Add a helper for checking if the DSI hardware version is greater
than or equal to a given version, for use in a future change.

Reviewed-by: Konrad Dybcio <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Signed-off-by: Alexander Koskovich <[email protected]>
---
 drivers/gpu/drm/msm/dsi/dsi_host.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c 
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index db6da99375a1..b55ffe2fdec3 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -782,13 +782,21 @@ static void dsi_ctrl_disable(struct msm_dsi_host 
*msm_host)
        dsi_write(msm_host, REG_DSI_CTRL, 0);
 }
 
+static bool msm_dsi_host_version_geq(struct msm_dsi_host *msm_host,
+                                   u32 major, u32 minor)
+{
+       return msm_host->cfg_hnd->major > major ||
+              (msm_host->cfg_hnd->major == major &&
+              msm_host->cfg_hnd->minor >= minor);
+}
+
 bool msm_dsi_host_is_wide_bus_enabled(struct mipi_dsi_host *host)
 {
        struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
 
        return msm_host->dsc &&
-               (msm_host->cfg_hnd->major == MSM_DSI_VER_MAJOR_6G &&
-                msm_host->cfg_hnd->minor >= MSM_DSI_6G_VER_MINOR_V2_5_0);
+               msm_dsi_host_version_geq(msm_host, MSM_DSI_VER_MAJOR_6G,
+                                       MSM_DSI_6G_VER_MINOR_V2_5_0);
 }
 
 static void dsi_ctrl_enable(struct msm_dsi_host *msm_host,

-- 
2.53.0


Reply via email to