This code is commented out until firmware is updated to redirect LCD IRQ from MSSCPU to A53.
Signed-off-by: Anitha Chrisanthus anitha.chrisanthus@intel.com Reviewed-by: Bob Paauwe bob.j.paauwe@intel.com --- 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,