drm/radeon: remove boolean checks in if statements.

Remove unnecessary variable comparisions to true/false in if statements
and check the value of the variable directly.
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/cik_sdma.c

@@ -333,7 +333,7 @@ void cik_sdma_enable(struct radeon_device *rdev, bool enable)
 	u32 me_cntl, reg_offset;
 	int i;
 
-	if (enable == false) {
+	if (!enable) {
 		cik_sdma_gfx_stop(rdev);
 		cik_sdma_rlc_stop(rdev);
 	}

drivers/gpu/drm/radeon/r100.c

@@ -2815,7 +2815,7 @@ void r100_vga_set_state(struct radeon_device *rdev, bool state)
 	uint32_t temp;
 
 	temp = RREG32(RADEON_CONFIG_CNTL);
-	if (state == false) {
+	if (!state) {
 		temp &= ~RADEON_CFG_VGA_RAM_EN;
 		temp |= RADEON_CFG_VGA_IO_DIS;
 	} else {

drivers/gpu/drm/radeon/r600.c

@@ -3191,7 +3191,7 @@ void r600_vga_set_state(struct radeon_device *rdev, bool state)
 	uint32_t temp;
 
 	temp = RREG32(CONFIG_CNTL);
-	if (state == false) {
+	if (!state) {
 		temp &= ~(1<<0);
 		temp |= (1<<1);
 	} else {

drivers/gpu/drm/radeon/radeon_bios.c

@@ -664,17 +664,17 @@ bool radeon_get_bios(struct radeon_device *rdev)
 	uint16_t tmp;
 
 	r = radeon_atrm_get_bios(rdev);
-	if (r == false)
+	if (!r)
 		r = radeon_acpi_vfct_bios(rdev);
-	if (r == false)
+	if (!r)
 		r = igp_read_bios_from_vram(rdev);
-	if (r == false)
+	if (!r)
 		r = radeon_read_bios(rdev);
-	if (r == false)
+	if (!r)
 		r = radeon_read_disabled_bios(rdev);
-	if (r == false)
+	if (!r)
 		r = radeon_read_platform_bios(rdev);
-	if (r == false || rdev->bios == NULL) {
+	if (!r || rdev->bios == NULL) {
 		DRM_ERROR("Unable to locate a BIOS ROM\n");
 		rdev->bios = NULL;
 		return false;

drivers/gpu/drm/radeon/radeon_connectors.c

@@ -440,7 +440,7 @@ radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
 				if (radeon_conflict->use_digital)
 					continue;
 
-				if (priority == true) {
+				if (priority) {
 					DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
 						      conflict->name);
 					DRM_DEBUG_KMS("in favor of %s\n",
@@ -700,7 +700,7 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct
 			else
 				ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
 		}
-		if (val == 1 || ret == false) {
+		if (val == 1 || !ret) {
 			radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
 		}
 		radeon_property_change_mode(&radeon_encoder->base);

drivers/gpu/drm/radeon/radeon_display.c

@@ -847,11 +847,11 @@ static bool radeon_setup_enc_conn(struct drm_device *dev)
 	if (rdev->bios) {
 		if (rdev->is_atom_bios) {
 			ret = radeon_get_atom_connector_info_from_supported_devices_table(dev);
-			if (ret == false)
+			if (!ret)
 				ret = radeon_get_atom_connector_info_from_object_table(dev);
 		} else {
 			ret = radeon_get_legacy_connector_info_from_bios(dev);
-			if (ret == false)
+			if (!ret)
 				ret = radeon_get_legacy_connector_info_from_table(dev);
 		}
 	} else {

drivers/gpu/drm/radeon/radeon_legacy_encoders.c

@@ -1712,7 +1712,7 @@ static struct radeon_encoder_int_tmds *radeon_legacy_get_tmds_info(struct radeon
 	else
 		ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
 
-	if (ret == false)
+	if (!ret)
 		radeon_legacy_get_tmds_info_from_table(encoder, tmds);
 
 	return tmds;
@@ -1735,7 +1735,7 @@ static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct ra
 
 	ret = radeon_legacy_get_ext_tmds_info_from_combios(encoder, tmds);
 
-	if (ret == false)
+	if (!ret)
 		radeon_legacy_get_ext_tmds_info_from_table(encoder, tmds);
 
 	return tmds;

drivers/gpu/drm/radeon/radeon_pm.c

@@ -1789,7 +1789,7 @@ static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish
 	u32 stat_crtc = 0;
 	bool in_vbl = radeon_pm_in_vbl(rdev);
 
-	if (in_vbl == false)
+	if (!in_vbl)
 		DRM_DEBUG_DRIVER("not in vbl for pm change %08x at %s\n", stat_crtc,
 			 finish ? "exit" : "entry");
 	return in_vbl;