drm/gma500: remove trailing whitespaces

Remove trailing whitespaces.  No functional change.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210419081807.68000-2-krzysztof.kozlowski@canonical.com

drivers/gpu/drm/gma500/backlight.c

@@ -42,7 +42,7 @@ void gma_backlight_disable(struct drm_device *dev)
 		dev_priv->backlight_device->props.brightness = 0;
 		do_gma_backlight_set(dev);
 	}
-#endif	
+#endif
 }
 
 void gma_backlight_set(struct drm_device *dev, int v)
@@ -54,7 +54,7 @@ void gma_backlight_set(struct drm_device *dev, int v)
 		dev_priv->backlight_device->props.brightness = v;
 		do_gma_backlight_set(dev);
 	}
-#endif	
+#endif
 }
 
 int gma_backlight_init(struct drm_device *dev)

drivers/gpu/drm/gma500/cdv_intel_dp.c

@@ -245,7 +245,7 @@ i2c_dp_aux_add_bus(struct i2c_adapter *adapter)
                 if (W && !in_dbg_master()) msleep(W);                   \
         }                                                               \
         ret__;                                                          \
-})      
+})
 
 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
 
@@ -386,7 +386,7 @@ static void cdv_intel_edp_panel_vdd_on(struct gma_encoder *intel_encoder)
 	if (intel_dp->panel_on) {
 		DRM_DEBUG_KMS("Skip VDD on because of panel on\n");
 		return;
-	}	
+	}
 	DRM_DEBUG_KMS("\n");
 
 	pp = REG_READ(PP_CONTROL);
@@ -433,7 +433,7 @@ static bool cdv_intel_edp_panel_on(struct gma_encoder *intel_encoder)
 		DRM_DEBUG_KMS("Error in Powering up eDP panel, status %x\n", REG_READ(PP_STATUS));
 		intel_dp->panel_on = false;
 	} else
-		intel_dp->panel_on = true;	
+		intel_dp->panel_on = true;
 	msleep(intel_dp->panel_power_up_delay);
 
 	return false;
@@ -449,7 +449,7 @@ static void cdv_intel_edp_panel_off (struct gma_encoder *intel_encoder)
 
 	pp = REG_READ(PP_CONTROL);
 
-	if ((pp & POWER_TARGET_ON) == 0) 
+	if ((pp & POWER_TARGET_ON) == 0)
 		return;
 
 	intel_dp->panel_on = false;
@@ -464,7 +464,7 @@ static void cdv_intel_edp_panel_off (struct gma_encoder *intel_encoder)
 	DRM_DEBUG_KMS("PP_STATUS %x\n", REG_READ(PP_STATUS));
 
 	if (wait_for((REG_READ(PP_STATUS) & idle_off_mask) == 0, 1000)) {
-		DRM_DEBUG_KMS("Error in turning off Panel\n");	
+		DRM_DEBUG_KMS("Error in turning off Panel\n");
 	}
 
 	msleep(intel_dp->panel_power_cycle_delay);
@@ -535,7 +535,7 @@ cdv_intel_dp_mode_valid(struct drm_connector *connector,
 	    if (cdv_intel_dp_link_required(mode->clock, 24)
 	     	> cdv_intel_dp_max_data_rate(max_link_clock, max_lanes))
 		return MODE_CLOCK_HIGH;
-		
+
 	}
 	if (mode->clock < 10000)
 		return MODE_CLOCK_LOW;
@@ -606,7 +606,7 @@ cdv_intel_dp_aux_ch(struct gma_encoder *encoder,
 		for (i = 0; i < send_bytes; i += 4)
 			REG_WRITE(ch_data + i,
 				   pack_aux(send + i, send_bytes - i));
-	
+
 		/* Send the command and wait for it to complete */
 		REG_WRITE(ch_ctl,
 			   DP_AUX_CH_CTL_SEND_BUSY |
@@ -623,7 +623,7 @@ cdv_intel_dp_aux_ch(struct gma_encoder *encoder,
 				break;
 			udelay(100);
 		}
-	
+
 		/* Clear done status and any errors */
 		REG_WRITE(ch_ctl,
 			   status |
@@ -659,7 +659,7 @@ cdv_intel_dp_aux_ch(struct gma_encoder *encoder,
 		      DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT);
 	if (recv_bytes > recv_size)
 		recv_bytes = recv_size;
-	
+
 	for (i = 0; i < recv_bytes; i += 4)
 		unpack_aux(REG_READ(ch_data + i),
 			   recv + i, recv_bytes - i);
@@ -870,7 +870,7 @@ cdv_intel_dp_i2c_init(struct gma_connector *connector,
 	ret = i2c_dp_aux_add_bus(&intel_dp->adapter);
 	if (is_edp(encoder))
 		cdv_intel_edp_panel_vdd_off(encoder);
-	
+
 	return ret;
 }
 
