video: driver: Modify Min QP in CAP_TO_8BIT_QP macro

For HEVC 8 bit usecase, QP values are being capped
from [-11,51] to [1,51]. Modifying the same in
CAP_TO_8BIT_QP macro.

Change-Id: Id17fab4c62770140131f0f8454fc480090732d0b
Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com>

driver/vidc/inc/msm_vidc_internal.h

@@ -63,6 +63,8 @@
 #define MAX_SUPPORTED_MIN_QUALITY            70
 #define MIN_CHROMA_QP_OFFSET                -12
 #define MAX_CHROMA_QP_OFFSET                  0
+#define MIN_QP_10BIT                        -11
+#define MIN_QP_8BIT                           1
 #define INVALID_FD                           -1
 
 #define DCVS_WINDOW 16

driver/vidc/src/msm_vidc_control.c

@@ -15,8 +15,8 @@
 #include "msm_vidc_platform.h"
 
 #define CAP_TO_8BIT_QP(a) {          \
-	if ((a) < 0)                 \
-		(a) = 0;             \
+	if ((a) < MIN_QP_8BIT)                 \
+		(a) = MIN_QP_8BIT;             \
 }
 
 extern struct msm_vidc_core *g_core;