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Sometime we need to communicate with HDMI monitor by sending audio or video
info frame, so we have to know monitor type. However if user utilize HDMI-DVI adapter to connect DVI monitor, hardware detection will incorrectly show the monitor is HDMI. HDMI spec tell us that any device containing IEEE registration Identifier will be treated as HDMI device. The patch intends to detect HDMI monitor by this rule.
Signed-off-by: Ma Ling <ling.ma@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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drm_open_helper() from drm_fops.c had a missing mutex_unlock in a error
path.
This was caught by smatch (http://repo.or.cz/w/smatch.git/). Compile
tested.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Usually drm read basic EDID, that is enough for us, but since igital display
were introduced i.e. HDMI monitor, sometime we need to interact with monitor by
EDID extension information,
EDID extensions include audio/video data block, speaker allocation and vendor specific data blocks.
This patch intends to read EDID extensions from digital monitor for users.
Signed-off-by: Ma Ling <ling.ma@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The kmalloc was taking up about 1.5% of the CPU on an ioctl-heavy workload
(x11perf -aa10text on 965). Initial results look like they have a
corresponding improvement in performance for aa10text, but more numbers might
not hurt.
Thanks to ajax for pointing out this performance regression I'd introduced
back in 2007.
[airlied: well I introduced it sneakily inside Eric's patch]
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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[airlied: cleaned up slightly for drm-next]
Signed-off-by: Maciej Cencora <m.cencora@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This produced a warning on my build, not sure why super-warning-man didn't
notice this one, its much worse than the %z one.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Conflicts:
drivers/gpu/drm/drm_info.c
drivers/gpu/drm/drm_proc.c
drivers/gpu/drm/i915/i915_gem_debugfs.c
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Conflicts:
arch/sparc/kernel/time_64.c
drivers/gpu/drm/drm_proc.c
Manual merge to resolve build warning due to phys_addr_t type change
on x86:
drivers/gpu/drm/drm_info.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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For the fifteen bazillionth time.
See also commits f06da264cfb0f9444d41ca247213e419f90aa72a and
aeb565dfc3ac4c8b47c5049085b4c7bfb2c7d5d7 ("i915: Fix more size_t format
string warnings" and "Fix annoying DRM_ERROR() string warning").
Grr-target: Eric Anholt <eric@anholt.net>
Grr-target: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update bdb_lvds_options structure according to its defination in
2D driver. Then we can parse and set 'lvds_dither' bit correctly
on non-965 chips.
Signed-off-by: Li Peng <peng.li@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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I've hit the occasional oops inside i915_wait_ring() with an indication of
a NULL derefence of dev->primary->master. Adding a NULL check is
consistent with the other potential users of dev->primary->master.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Check that the encoder has a real enabled crtc for TV detect, and fix
missing TV type setting after detect.
Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Fix TV control save register for untouched bits, and color
knobs different definition for 945 and 965 chips.
Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The get_modes hook must return the number of modes added. This also fixes
TV mode's clock calculation int overflow issue, and use 0.01 precision for
mode refresh validation.
Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This covers:
Use long crt hotplug activation time on GM45.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This covers:
Limit CRT DAC speed better.
and also clears the border color in case it's set to some garbage, which would
fix ugly outlines in the blank regions of the CRT.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
[anholt: replaced *drm_dev with *dev]
Signed-off-by: Eric Anholt <eric@anholt.net>
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This covers at least:
TV: subcarrier fix for NTSC and PAL
TV: fix timing parameters for PAL, 480p, 1080i
Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This is a G33-like desktop and mobile chipset.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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agp_chipset_flush() is for flushing the intel GMCH write cache via the
IFP, these two uses are for when we're getting the object into the cpu
READ domain, and thus should not be needed. This confused me when I was
getting my head around the code.
With thanks to airlied for helping me check my mental picture of how the
flushes and clflushes are supposed to be used.
Signed-off-by: Owain G. Ainsworth <oga@openbsd.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This was inspired by a patch by Chris Wilson, though none of it applied in any
way due to the debugfs work and I decided to change the formatting of the
new information anyway.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Here we eliminate a few functions in favor of using a single function
to dump from all of the object lists.
