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authorNoralf Trønnes <noralf@tronnes.org>2019-07-19 17:59:13 +0200
committerNoralf Trønnes <noralf@tronnes.org>2019-07-23 15:47:58 +0200
commitf729d8d9628d4093675abfd62d8d3a06d3d11732 (patch)
tree5015fdcb4b0e93a6fd9e69b6bd650559328a2e53
parentd23d4d4dac0119c7bfba63342a86a68b38c01779 (diff)
drm/tinydrm: Move tinydrm_machine_little_endian()
The tinydrm helper is going away so move it into the only user mipi-dbi. Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190719155916.62465-9-noralf@tronnes.org
-rw-r--r--drivers/gpu/drm/tinydrm/mipi-dbi.c15
-rw-r--r--include/drm/tinydrm/tinydrm-helpers.h15
2 files changed, 12 insertions, 18 deletions
diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c b/drivers/gpu/drm/tinydrm/mipi-dbi.c
index 6a8f2d66377f..73db287e5c52 100644
--- a/drivers/gpu/drm/tinydrm/mipi-dbi.c
+++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c
@@ -628,6 +628,15 @@ u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len)
}
EXPORT_SYMBOL(mipi_dbi_spi_cmd_max_speed);
+static bool mipi_dbi_machine_little_endian(void)
+{
+#if defined(__LITTLE_ENDIAN)
+ return true;
+#else
+ return false;
+#endif
+}
+
/*
* MIPI DBI Type C Option 1
*
@@ -650,7 +659,7 @@ static int mipi_dbi_spi1e_transfer(struct mipi_dbi *mipi, int dc,
const void *buf, size_t len,
unsigned int bpw)
{
- bool swap_bytes = (bpw == 16 && tinydrm_machine_little_endian());
+ bool swap_bytes = (bpw == 16 && mipi_dbi_machine_little_endian());
size_t chunk, max_chunk = mipi->tx_buf9_len;
struct spi_device *spi = mipi->spi;
struct spi_transfer tr = {
@@ -799,7 +808,7 @@ static int mipi_dbi_spi1_transfer(struct mipi_dbi *mipi, int dc,
size_t chunk = min(len, max_chunk);
unsigned int i;
- if (bpw == 16 && tinydrm_machine_little_endian()) {
+ if (bpw == 16 && mipi_dbi_machine_little_endian()) {
for (i = 0; i < (chunk * 2); i += 2) {
dst16[i] = *src16 >> 8;
dst16[i + 1] = *src16++ & 0xFF;
@@ -991,7 +1000,7 @@ int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *mipi,
if (dc) {
mipi->command = mipi_dbi_typec3_command;
mipi->dc = dc;
- if (tinydrm_machine_little_endian() && !spi_is_bpw_supported(spi, 16))
+ if (mipi_dbi_machine_little_endian() && !spi_is_bpw_supported(spi, 16))
mipi->swap_bytes = true;
} else {
mipi->command = mipi_dbi_typec1_command;
diff --git a/include/drm/tinydrm/tinydrm-helpers.h b/include/drm/tinydrm/tinydrm-helpers.h
index 8c5d20efeaa1..0e7470771c5e 100644
--- a/include/drm/tinydrm/tinydrm-helpers.h
+++ b/include/drm/tinydrm/tinydrm-helpers.h
@@ -15,21 +15,6 @@ struct drm_simple_display_pipe;
struct drm_simple_display_pipe_funcs;
struct device;
-/**
- * tinydrm_machine_little_endian - Machine is little endian
- *
- * Returns:
- * true if *defined(__LITTLE_ENDIAN)*, false otherwise
- */
-static inline bool tinydrm_machine_little_endian(void)
-{
-#if defined(__LITTLE_ENDIAN)
- return true;
-#else
- return false;
-#endif
-}
-
int tinydrm_display_pipe_init(struct drm_device *drm,
struct drm_simple_display_pipe *pipe,
const struct drm_simple_display_pipe_funcs *funcs,