From: Jakob Bornecrantz Date: Thu, 9 Feb 2012 15:56:46 +0000 (+0100) Subject: vmwgfx: Pick up the initial size from the width and height regs X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=eb4f923b1ceac8a618469c51ff249bd89bc0dfa4;p=linux-beck.git vmwgfx: Pick up the initial size from the width and height regs Signed-off-by: Jakob Bornecrantz Signed-off-by: Thomas Hellstrom Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 28f59a3c38d9..12272329d91b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -38,6 +38,10 @@ #define VMWGFX_CHIP_SVGAII 0 #define VMW_FB_RESERVATION 0 +#define VMW_MIN_INITIAL_WIDTH 800 +#define VMW_MIN_INITIAL_HEIGHT 600 + + /** * Fully encoded drm commands. Might move to vmw_drm.h */ @@ -387,6 +391,31 @@ void vmw_3d_resource_dec(struct vmw_private *dev_priv, BUG_ON(n3d < 0); } +/** + * Sets the initial_[width|height] fields on the given vmw_private. + * + * It does so by reading SVGA_REG_[WIDTH|HEIGHT] regs and then + * capping the value to fb_max_[width|height] fields and the + * VMW_MIN_INITIAL_[WIDTH|HEIGHT]. + */ +static void vmw_get_initial_size(struct vmw_private *dev_priv) +{ + uint32_t width; + uint32_t height; + + width = vmw_read(dev_priv, SVGA_REG_WIDTH); + height = vmw_read(dev_priv, SVGA_REG_HEIGHT); + + width = max_t(uint32_t, width, VMW_MIN_INITIAL_WIDTH); + width = min_t(uint32_t, width, dev_priv->fb_max_width); + + height = max_t(uint32_t, height, VMW_MIN_INITIAL_HEIGHT); + height = min_t(uint32_t, height, dev_priv->fb_max_height); + + dev_priv->initial_width = width; + dev_priv->initial_height = height; +} + static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) { struct vmw_private *dev_priv; @@ -441,6 +470,9 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE); dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH); dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT); + + vmw_get_initial_size(dev_priv); + if (dev_priv->capabilities & SVGA_CAP_GMR) { dev_priv->max_gmr_descriptors = vmw_read(dev_priv, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 14c2f49b21ea..28664156a1d8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -203,6 +203,8 @@ struct vmw_private { uint32_t mmio_size; uint32_t fb_max_width; uint32_t fb_max_height; + uint32_t initial_width; + uint32_t initial_height; __le32 __iomem *mmio_virt; int mmio_mtrr; uint32_t capabilities; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index 67f1d54b79b4..3c447bf317cb 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -414,10 +414,6 @@ int vmw_fb_init(struct vmw_private *vmw_priv) unsigned fb_bpp, fb_depth, fb_offset, fb_pitch, fb_size; int ret; - /* XXX These shouldn't be hardcoded. */ - initial_width = 800; - initial_height = 600; - fb_bpp = 32; fb_depth = 24; @@ -425,8 +421,8 @@ int vmw_fb_init(struct vmw_private *vmw_priv) fb_width = min(vmw_priv->fb_max_width, (unsigned)2048); fb_height = min(vmw_priv->fb_max_height, (unsigned)2048); - initial_width = min(fb_width, initial_width); - initial_height = min(fb_height, initial_height); + initial_width = min(vmw_priv->initial_width, fb_width); + initial_height = min(vmw_priv->initial_height, fb_height); fb_pitch = fb_width * fb_bpp / 8; fb_size = fb_pitch * fb_height; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index f77b184be807..070fb239c5af 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -354,8 +354,8 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) INIT_LIST_HEAD(&ldu->active); ldu->base.pref_active = (unit == 0); - ldu->base.pref_width = 800; - ldu->base.pref_height = 600; + ldu->base.pref_width = dev_priv->initial_width; + ldu->base.pref_height = dev_priv->initial_height; ldu->base.pref_mode = NULL; ldu->base.is_implicit = true; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index 97aca0bf94d0..6deaf2f8bab1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -449,8 +449,8 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) sou->active_implicit = false; sou->base.pref_active = (unit == 0); - sou->base.pref_width = 800; - sou->base.pref_height = 600; + sou->base.pref_width = dev_priv->initial_width; + sou->base.pref_height = dev_priv->initial_height; sou->base.pref_mode = NULL; sou->base.is_implicit = true;