ge2d: fix strechblit issue for GE2D [1/2]

PD#SWPL-4075

Problem:
dst data is not normal by using strechblit function
such as 1920x1080 --> 640x360

Solution:
add bit width restriction for
horizontal scaler initial phase

Verify:
verified on g12b-w400

Change-Id: Ibcd85cc08f49254e90100beb952e711736531134
Signed-off-by: Jian Cao <jian.cao@amlogic.com>

diff --git a/drivers/amlogic/media/common/ge2d/ge2d_hw.c b/drivers/amlogic/media/common/ge2d/ge2d_hw.c
index 85d5657..497fbf8 100644 (file)
--- a/drivers/amlogic/media/common/ge2d/ge2d_hw.c
+++ b/drivers/amlogic/media/common/ge2d/ge2d_hw.c
@@ -977,7 +977,7 @@ void ge2d_set_cmd(struct ge2d_cmd_s *cfg)
        ge2d_reg_write(GE2D_HSC_INI_CTRL,
                        (cfg->hsc_rpt_p0_num << 29) |
                        (cfg->hsc_adv_num << 24) |
-                       (cfg->hsc_ini_phase << 0)
+                       ((cfg->hsc_ini_phase & 0xffffff) << 0)
                       );
 #else
        ge2d_reg_write(GE2D_HSC_ADV_CTRL,
@@ -986,7 +986,7 @@ void ge2d_set_cmd(struct ge2d_cmd_s *cfg)
                       );
        ge2d_reg_write(GE2D_HSC_INI_CTRL,
                        (cfg->hsc_rpt_p0_num << 29) |
-                       (cfg->hsc_ini_phase << 0)
+                       ((cfg->hsc_ini_phase & 0xffffff) << 0)
                       );
 #endif