@@ -1291,13 +1291,13 @@ cdv_intel_get_adjust_train(struct gma_encoder *encoder)
 		if (this_p > p)
 			p = this_p;
 	}
-	
+
 	if (v >= CDV_DP_VOLTAGE_MAX)
 		v = CDV_DP_VOLTAGE_MAX | DP_TRAIN_MAX_SWING_REACHED;
 
 	if (p == DP_TRAIN_PRE_EMPHASIS_MASK)
 		p |= DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
-		
+
 	for (lane = 0; lane < 4; lane++)
 		intel_dp->train_set[lane] = v | p;
 }
@@ -1358,7 +1358,6 @@ cdv_intel_dp_set_link_train(struct gma_encoder *encoder,
 			uint32_t dp_reg_value,
 			uint8_t dp_train_pat)
 {
-	
 	struct drm_device *dev = encoder->base.dev;
 	int ret;
 	struct cdv_intel_dp *intel_dp = encoder->dev_priv;
@@ -1384,7 +1383,6 @@ static bool
 cdv_intel_dplink_set_level(struct gma_encoder *encoder,
 			uint8_t dp_train_pat)
 {
-	
 	int ret;
 	struct cdv_intel_dp *intel_dp = encoder->dev_priv;
 
@@ -1462,7 +1460,7 @@ cdv_intel_dp_set_vswing_premph(struct gma_encoder *encoder, uint8_t signal_level
 	/* ;gfx_dpio_set_reg(0x8124, 0x00004000) */
 	index = 2 * premph + 1;
 	cdv_sb_write(dev, ddi_reg->PreEmph2, dp_vswing_premph_table[index]);
-	return;	
+	return;
 }
 
 
@@ -1481,8 +1479,8 @@ cdv_intel_dp_start_link_train(struct gma_encoder *encoder)
 
 	DP |= DP_PORT_EN;
 	DP &= ~DP_LINK_TRAIN_MASK;
-		
-	reg = DP;	
+
+	reg = DP;
 	reg |= DP_LINK_TRAIN_PAT_1;
 	/* Enable output, wait for it to become active */
 	REG_WRITE(intel_dp->output_reg, reg);
@@ -1556,7 +1554,7 @@ cdv_intel_dp_start_link_train(struct gma_encoder *encoder)
 	if (!clock_recovery) {
 		DRM_DEBUG_KMS("failure in DP patter 1 training, train set %x\n", intel_dp->train_set[0]);
 	}
-	
+
 	intel_dp->DP = DP;
 }
 
@@ -1747,7 +1745,7 @@ static int cdv_intel_dp_get_modes(struct drm_connector *connector)
 	if (is_edp(intel_encoder)) {
 		struct drm_device *dev = connector->dev;
 		struct drm_psb_private *dev_priv = dev->dev_private;
-		
+
 		cdv_intel_edp_panel_vdd_off(intel_encoder);
 		if (ret) {
 			if (edp && !intel_dp->panel_fixed_mode) {
@@ -1942,11 +1940,11 @@ static void cdv_disable_intel_clock_gating(struct drm_device *dev)
 			DPCUNIT_CLOCK_GATE_DISABLE |
 			DPLSUNIT_CLOCK_GATE_DISABLE |
 			DPOUNIT_CLOCK_GATE_DISABLE |
-		 	DPIOUNIT_CLOCK_GATE_DISABLE);	
+			DPIOUNIT_CLOCK_GATE_DISABLE);
 
 	REG_WRITE(DSPCLK_GATE_D, reg_value);
 
-	udelay(500);		
+	udelay(500);
 }
 
 void
@@ -1990,7 +1988,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev
 	gma_encoder->dev_priv=intel_dp;
 	intel_dp->encoder = gma_encoder;
 	intel_dp->output_reg = output_reg;
-	
+
 	drm_encoder_helper_add(encoder, &cdv_intel_dp_helper_funcs);
 	drm_connector_helper_add(connector, &cdv_intel_dp_connector_helper_funcs);
 
@@ -2027,7 +2025,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev
 		pp_on = REG_READ(PP_CONTROL);
 		pp_on &= ~PANEL_UNLOCK_MASK;
 	        pp_on |= PANEL_UNLOCK_REGS;
-		
+
 		REG_WRITE(PP_CONTROL, pp_on);
 
 		pwm_ctrl = REG_READ(BLC_PWM_CTL2);
@@ -2037,7 +2035,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev
                 pp_on = REG_READ(PP_ON_DELAYS);
                 pp_off = REG_READ(PP_OFF_DELAYS);
                 pp_div = REG_READ(PP_DIVISOR);
-	
+
 		/* Pull timing values out of registers */
                 cur.t1_t3 = (pp_on & PANEL_POWER_UP_DELAY_MASK) >>
                         PANEL_POWER_UP_DELAY_SHIFT;
@@ -2085,9 +2083,9 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev
 			goto err_connector;
 		} else {
         		DRM_DEBUG_KMS("DPCD: Rev=%x LN_Rate=%x LN_CNT=%x LN_DOWNSP=%x\n",
-				intel_dp->dpcd[0], intel_dp->dpcd[1], 
+				intel_dp->dpcd[0], intel_dp->dpcd[1],
 				intel_dp->dpcd[2], intel_dp->dpcd[3]);
-			
+
 		}
 		/* The CDV reference driver moves pnale backlight setup into the displays that
 		   have a backlight: this is a good idea and one we should probably adopt, however