From patchwork Tue Apr 19 19:12:39 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 718801 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p3JJGH2F020879 for ; Tue, 19 Apr 2011 19:16:39 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A259F9EF03 for ; Tue, 19 Apr 2011 12:16:16 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from oproxy2-pub.bluehost.com (oproxy2-pub.bluehost.com [67.222.39.60]) by gabe.freedesktop.org (Postfix) with SMTP id B8C729EF11 for ; Tue, 19 Apr 2011 12:12:50 -0700 (PDT) Received: (qmail 19106 invoked by uid 0); 19 Apr 2011 19:12:50 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by oproxy2.bluehost.com with SMTP; 19 Apr 2011 19:12:50 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org; h=Received:From:To:Cc:Subject:Date:Message-Id:X-Mailer:In-Reply-To:References:X-Identified-User; b=kCeZbv0patq2+0I/XEa1EJR0hvSt/5jpvgsimzawtzoWrT3XSPpXKJ8vSd3fSbR0Zwz8J/tGQ6aIPgC6FZ35GsmBCXTz74pBrJjhOrJRbFpLR0HVf44Fy681nwTW1drb; Received: from c-67-161-37-189.hsd1.ca.comcast.net ([67.161.37.189] helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1QCGLu-0005JH-M7; Tue, 19 Apr 2011 13:12:46 -0600 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Tue, 19 Apr 2011 12:12:39 -0700 Message-Id: <1303240361-6057-6-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1303240361-6057-1-git-send-email-jbarnes@virtuousgeek.org> References: <1303240361-6057-1-git-send-email-jbarnes@virtuousgeek.org> X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.161.37.189 authed with jbarnes@virtuousgeek.org} Subject: [Intel-gfx] [PATCH 5/7] drm/i915: split out plane update code X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Tue, 19 Apr 2011 19:16:55 +0000 (UTC) Updating the planes is device specific, so create a new display callback and use it in pipe_set_base. (In fact we could go even further, valid display plane bits have changed with each generation, as has tiled buffer handling.) Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/i915_drv.h | 2 + drivers/gpu/drm/i915/intel_display.c | 107 +++++++++++++++++++++++++++++++--- 2 files changed, 100 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 7ee0ac8..04fe37e 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -208,6 +208,8 @@ struct drm_i915_display_funcs { struct drm_display_mode *adjusted_mode, int x, int y, struct drm_framebuffer *old_fb); + int (*update_plane)(struct drm_crtc *crtc, struct drm_framebuffer *fb, + int x, int y); /* clock updates for mode set */ /* cursor updates */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e81e418..b727d7f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1839,10 +1839,8 @@ err_interruptible: return ret; } -/* Assume fb object is pinned & idle & fenced and just update base pointers */ -static int -intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, - int x, int y, enum mode_set_atomic state) +static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb, + int x, int y) { struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; @@ -1885,7 +1883,7 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, dspcntr |= DISPPLANE_32BPP_NO_ALPHA; break; default: - DRM_ERROR("Unknown color depth\n"); + DRM_ERROR("Unknown color depth %d\n", fb->bits_per_pixel); return -EINVAL; } if (INTEL_INFO(dev)->gen >= 4) { @@ -1895,10 +1893,6 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, dspcntr &= ~DISPPLANE_TILED; } - if (HAS_PCH_SPLIT(dev)) - /* must disable */ - dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; - I915_WRITE(reg, dspcntr); Start = obj->gtt_offset; @@ -1915,6 +1909,99 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, I915_WRITE(DSPADDR(plane), Start + Offset); POSTING_READ(reg); + return 0; +} + +static int ironlake_update_plane(struct drm_crtc *crtc, + struct drm_framebuffer *fb, int x, int y) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_framebuffer *intel_fb; + struct drm_i915_gem_object *obj; + int plane = intel_crtc->plane; + unsigned long Start, Offset; + u32 dspcntr; + u32 reg; + + switch (plane) { + case 0: + case 1: + break; + default: + DRM_ERROR("Can't update plane %d in SAREA\n", plane); + return -EINVAL; + } + + intel_fb = to_intel_framebuffer(fb); + obj = intel_fb->obj; + + reg = DSPCNTR(plane); + dspcntr = I915_READ(reg); + /* Mask out pixel format bits in case we change it */ + dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; + switch (fb->bits_per_pixel) { + case 8: + dspcntr |= DISPPLANE_8BPP; + break; + case 16: + if (fb->depth != 16) + return -EINVAL; + + dspcntr |= DISPPLANE_16BPP; + break; + case 24: + case 32: + if (fb->depth == 24) + dspcntr |= DISPPLANE_32BPP_NO_ALPHA; + else if (fb->depth == 30) + dspcntr |= DISPPLANE_32BPP_30BIT_NO_ALPHA; + else + return -EINVAL; + break; + default: + DRM_ERROR("Unknown color depth %d\n", fb->bits_per_pixel); + return -EINVAL; + } + + if (obj->tiling_mode != I915_TILING_NONE) + dspcntr |= DISPPLANE_TILED; + else + dspcntr &= ~DISPPLANE_TILED; + + /* must disable */ + dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; + + I915_WRITE(reg, dspcntr); + + Start = obj->gtt_offset; + Offset = y * fb->pitch + x * (fb->bits_per_pixel / 8); + + DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n", + Start, Offset, x, y, fb->pitch); + I915_WRITE(DSPSTRIDE(plane), fb->pitch); + I915_WRITE(DSPSURF(plane), Start); + I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); + I915_WRITE(DSPADDR(plane), Offset); + POSTING_READ(reg); + + return 0; +} + +/* Assume fb object is pinned & idle & fenced and just update base pointers */ +static int +intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, + int x, int y, enum mode_set_atomic state) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + int ret; + + ret = dev_priv->display.update_plane(crtc, fb, x, y); + if (ret) + return ret; + intel_update_fbc(dev); intel_increase_pllclock(crtc); @@ -7346,9 +7433,11 @@ static void intel_init_display(struct drm_device *dev) if (HAS_PCH_SPLIT(dev)) { dev_priv->display.dpms = ironlake_crtc_dpms; dev_priv->display.crtc_mode_set = ironlake_crtc_mode_set; + dev_priv->display.update_plane = ironlake_update_plane; } else { dev_priv->display.dpms = i9xx_crtc_dpms; dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; + dev_priv->display.update_plane = i9xx_update_plane; } if (I915_HAS_FBC(dev)) {