This code is commented out until firmware is updated to
redirect LCD IRQ from MSSCPU to A53.
Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus@xxxxxxxxx>
Reviewed-by: Bob Paauwe <bob.j.paauwe@xxxxxxxxx>
---
drivers/gpu/drm/kmb/kmb_drv.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index 5192040..594e64c 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -29,12 +29,16 @@
#include "kmb_plane.h"
#include "kmb_regs.h"
+/*IRQ handler*/
+static irqreturn_t kmb_isr(int irq, void *arg);
+
static int kmb_load(struct drm_device *drm, unsigned long flags)
{
struct kmb_drm_private *dev_p = to_kmb(drm);
struct platform_device *pdev = to_platform_device(drm->dev);
/*struct resource *res;*/
/*u32 version;*/
+ /*int irq_lcd, irq_mipi; */
int ret;
/* TBD - not sure if clock_get needs to be called here */
@@ -85,6 +89,12 @@ static int kmb_load(struct drm_device *drm, unsigned long flags)
dev_p->msscam_mmio = ioremap_cache(MSS_CAM_BASE_ADDR,
MSS_CAM_MMIO_SIZE);
+ /*TODO - register irqs here - section 17.3 in databook
+ * lists LCD at 79 under MSS CPU - firmware has to redirect it to A53
+ * May be 33 for LCD and 34 for MIPI? Will wait till firmware
+ * finalizes the IRQ numbers for redirection
+ */
+
/*TBD read and check for correct product version here */
/* Get the optional framebuffer memory resource */
@@ -132,7 +142,7 @@ static void kmb_setup_mode_config(struct drm_device *drm)
drm->mode_config.funcs = &kmb_mode_config_funcs;
}
-static irqreturn_t kmb_irq(int irq, void *arg)
+static irqreturn_t kmb_isr(int irq, void *arg)
{
struct drm_device *dev = (struct drm_device *)arg;
unsigned long status, val;
@@ -178,8 +188,9 @@ DEFINE_DRM_GEM_CMA_FOPS(fops);
static struct drm_driver kmb_driver = {
.driver_features = DRIVER_GEM |
- DRIVER_MODESET | DRIVER_ATOMIC,
- .irq_handler = kmb_irq,
+ DRIVER_MODESET |
+ DRIVER_ATOMIC,
+ .irq_handler = kmb_isr,
.irq_preinstall = kmb_irq_reset,
.irq_uninstall = kmb_irq_reset,
.gem_free_object_unlocked = drm_gem_cma_free_object,
--
2.7.4
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