1 files changed, 4 insertions, 10 deletions

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 47a7f0036478..649d20d29f92 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1093,7 +1093,6 @@ static int dsi_cmd_dma_rx(struct msm_dsi_host *msm_host,
 {
         u32 *lp, *temp, data;
         int i, j = 0, cnt;
-        bool ack_error = false;
         u32 read_cnt;
         u8 reg[16];
         int repeated_bytes = 0;
@@ -1105,15 +1104,10 @@ static int dsi_cmd_dma_rx(struct msm_dsi_host *msm_host,
         if (cnt > 4)
                 cnt = 4; /* 4 x 32 bits registers only */
 
-        /* Calculate real read data count */
-        read_cnt = dsi_read(msm_host, 0x1d4) >> 16;
-
-        ack_error = (rx_byte == 4) ?
-                (read_cnt == 8) : /* short pkt + 4-byte error pkt */
-                (read_cnt == (pkt_size + 6 + 4)); /* long pkt+4-byte error pkt*/
-
-        if (ack_error)
-                read_cnt -= 4; /* Remove 4 byte error pkt */
+        if (rx_byte == 4)
+                read_cnt = 4;
+        else
+                read_cnt = pkt_size + 6;
 
         /*
          * In case of multiple reads from the panel, after the first read, there