Signed-Off-By: Ben Gamari <bgamari@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Ben Gamari <bgamari@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The old mechanism to formatting proc files is extremely ugly. The
seq_file API was designed specifically for cases like this and greatly
simplifies the process.
Also, most of the files in /proc really don't belong there. This patch
introduces the infrastructure for putting these into debugfs and exposes
all of the proc files in debugfs as well.
Signed-off-by: Ben Gamari <bgamari@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
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This introduces allocation in the batch submission path that wasn't there
previously, but these are compatibility paths so we care about simplicity
more than performance.
kernel.org bug #12419.
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Like the GTT pwrite path fix, this uses an optimistic path and a
fallback to get_user_pages. Note that this means we have to stop using
vfs_write and roll it ourselves.
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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We've wanted this for a few consumers that touch the pages directly (such as
the following commit), which have been doing the refcounting outside of
get/put pages.
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Since the pagefault path determines that the lock order we use has to be
mmap_sem -> struct_mutex, we can't allow page faults to occur while the
struct_mutex is held. To fix this in pwrite, we first try optimistically to
see if we can copy from user without faulting. If it fails, fall back to
using get_user_pages to pin the user's memory, and map those pages
atomically when copying it to the GPU.
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This fixes incorrect detection of the second SDVO/HDMI output on G4X, and
extra boot time on pre-G4X.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This improves the PLL timings according to the suggestion of the hardware
engineers. This results in some outputs being able to sync that weren't
able to before.
This is part of fixing fd.o bug #17508.
Signed-off-by: Ma Ling <ling.ma@intel.com>
[anholt: cleaned up a couple of redundant comments]
Signed-off-by: Eric Anholt <eric@anholt.net>
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The values come from the internal reference spreadsheet on PLL
timing limits for the G4X chipsets.
Part of fixing fd.o bug #17508
Signed-off-by: Ma Ling <ling.ma@intel.com>
[anholt: Cleaned up some whitespace]
Signed-off-by: Eric Anholt <eric@anholt.net>
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Later spec investigation has revealed that every 9xx mobile part has
had this register in this format. Also, no non-mobile parts have been shown
to have this register. So make all mobile use the same code, and all
non-mobile use the hack 965 detection.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Conflicts:
arch/parisc/kernel/irq.c
arch/x86/include/asm/fixmap_64.h
arch/x86/include/asm/setup.h
kernel/irq/handle.c
Semantic merge:
arch/x86/include/asm/fixmap.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* 'bkl-removal' of git://git.lwn.net/linux-2.6:
Rationalize fasync return values
Move FASYNC bit handling to f_op->fasync()
Use f_lock to protect f_flags
Rename struct file->f_ep_lock
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Cc: airlied@linux.ie
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
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This fixes page table init on rs600.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Most fasync implementations do something like:
return fasync_helper(...);
But fasync_helper() will return a positive value at times - a feature used
in at least one place. Thus, a number of other drivers do:
err = fasync_helper(...);
if (err < 0)
return err;
return 0;
In the interests of consistency and more concise code, it makes sense to
map positive return values onto zero where ->fasync() is called.
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Signed-off-by: Dave Airlie <airlied@redhat.com>
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Until we sort out r600 IRQs don't do this.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This update was done in mainline radeon, but not in the r600.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This fixes 2 bugs:
1. the AGP calculation wasn't consistent with the PCI(E) calc for the
RPTR_ADDR registers. This consolidates the writes and fixes it up.
2. The scratch address was being incorrectly calculated, this breaks
it out into a lot more linear steps.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This fixes up the warnings in the debugfs code that conflicted
with the mapping fixups.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fix this sparse warning:
drivers/gpu/drm/radeon/r600_cp.c:1811:52: warning: Using plain integer as NULL pointer
drivers/gpu/drm/radeon/radeon_cp.c:1363:52: warning: Using plain integer as NULL pointer
drivers/gpu/drm/radeon/radeon_state.c:1983:61: warning: Using plain integer as NULL pointer
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This realigns the r600 pci mapping calls with the ati pcigart ones,
fixing the direction and using the correct interface.
Suggested by Jerome Glisse.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This calls the correct idle function for the R600 and previous chips.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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the checks weren't updated when RS600 support
was added.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Signed-off-by: Dave Airlie <airlied@redhat.com>
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