc *crtc,
 			DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk);
 		}
 
-		limit = &intel_limits_pineview_lvds;
+		limit = &pnv_limits_lvds;
 	} else {
-		limit = &intel_limits_pineview_sdvo;
+		limit = &pnv_limits_sdvo;
 	}
 
 	if (!crtc_state->clock_set &&

drivers/gpu/drm/i915/intel_pm.c

@@ -140,7 +140,7 @@ static void glk_init_clock_gating(struct drm_i915_private *dev_priv)
 
 }
 
-static void i915_pineview_get_mem_freq(struct drm_i915_private *dev_priv)
+static void pnv_get_mem_freq(struct drm_i915_private *dev_priv)
 {
 	u32 tmp;
 
@@ -549,34 +549,38 @@ static int i845_get_fifo_size(struct drm_i915_private *dev_priv,
 }
 
 /* Pineview has different values for various configs */
-static const struct intel_watermark_params pineview_display_wm = {
+static const struct intel_watermark_params pnv_display_wm = {
 	.fifo_size = PINEVIEW_DISPLAY_FIFO,
 	.max_wm = PINEVIEW_MAX_WM,
 	.default_wm = PINEVIEW_DFT_WM,
 	.guard_size = PINEVIEW_GUARD_WM,
 	.cacheline_size = PINEVIEW_FIFO_LINE_SIZE,
 };
-static const struct intel_watermark_params pineview_display_hplloff_wm = {
+
+static const struct intel_watermark_params pnv_display_hplloff_wm = {
 	.fifo_size = PINEVIEW_DISPLAY_FIFO,
 	.max_wm = PINEVIEW_MAX_WM,
 	.default_wm = PINEVIEW_DFT_HPLLOFF_WM,
 	.guard_size = PINEVIEW_GUARD_WM,
 	.cacheline_size = PINEVIEW_FIFO_LINE_SIZE,
 };
-static const struct intel_watermark_params pineview_cursor_wm = {
+
+static const struct intel_watermark_params pnv_cursor_wm = {
 	.fifo_size = PINEVIEW_CURSOR_FIFO,
 	.max_wm = PINEVIEW_CURSOR_MAX_WM,
 	.default_wm = PINEVIEW_CURSOR_DFT_WM,
 	.guard_size = PINEVIEW_CURSOR_GUARD_WM,
 	.cacheline_size = PINEVIEW_FIFO_LINE_SIZE,
 };
-static const struct intel_watermark_params pineview_cursor_hplloff_wm = {
+
+static const struct intel_watermark_params pnv_cursor_hplloff_wm = {
 	.fifo_size = PINEVIEW_CURSOR_FIFO,
 	.max_wm = PINEVIEW_CURSOR_MAX_WM,
 	.default_wm = PINEVIEW_CURSOR_DFT_WM,
 	.guard_size = PINEVIEW_CURSOR_GUARD_WM,
 	.cacheline_size = PINEVIEW_FIFO_LINE_SIZE,
 };
+
 static const struct intel_watermark_params i965_cursor_wm_info = {
 	.fifo_size = I965_CURSOR_FIFO,
 	.max_wm = I965_CURSOR_MAX_WM,
@@ -584,6 +588,7 @@ static const struct intel_watermark_params i965_cursor_wm_info = {
 	.guard_size = 2,
 	.cacheline_size = I915_FIFO_LINE_SIZE,
 };
+
 static const struct intel_watermark_params i945_wm_info = {
 	.fifo_size = I945_FIFO_SIZE,
 	.max_wm = I915_MAX_WM,
@@ -591,6 +596,7 @@ static const struct intel_watermark_params i945_wm_info = {
 	.guard_size = 2,
 	.cacheline_size = I915_FIFO_LINE_SIZE,
 };
+
 static const struct intel_watermark_params i915_wm_info = {
 	.fifo_size = I915_FIFO_SIZE,
 	.max_wm = I915_MAX_WM,
@@ -598,6 +604,7 @@ static const struct intel_watermark_params i915_wm_info = {
 	.guard_size = 2,
 	.cacheline_size = I915_FIFO_LINE_SIZE,
 };
+
 static const struct intel_watermark_params i830_a_wm_info = {
 	.fifo_size = I855GM_FIFO_SIZE,
 	.max_wm = I915_MAX_WM,
@@ -605,6 +612,7 @@ static const struct intel_watermark_params i830_a_wm_info = {
 	.guard_size = 2,
 	.cacheline_size = I830_FIFO_LINE_SIZE,
 };
+
 static const struct intel_watermark_params i830_bc_wm_info = {
 	.fifo_size = I855GM_FIFO_SIZE,
 	.max_wm = I915_MAX_WM/2,
@@ -612,6 +620,7 @@ static const struct intel_watermark_params i830_bc_wm_info = {
 	.guard_size = 2,
 	.cacheline_size = I830_FIFO_LINE_SIZE,
 };
+
 static const struct intel_watermark_params i845_wm_info = {
 	.fifo_size = I830_FIFO_SIZE,
 	.max_wm = I915_MAX_WM,
@@ -848,7 +857,7 @@ static struct intel_crtc *single_enabled_crtc(struct drm_i915_private *dev_priv)
 	return enabled;
 }
 
