[PATCH 07/11] drm/vkms: rename get_lut_index() to get_uniform_lut_index()

In the next commits we'll add non-uniform LUTs, and this function will
be used exclusively by uniform LUTs. So rename it to make this clearer.

Signed-off-by: Leandro Ribeiro <[email protected]>
---
 drivers/gpu/drm/vkms/tests/vkms_color_test.c | 28 ++++++++++----------
 drivers/gpu/drm/vkms/vkms_composer.c         |  6 ++---
 drivers/gpu/drm/vkms/vkms_composer.h         |  2 +-
 3 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/vkms/tests/vkms_color_test.c b/drivers/gpu/drm/vkms/tests/vkms_color_test.c
index cfcd7e8e7640..bb9d84377b97 100644
--- a/drivers/gpu/drm/vkms/tests/vkms_color_test.c
+++ b/drivers/gpu/drm/vkms/tests/vkms_color_test.c
@@ -86,31 +86,31 @@ static const struct vkms_color_lut test_linear_lut = {
 	.channel_value2index_ratio = 0xf000fll
 };
 
-static void vkms_color_test_get_lut_index(struct kunit *test)
+static void vkms_color_test_get_uniform_lut_index(struct kunit *test)
 {
 	s64 lut_index;
 	int i;
 
-	lut_index = get_lut_index(&test_linear_lut, test_linear_array[0].red);
+	lut_index = get_uniform_lut_index(&test_linear_lut, test_linear_array[0].red);
 	KUNIT_EXPECT_EQ(test, drm_fixp2int(lut_index), 0);
 
 	for (i = 0; i < test_linear_lut.lut_length; i++) {
-		lut_index = get_lut_index(&test_linear_lut, test_linear_array[i].red);
+		lut_index = get_uniform_lut_index(&test_linear_lut, test_linear_array[i].red);
 		KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(lut_index), i);
 	}
 
-	KUNIT_EXPECT_EQ(test, drm_fixp2int(get_lut_index(&srgb_eotf, 0x0)), 0x0);
-	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0x0)), 0x0);
-	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0x101)), 0x1);
-	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0x202)), 0x2);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int(get_uniform_lut_index(&srgb_eotf, 0x0)), 0x0);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_uniform_lut_index(&srgb_eotf, 0x0)), 0x0);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_uniform_lut_index(&srgb_eotf, 0x101)), 0x1);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_uniform_lut_index(&srgb_eotf, 0x202)), 0x2);
 
-	KUNIT_EXPECT_EQ(test, drm_fixp2int(get_lut_index(&srgb_inv_eotf, 0x0)), 0x0);
-	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_inv_eotf, 0x0)), 0x0);
-	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_inv_eotf, 0x101)), 0x1);
-	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_inv_eotf, 0x202)), 0x2);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int(get_uniform_lut_index(&srgb_inv_eotf, 0x0)), 0x0);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_uniform_lut_index(&srgb_inv_eotf, 0x0)), 0x0);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_uniform_lut_index(&srgb_inv_eotf, 0x101)), 0x1);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_uniform_lut_index(&srgb_inv_eotf, 0x202)), 0x2);
 
-	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0xfefe)), 0xfe);
-	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0xffff)), 0xff);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_uniform_lut_index(&srgb_eotf, 0xfefe)), 0xfe);
+	KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_uniform_lut_index(&srgb_eotf, 0xffff)), 0xff);
 }
 
 static void vkms_color_test_lerp(struct kunit *test)
@@ -392,7 +392,7 @@ static void vkms_color_ctm_3x4_bt709(struct kunit *test)
 }
 
 static struct kunit_case vkms_color_test_cases[] = {
-	KUNIT_CASE(vkms_color_test_get_lut_index),
+	KUNIT_CASE(vkms_color_test_get_uniform_lut_index),
 	KUNIT_CASE(vkms_color_test_lerp),
 	KUNIT_CASE(vkms_color_test_linear),
 	KUNIT_CASE(vkms_color_srgb_inv_srgb),
diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c
index a022554e4b1a..1a5e899e5b4a 100644
--- a/drivers/gpu/drm/vkms/vkms_composer.c
+++ b/drivers/gpu/drm/vkms/vkms_composer.c
@@ -93,19 +93,19 @@ static inline u16 lut_channel_value(const struct drm_color_lut *lut,
 	return 0;
 }
 
-VISIBLE_IF_KUNIT s64 get_lut_index(const struct vkms_color_lut *lut, u16 channel_value)
+VISIBLE_IF_KUNIT s64 get_uniform_lut_index(const struct vkms_color_lut *lut, u16 channel_value)
 {
 	s64 color_channel_fp = drm_int2fixp(channel_value);
 
 	return drm_fixp_mul(color_channel_fp, lut->channel_value2index_ratio);
 }
-EXPORT_SYMBOL_IF_KUNIT(get_lut_index);
+EXPORT_SYMBOL_IF_KUNIT(get_uniform_lut_index);
 
 VISIBLE_IF_KUNIT u16 apply_lut_to_channel_value(const struct vkms_color_lut *lut, u16 channel_value,
 						enum lut_channel channel)
 {
 	const struct drm_color_lut *lut_y_floor, *lut_y_ceil;
-	s64 lut_index = get_lut_index(lut, channel_value);
+	s64 lut_index = get_uniform_lut_index(lut, channel_value);
 	u16 floor_channel_value, ceil_channel_value;
 
 	/*
diff --git a/drivers/gpu/drm/vkms/vkms_composer.h b/drivers/gpu/drm/vkms/vkms_composer.h
index 04dd5646f672..fa003af12f85 100644
--- a/drivers/gpu/drm/vkms/vkms_composer.h
+++ b/drivers/gpu/drm/vkms/vkms_composer.h
@@ -19,7 +19,7 @@ enum lut_channel {
 
 #if IS_ENABLED(CONFIG_KUNIT)
 u16 lerp_u16(u16 a, u16 b, s64 t);
-s64 get_lut_index(const struct vkms_color_lut *lut, u16 channel_value);
+s64 get_uniform_lut_index(const struct vkms_color_lut *lut, u16 channel_value);
 u16 apply_lut_to_channel_value(const struct vkms_color_lut *lut, u16 channel_value,
 			       enum lut_channel channel);
 void apply_3x4_matrix(struct pixel_argb_s32 *pixel, const struct drm_color_ctm_3x4 *matrix);
-- 
2.55.0