On Wed, Jul 8, 2015 at 8:50 PM, Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx> wrote:
Useful to avoid recompiling to enable/disable fbdev.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
Reviewed-by: Zhao Junwang <zhjwpku@xxxxxxxxx>
Bochs has the moduleparam for fbdev, lgtm.
---
drivers/gpu/drm/sti/Kconfig | 6 ------
drivers/gpu/drm/sti/sti_drm_drv.c | 13 ++++++++-----
2 files changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/sti/Kconfig b/drivers/gpu/drm/sti/Kconfig
index fbccc10..e3aa5af 100644
--- a/drivers/gpu/drm/sti/Kconfig
+++ b/drivers/gpu/drm/sti/Kconfig
@@ -9,9 +9,3 @@ config DRM_STI
select FW_LOADER_USER_HELPER_FALLBACK
help
Choose this option to enable DRM on STM stiH41x chipset
-
-config DRM_STI_FBDEV
- bool "DRM frame buffer device for STMicroelectronics SoC stiH41x Serie"
- depends on DRM_STI
- help
- Choose this option to enable FBDEV on top of DRM for STM stiH41x chipset
diff --git a/drivers/gpu/drm/sti/sti_drm_drv.c b/drivers/gpu/drm/sti/sti_drm_drv.c
index 59d558b..d0fb54a 100644
--- a/drivers/gpu/drm/sti/sti_drm_drv.c
+++ b/drivers/gpu/drm/sti/sti_drm_drv.c
@@ -30,6 +30,10 @@
#define STI_MAX_FB_HEIGHT 4096
#define STI_MAX_FB_WIDTH 4096
+static bool fbdev;
+MODULE_PARM_DESC(fbdev, "Enable fbdev compat layer");
+module_param(fbdev, bool, S_IRUGO | S_IWUSR);
+
static void sti_drm_atomic_schedule(struct sti_drm_private *private,
struct drm_atomic_state *state)
{
@@ -160,11 +164,10 @@ static int sti_drm_load(struct drm_device *dev, unsigned long flags)
drm_mode_config_reset(dev);
-#ifdef CONFIG_DRM_STI_FBDEV
- drm_fbdev_cma_init(dev, 32,
- dev->mode_config.num_crtc,
- dev->mode_config.num_connector);
-#endif
+ if (fbdev)
+ drm_fbdev_cma_init(dev, 32, dev->mode_config.num_crtc,
+ dev->mode_config.num_connector);
+
return 0;
}
--
1.9.1
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Best regards
Junwang Zhao
Microprocessor Research and Develop Center
Department of Computer Science &Technology
Peking University
Beijing, 100871, PRC
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