From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Bunch of variables are only needed inside loops and whatnot.
Move them to a tighter scope to make the code less confusing.

Also replace the 'unsigned int i' footguns with plain signed
ints.

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/drm_client_modeset.c | 33 +++++++++++++++-------------
 1 file changed, 18 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/drm_client_modeset.c 
b/drivers/gpu/drm/drm_client_modeset.c
index b82bb3119cb2..ccf5c9b5537b 100644
--- a/drivers/gpu/drm/drm_client_modeset.c
+++ b/drivers/gpu/drm/drm_client_modeset.c
@@ -73,9 +73,10 @@ int drm_client_modeset_create(struct drm_client_dev *client)
 static void drm_client_modeset_release(struct drm_client_dev *client)
 {
        struct drm_mode_set *modeset;
-       unsigned int i;
 
        drm_client_for_each_modeset(modeset, client) {
+               unsigned int i;
+
                drm_mode_destroy(client->dev, modeset->mode);
                modeset->mode = NULL;
                modeset->fb = NULL;
@@ -277,9 +278,8 @@ static bool drm_client_target_cloned(struct drm_device *dev,
                                     struct drm_client_offset offsets[],
                                     bool enabled[], int width, int height)
 {
-       int count, i, j;
+       int count, i;
        bool can_clone = false;
-       const struct drm_display_mode *mode;
        struct drm_display_mode *dmt_mode;
 
        /* only contemplate cloning in the single crtc case */
@@ -299,6 +299,8 @@ static bool drm_client_target_cloned(struct drm_device *dev,
        /* check the command line or if nothing common pick 1024x768 */
        can_clone = true;
        for (i = 0; i < connector_count; i++) {
+               int j;
+
                if (!enabled[i])
                        continue;
 
@@ -332,6 +334,8 @@ static bool drm_client_target_cloned(struct drm_device *dev,
                goto fail;
 
        for (i = 0; i < connector_count; i++) {
+               const struct drm_display_mode *mode;
+
                if (!enabled[i])
                        continue;
 
@@ -365,12 +369,12 @@ static int drm_client_get_tile_offsets(struct drm_device 
*dev,
                                       int idx,
                                       int h_idx, int v_idx)
 {
-       struct drm_connector *connector;
        int i;
        int hoffset = 0, voffset = 0;
 
        for (i = 0; i < connector_count; i++) {
-               connector = connectors[i];
+               struct drm_connector *connector = connectors[i];
+
                if (!connector->has_tile)
                        continue;
 
@@ -400,7 +404,6 @@ static bool drm_client_target_preferred(struct drm_device 
*dev,
                                        bool enabled[], int width, int height)
 {
        const u64 mask = BIT_ULL(connector_count) - 1;
-       struct drm_connector *connector;
        u64 conn_configured = 0;
        int tile_pass = 0;
        int num_tiled_conns = 0;
@@ -414,9 +417,9 @@ static bool drm_client_target_preferred(struct drm_device 
*dev,
 
 retry:
        for (i = 0; i < connector_count; i++) {
+               struct drm_connector *connector = connectors[i];
                const char *mode_type;
 
-               connector = connectors[i];
 
                if (conn_configured & BIT_ULL(i))
                        continue;
@@ -526,9 +529,8 @@ static int drm_client_pick_crtcs(struct drm_client_dev 
*client,
        struct drm_device *dev = client->dev;
        struct drm_connector *connector;
        int my_score, best_score, score;
-       struct drm_crtc **crtcs, *crtc;
+       struct drm_crtc **crtcs;
        struct drm_mode_set *modeset;
-       int o;
 
        if (n == connector_count)
                return 0;
@@ -558,7 +560,8 @@ static int drm_client_pick_crtcs(struct drm_client_dev 
*client,
         * remaining connectors
         */
        drm_client_for_each_modeset(modeset, client) {
-               crtc = modeset->crtc;
+               struct drm_crtc *crtc = modeset->crtc;
+               int o;
 
                if (!connector_has_possible_crtc(connector, crtc))
                        continue;
@@ -602,7 +605,7 @@ static bool drm_client_firmware_config(struct 
drm_client_dev *client,
        const int count = min_t(unsigned int, connector_count, BITS_PER_LONG);
        unsigned long conn_configured, conn_seq, mask;
        struct drm_device *dev = client->dev;
-       int i, j;
+       int i;
        bool *save_enabled;
        bool fallback = true, ret = true;
        int num_connectors_enabled = 0;
@@ -636,12 +639,11 @@ static bool drm_client_firmware_config(struct 
drm_client_dev *client,
 retry:
        conn_seq = conn_configured;
        for (i = 0; i < count; i++) {
-               struct drm_connector *connector;
+               struct drm_connector *connector = connectors[i];
                struct drm_encoder *encoder;
                struct drm_crtc *crtc;
                const char *mode_type;
-
-               connector = connectors[i];
+               int j;
 
                if (conn_configured & BIT(i))
                        continue;
@@ -1204,11 +1206,12 @@ static void drm_client_modeset_dpms_legacy(struct 
drm_client_dev *client, int dp
        struct drm_connector *connector;
        struct drm_mode_set *modeset;
        struct drm_modeset_acquire_ctx ctx;
-       int j;
        int ret;
 
        DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
        drm_client_for_each_modeset(modeset, client) {
+               int j;
+
                if (!modeset->crtc->enabled)
                        continue;
 
-- 
2.45.2

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