-static void pineview_update_wm(struct intel_crtc *unused_crtc)
+static void pnv_update_wm(struct intel_crtc *unused_crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev);
 	struct intel_crtc *crtc;
@@ -876,8 +885,8 @@ static void pineview_update_wm(struct intel_crtc *unused_crtc)
 		int clock = adjusted_mode->crtc_clock;
 
 		/* Display SR */
-		wm = intel_calculate_wm(clock, &pineview_display_wm,
-					pineview_display_wm.fifo_size,
+		wm = intel_calculate_wm(clock, &pnv_display_wm,
+					pnv_display_wm.fifo_size,
 					cpp, latency->display_sr);
 		reg = I915_READ(DSPFW1);
 		reg &= ~DSPFW_SR_MASK;
@@ -886,8 +895,8 @@ static void pineview_update_wm(struct intel_crtc *unused_crtc)
 		DRM_DEBUG_KMS("DSPFW1 register is %x\n", reg);
 
 		/* cursor SR */
-		wm = intel_calculate_wm(clock, &pineview_cursor_wm,
-					pineview_display_wm.fifo_size,
+		wm = intel_calculate_wm(clock, &pnv_cursor_wm,
+					pnv_display_wm.fifo_size,
 					4, latency->cursor_sr);
 		reg = I915_READ(DSPFW3);
 		reg &= ~DSPFW_CURSOR_SR_MASK;
@@ -895,8 +904,8 @@ static void pineview_update_wm(struct intel_crtc *unused_crtc)
 		I915_WRITE(DSPFW3, reg);
 
 		/* Display HPLL off SR */
-		wm = intel_calculate_wm(clock, &pineview_display_hplloff_wm,
-					pineview_display_hplloff_wm.fifo_size,
+		wm = intel_calculate_wm(clock, &pnv_display_hplloff_wm,
+					pnv_display_hplloff_wm.fifo_size,
 					cpp, latency->display_hpll_disable);
 		reg = I915_READ(DSPFW3);
 		reg &= ~DSPFW_HPLL_SR_MASK;
@@ -904,8 +913,8 @@ static void pineview_update_wm(struct intel_crtc *unused_crtc)
 		I915_WRITE(DSPFW3, reg);
 
 		/* cursor HPLL off SR */
-		wm = intel_calculate_wm(clock, &pineview_cursor_hplloff_wm,
-					pineview_display_hplloff_wm.fifo_size,
+		wm = intel_calculate_wm(clock, &pnv_cursor_hplloff_wm,
+					pnv_display_hplloff_wm.fifo_size,
 					4, latency->cursor_hpll_disable);
 		reg = I915_READ(DSPFW3);
 		reg &= ~DSPFW_HPLL_CURSOR_MASK;
@@ -7192,7 +7201,7 @@ void intel_init_pm(struct drm_i915_private *dev_priv)
 {
 	/* For cxsr */
 	if (IS_PINEVIEW(dev_priv))
-		i915_pineview_get_mem_freq(dev_priv);
+		pnv_get_mem_freq(dev_priv);
 	else if (IS_GEN(dev_priv, 5))
 		i915_ironlake_get_mem_freq(dev_priv);
 
@@ -7250,7 +7259,7 @@ void intel_init_pm(struct drm_i915_private *dev_priv)
 			intel_set_memory_cxsr(dev_priv, false);
 			dev_priv->display.update_wm = NULL;
 		} else
-			dev_priv->display.update_wm = pineview_update_wm;
+			dev_priv->display.update_wm = pnv_update_wm;
 	} else if (IS_GEN(dev_priv, 4)) {
 		dev_priv->display.update_wm = i965_update_wm;
 	} else if (IS_GEN(dev_priv, 3)) {